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S-PLUS Clusters And Large-scale Environments (SCALE): I. A catalog of known clusters and groups in DR5 and a pilot study of Abell 4038

T0 review · 2 major / 5 minor · reviewed 2026-07-12 · grok-4.5

Pith's one-line read S-PLUS photo-zs recover cluster members and show that faint galaxies stay blue regardless of concentration.

desk verdict Solid SCALE infrastructure paper: usable 83-system catalog and photo-z validation; the A4038 concentration-color evolutionary claim is still single-system and multi-halo fragile. read the letter →

arxiv 2607.02704 v1 pith:JTWTBOYY submitted 2026-07-02 astro-ph.CO astro-ph.GA

classification astro-ph.COastro-ph.GA
keywords galaxyclustersgroupsphotometricredshiftsclustermembershiplarge-scalestructureevolutionS-PLUSAbell4038
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper launches SCALE by publishing a homogeneous catalog of 83 known nearby groups and clusters (0.008 ≤ z ≤ 0.1) with derived R200, M200, velocity dispersions, and spectroscopic memberships. It shows that S-PLUS 12-band photometric redshifts match literature spectroscopic redshifts closely enough that photometric membership works for systems and their outskirts. As a pilot, the authors apply Reliable Photometric Membership to Abell 4038, recovering hundreds of members (many faint and previously unobserved) and mapping about a dozen substructures within 10 R200, including the additional systems A4038B and A4049. Color–luminosity analysis then finds the expected redder-brighter trend, but concentration modulates it: low-concentration galaxies have a weaker color–luminosity slope, and the faintest galaxies are blue largely independent of concentration. The result is a public reference sample and a concrete demonstration that deep multi-band photo-zs open faint-galaxy studies of environmental processing out to several virial radii.

What carries the argument

Reliable Photometric Membership (RPM): a support-vector-machine classifier trained on spectroscopic members of the SCALE sample (excluding A4038) that uses S-PLUS colors, magnitudes, photo-zs, surface brightness and projected distance to assign membership probabilities, recovering faint members missed by spectroscopy.

What would settle it

Obtain substantially more spectroscopic redshifts for the RPM-selected A4038 candidates (especially the 124 new photometric members within 5 R200) and re-run the substructure and color–concentration tests; if many supposed members are interlopers or the concentration-dependent color slopes disappear, the membership and evolutionary claims fail.

Watch

Extended reading notes

Core claim

S-PLUS photometric redshifts agree well with spectroscopic redshifts for the 83 systems, enabling reliable photometric membership; applied to Abell 4038 this recovers new members and about a dozen substructures (including A4038B and A4049), while color–luminosity segregation weakens for low-concentration galaxies so that low-luminosity systems are blue largely independent of concentration, challenging a simple morphology–color dichotomy.

Load-bearing premise

The catalog and A4038 analysis rest on dynamical M200 and R200 from iterative shifting-gapper membership plus a velocity-dispersion–mass scaling that the paper itself reports can have tens-of-percent to factor-of-two uncertainties, especially for poorly sampled low-mass systems.

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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

2 major / 5 minor

Summary. The paper introduces SCALE and delivers a catalog of 83 known groups/clusters (0.008 ≤ z ≤ 0.1) in S-PLUS DR5 with iteratively derived σ_cl, R200, and M200 from literature spectroscopy via the shifting-gapper technique, plus a large membership table. It demonstrates that S-PLUS photo-zs match literature spec-zs well (small peak offsets s, σ_NMAD ≲ 1–3% by magnitude), applies the RPM algorithm to recover photometric members of Abell 4038, maps ~a dozen substructures (including A4038B and A4049) with 2D/3D methods, and reports a color–luminosity trend that is weaker for low-concentration (C ≤ 2.5) galaxies, with faint systems blue largely independent of C.

Significance. A homogeneous southern reference sample with public membership catalogs, photo-z validation, and multi-method substructure maps is useful for environmental studies and for planning spectroscopy (e.g. 4MOST/CHANCES). Strengths include deliberate exclusion of A4038 from RPM training, explicit photo-z vs. spec-z offset corrections, and an independent eROSITA mass check (median offset −0.03 dex, σ_MAD = 0.20 dex). The evolutionary claim that concentration modulates the color–magnitude relation and challenges a simple morphology–color dichotomy is interesting but rests on a single complex system; if confirmed on the full SCALE sample it would be a solid contribution to environmental quenching studies.

major comments (2)
  1. [Abstract; §4.3–4.6; Fig. 4, 6] The abstract and §4.5–4.6/Fig. 6 present the weaker color–luminosity slope for C ≤ 2.5 and the faint-end convergence as evidence for mass-dependent pathways that challenge a simple morphology–color dichotomy. That interpretation is drawn only from A4038 (420 RPM members inside 5 R200). Section 4.3 and Fig. 4 show three kinematically distinct systems (A4038, A4038B at |ΔV|/σ ~ 1.5–2, A4049 at R/R200 ~ 1.25). Photometric members assigned to “A4038” can therefore mix galaxies from different halos and dynamical states. The paper should either re-run the C-split analysis after excluding or separately tagging A4038B/A4049 members, or clearly reframe the result as a pilot finding for one multi-halo field rather than a general evolutionary claim.
  2. [§2; Appendix B; §4.4–4.5] All radial normalizations and the 5 R200 membership cut for A4038 use R200 from the iterative shifting-gapper + Ferragamo/Munari σ–M pipeline. Section 2 and Appendix B report median ΔM200/M200 ≃ 38% (and 70–140% for N200 < 10). For A4038 itself (N200 = 119) the mass is better constrained, but the absolute length scale remains uncertain. A short sensitivity test (re-binning colors/radii at R200 ± 20–30%, or quoting physical Mpc alongside R/R200) would show whether the C-split slopes and faint-end convergence are robust to that scale error.
minor comments (5)
  1. [§4.4] No k-corrections are applied to g−r (§4.4). The stated ~0.02 mag shift at z = 0.028 is small, but a one-sentence note that relative quintile ordering is unchanged (or a quick check with Chilingarian-style k-corrections) would close the point for absolute color comparisons.
  2. [§4.5] The C = 2.5 split is justified for dwarfs, but the text should state whether C is measured on S-PLUS or Legacy imaging and whether a seeing/PSF floor was applied beyond the Petrosian-radius argument for Q5.
  3. [Table 1; §3.2] Table 1 lists s for many systems but leaves blanks for others; a short note on when s could not be measured (too few members, multi-peaked distributions) would help users of the catalog.
  4. [Fig. 3] Figure 3 color coding is helpful; adding a brief legend or panel labels that map colors to the named substructures (A4038B, A4049, eastern group, etc.) would make the 2D/3D comparison easier to follow without the text.
  5. [§2; Table 1] For systems with M200 ≲ 10^13 M⊙ the paper already cautions that masses are highly uncertain; consider flagging those rows more visibly in Table 1 (e.g. a quality column) so the catalog is not over-interpreted.

Circularity Check

0 steps flagged · score 1.0 of 10

No load-bearing circularity: catalog masses, photo-z validation, RPM membership (trained excluding A4038), and A4038 trends are data-driven against external benchmarks; only routine method self-citations.

full rationale

The derivation chain is observational and non-circular. Spectroscopic members for the 83 systems are selected via the shifting-gapper technique on literature redshifts (Lima 2025 compilation), then M200/R200/sigma are obtained iteratively from the Ferragamo/Munari sigma-M scaling (external calibrations) and compared independently to eROSITA X-ray masses (Appendix B: median offset -0.03 dex, sigma_MAD=0.20 dex). Photo-z performance is quantified against the same external spec-zs (sigma_NMAD, bias, PIT, HPDCI in Fig. 1; peak offsets s measured and listed in Table 1, then applied). RPM photometric membership for A4038 is trained on the other SCALE systems while deliberately excluding A4038 galaxies, then validated for completeness/purity against held-out spectroscopic members. Substructure detection (DS+/mclust/CALSAGOS) and the color-luminosity-concentration trends (Figs. 5-6) are direct analyses of the resulting member catalogs; they do not redefine inputs as outputs. Overlapping-author citations (Lopes & Ribeiro 2020 for RPM; prior Lopes shifting-gapper papers) supply reusable tools, not uniqueness theorems or fitted parameters that force the central claims. Residual score of 1 reflects only that methodological scaffolding is partly self-cited, which is normal and non-load-bearing. No self-definitional loop, fitted-input-as-prediction, or ansatz smuggling is present.

Assumptions & free parameters 6 free parameters · 6 assumptions · 2 invented entities

The work rests on standard cosmology and published scaling relations plus several analysis choices (membership velocity window, concentration cut, RPM probability threshold, substructure multiplicity cuts). No new physical entities are postulated; free parameters are algorithmic thresholds and literature-calibrated scatter terms that affect membership and mass precision.

free parameters (6)
  • Initial membership velocity window Δz=±0.01667 (±5000 km/s)
    Hand-chosen large window used to preselect galaxies before shifting-gapper cleaning; affects interloper pool.
  • RPM membership probability threshold >70%
    Conservative cut that sets reported purity/completeness and the photometric member sample used for color analysis.
  • Concentration split C=2.5
    Adopted threshold separating low- and high-concentration populations; directly shapes the claimed weaker color-luminosity slope for extended galaxies.
  • Substructure Nmin (5 inside 5R200, 10 outside) and DS+ 90% confidence
    Multiplicity and significance cuts that determine which of the ~dozen substructures are retained.
  • Intrinsic σ–M scatter floor (~12% in σ from Munari et al.)
    Literature scatter term propagated into M200 uncertainties; sets a precision floor independent of Ngal.
  • NFW concentration c=4.5 for M500 o M200 conversion
    Fixed concentration assumed when comparing dynamical masses to eROSITA M500 values.
assumptions (6)
  • domain assumption Flat ΛCDM with ΩM=0.3, ΩΛ=0.7, H0=100h km/s/Mpc and h=0.7
    Stated cosmology used for distances, absolute magnitudes, and R200/M200.
  • domain assumption Velocity dispersion–mass scaling of Munari et al. (2013) with Ferragamo et al. (2020) corrections yields usable M200
    Core of the dynamical mass pipeline in Section 2; paper notes large errors at low N200.
  • domain assumption Shifting-gapper spectroscopic membership defines the truth sample for training/validation
    Used both for catalog members and as RPM training labels (excluding A4038).
  • domain assumption S-PLUS 12-band ML photo-zs are sufficiently accurate for membership after small per-cluster offsets
    Supported by metrics in Fig. 1 and histogram matches in Fig. 2; still an assumption at faint magnitudes and large radii.
  • domain assumption Gaussian mixture / density-based clustering components with chosen cuts correspond to physical substructures
    Underpins the ~dozen substructures reported around A4038.
  • ad hoc to paper Standard statistical tests (KS, ANOVA, Fisher z) on photometric samples are adequate without full k-corrections at z~0.028
    Authors argue k-correction ~0.02 mag is small relative to color range; absolute color comparisons deferred.
invented entities (2)
  • SCALE project / 83-system reference catalog independent evidence
    purpose: Homogeneous nearby cluster/group sample with derived dynamical properties and member lists for future S-PLUS environment studies
    Organizational product of the paper; not a new physical object, but the main delivered entity.
  • Abell 4038B (kinematically distinct central subsystem)
    purpose: Label a background-like component near A4038 with large line-of-sight velocity offset
    Identified via mclust/pdfCluster on the core; needs independent confirmation as a separate halo.

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Cite this review

Pith. "Pith review of S-PLUS Clusters And Large-scale Environments (SCALE): I. A catalog of known clusters and groups in DR5 and a pilot study of Abell 4038." pith.science (2026). https://pith.science/paper/JTWTBOYY

@misc{pith2026260702704,
  author       = {Pith},
  title        = {Pith review of: S-PLUS Clusters And Large-scale Environments (SCALE): I. A catalog of known clusters and groups in DR5 and a pilot study of Abell 4038},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/JTWTBOYY}},
  note         = {Machine review of arXiv:2607.02704}
}
abstract

Within the framework of the Southern Photometric Local Universe Survey (S-PLUS), we introduce ${\bf S}$-PLUS ${\bf C}$lusters ${\bf A}$nd ${\bf L}$arge-scale ${\bf E}$nvironments (SCALE), a project dedicated to the study of galaxy clusters, groups, and their environments using 12-band photometry of S-PLUS combined with spectroscopic and photometric data from the literature. In this first paper, we present a catalog of 83 previously known systems in the redshift range $0.008 \leq z_{\rm spec} \leq 0.1$, for which we derive $R_{200}$, $M_{200}$, and velocity dispersions. Spectroscopic members are selected and matched with S-PLUS photometric redshifts (photo-$z$s). We find very good agreement between literature spectroscopic redshifts (spec-$z$s) and S-PLUS photometric redshifts (photo-$z$s), demonstrating the potential of the latter for cluster and group membership determination. As a proof of concept, we obtain photometric memberships for Abell 4038 using the Reliable Photometric Membership technique. A two- and three-dimensional analysis of the region within $10 h^{-1}$ Mpc ($10\times R_{200}$) from the center of Abell 4038 reveals about a dozen substructures including two additional clusters within $1.3\times R_{200}$ (Abell 4038B and Abell 4049). A color-luminosity segregation analysis shows that more luminous (less luminous) galaxies are redder (bluer), as expected. Low-concentration galaxies ($C \leq 2.5$) exhibit a weaker color-luminosity dependence, compared to higher-concentration ones, indicating mass-dependent evolutionary pathways that challenge a simple morphology-color dichotomy, with low-luminosity galaxies presenting bluer colors largely independent of concentration. The SCALE catalog provides a valuable basis for future studies of large-scale structures and their connection to galaxy evolution.

Figures

Figures reproduced from arXiv: 2607.02704 by the authors.

Figure 1
Figure 1. Performance of the photo-z model. Panels (a) and (b) show the scatter and bias of the SPE metrics as a function of magnitude, and panels (e) and (f) as a function of spectroscopic redshift. Panels (c), (d), and (g) display the odds, PIT, and HPDCI metrics, respectively. Shaded regions represent 1σ uncertainties from bootstrap resampling. brightness (mu max g), and projected distance to the cluster center (dist mpc) … view at source ↗
Figure 2
Figure 2. Comparative redshift distributions for 10 clusters with 0.02 < z < 0.1. Blue histograms show spectroscopic members from Lima (2025). For each cluster, the left panel compares spectroscopic redshift (blue) and photo-z (orange), while the right panel shows the corrected photo-z distribution (pink) after applying the small shift s (listed in the last column of [PITH_FULL_IMAGE:figures/full_fig_p010_2.png] view at source ↗
Figure 3
Figure 3. Identification of galaxy substructures in the direction of A4038. The blue solid and dashed circles correspond to R200 and 5R200 of the cluster, respectively. Left panel: 3D phase-space substructures identified for A4038 using the spectroscopic sample and a combination of DS+ and mclust methods, as described in Section 4.1. Middle panel: 2D substructures recovered using CALSAGOS on the spectroscopic sample, as descr… view at source ↗
Figures from the paper (4 more)
Figure 4
Figure 4. Figure 4: Upper panel: Density contours in projected phase space around A4038 showing the 2D density distribution of all galaxies. Colored points and labels mark the three cluster centers identified by mclust (+BCGs) and pdfCluster. The overdensity located at |∆V |/σ = 2.2 and R…
Figure 5
Figure 5. Figure 5: Cumulative distribution functions (CDFs) of the g − r color (left panel) and the normalized projected radial distance, R/R200 (right panel), for galaxies grouped into five absolute magnitude quintiles: Q1 (brightest; red), Q2 (orange), Q3 (green), Q4 (blue), and Q5 (fa…
Figure 6
Figure 6. Figure 6: Upper panel: Behavior of g − r color (in units of magnitude) as a function of absolute r-band magnitude (Mr) for two galaxy populations divided by their concentration index (C). Galaxies with C ≤ 2.5 (blue line) are compared to those with C > 2.5 (red line). Lower pane…
Figure 7
Figure 7. Figure 7: Logarithmic mass ratio between dynamical mass estimates from the SCALE sample and eROSITA re-scaled masses (i.e., eROSITA M500 were converted to M200, to allow a comparison - see text for details). The ratio shows a small median offset of ∼ 0.03 dex, and σMAD = 0.20 de…

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Works this paper leans on

250 extracted references · 62 canonical work pages

  1. [1]

    , volume =

    Splashback in accreting dark matter halos. , volume =. 2014 , pages =

  2. [2]

    , volume =

    Probing Galaxy Evolution in Massive Clusters Using ACT and DES: Splashback as a Cosmic Clock. , volume =. 2021 , pages =

  3. [3]

    , keywords =

    The Sloan Digital Sky Survey Coadd: 275 deg ^ 2 of Deep Sloan Digital Sky Survey Imaging on Stripe 82. , keywords =. doi:10.1088/0004-637X/794/2/120 , archivePrefix =. 1111.6619 , primaryClass =

  4. [4]

    Journal of Statistical Software , volume=

    Clustering via nonparametric density estimation: The R package pdfCluster , author=. Journal of Statistical Software , volume=

  5. [5]

    A standardized catalogue of Fundamental Plane data , author=

    Streaming motions of galaxy clusters within 12 000 km s- 1—III. A standardized catalogue of Fundamental Plane data , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2001 , publisher=

  6. [6]

    Cut and Enhance

    Morphological Butcher--Oemler effect in the SDSS “Cut and Enhance” galaxy cluster catalog , author=. Publications of the Astronomical Society of Japan , volume=. 2003 , publisher=

  7. [7]

    Mass and environment as drivers of galaxy evolution. II. The quenching of satellite galaxies as the origin of environmental effects , author=. The Astrophysical Journal , volume=. 2012 , publisher=

  8. [8]

    and Saro, A

    Zenteno, A. and Saro, A. and Bocquet, S. and Bleem, L. and Hennig, C. and others , title =. Monthly Notices of the Royal Astronomical Society , volume =. 2020 , doi =

Show all 250 references
  1. [9]

    and Rykoff, E

    Palmese, A. and Rykoff, E. S. and Erickson, B. and Bleem, L. E. and Costanzi, M. and others , title =. The Astrophysical Journal , volume =. 2020 , doi =

  2. [10]

    The environmental dependence of the stellar mass function at z\

    van der Burg, Remco FJ and Muzzin, Adam and Hoekstra, Henk and Lidman, Chris and Rettura, Alessandro and Wilson, Gillian and Yee, HKC and Hildebrandt, Hendrik and Marchesini, Danilo and Stefanon, Mauro and others , journal=. The environmental dependence of the stellar mass fun...

  3. [11]

    The dependence of colour, star formation and morphology on halo mass , author=

    Properties of galaxy groups in the Sloan Digital Sky Survey—I. The dependence of colour, star formation and morphology on halo mass , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2006 , publisher=

  4. [12]

    Monthly Notices of the Royal Astronomical Society , volume=

    Galaxy Zoo: the dependence of morphology and colour on environment , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2009 , publisher=

  5. [13]

    A machine learning method and its performance in the local universe , author=

    Reliable photometric membership (RPM) of galaxies in clusters--I. A machine learning method and its performance in the local universe , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2020 , publisher=

  6. [14]

    I-The dynamics of Abell 98 , author=

    Galaxy clusters with multiple components. I-The dynamics of Abell 98 , author=. Astrophysical Journal, Part 1, vol. 257, June 1, 1982, p. 23-32. , volume=

  7. [15]

    Monthly Notices of the Royal Astronomical Society , volume=

    Dynamical analysis of the cluster pair: A3407+ A3408 , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2016 , publisher=

  8. [16]

    The Astrophysical Journal , volume=

    The dynamics of merging clusters: A monte carlo solution applied to the bullet and musket ball clusters , author=. The Astrophysical Journal , volume=. 2013 , publisher=

  9. [17]

    The Hercules cluster , author=

    Deep spectroscopy of nearby galaxy clusters--II. The Hercules cluster , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2017 , publisher=

  10. [18]

    , keywords =

    The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory. , keywords =. doi:10.3847/1538-4365/aa8992 , archivePrefix =. 1608.02013 , primaryClass =

  11. [19]

    , keywords =

    Contributions to the accreted stellar halo: an atlas of stellar deposition. , keywords =. doi:10.1093/mnras/stw2229 , archivePrefix =. 1511.08806 , primaryClass =

  12. [20]

    , keywords =

    Multiscale phenomenology of the cosmic web. , keywords =. doi:10.1111/j.1365-2966.2010.17263.x , archivePrefix =. 1007.0742 , primaryClass =

  13. [21]

    , keywords =

    THETHREEHUNDRED Project: ram pressure and gas content of haloes and subhaloes in the phase-space plane. , keywords =. doi:10.1093/mnras/stz212 , archivePrefix =. 1901.05969 , primaryClass =

  14. [22]

    2013 , month = oct, journal =

    Astropy:. 2013 , month = oct, journal =. doi:10.1051/0004-6361/201322068 , urldate =

  15. [23]

    , keywords =

    Why does the environmental influence on group and cluster galaxies extend beyond the virial radius?. , keywords =. doi:10.1093/mnras/stt109 , archivePrefix =. 1210.8407 , primaryClass =

  16. [24]

    , keywords =

    Classification parameters for the emission-line spectra of extragalactic objects. , keywords =. doi:10.1086/130766 , adsurl =

  17. [25]

    , volume =

    Mergers and Mass Accretion for Infalling Halos Both End Well Outside Cluster Virial Radii. , volume =. 2014 , pages =

  18. [26]

    The Astrophysical Journal , volume=

    Locations and Morphologies of Jellyfish Galaxies in A2744 and A370 , author=. The Astrophysical Journal , volume=. 2022 , publisher=

  19. [27]

    , volume=

    DS+: A method for the identification of cluster substructures , author=. , volume=. 2023 , publisher=

  20. [28]

    , keywords =

    Bayesian Photometric Redshift Estimation. , keywords =. doi:10.1086/308947 , archivePrefix =. astro-ph/9811189 , primaryClass =

  21. [29]

    , keywords =

    Self-similar secondary infall and accretion in an Einstein-de Sitter universe. , keywords =. doi:10.1086/191028 , adsurl =

  22. [30]

    , keywords =

    LoCuSS: pre-processing in galaxy groups falling into massive galaxy clusters at z = 0.2. , keywords =. doi:10.1093/mnrasl/slx167 , archivePrefix =. 1710.04230 , primaryClass =

  23. [31]

    , volume=

    The concentration--mass relation of clusters of galaxies from the OmegaWINGS survey , author=. , volume=. 2017 , publisher=

  24. [32]

    , keywords =

    Evidence for ram-pressure stripping in a cluster of galaxies at z = 0.7. , keywords =. doi:10.1051/0004-6361/201936133 , archivePrefix =. 1909.05491 , primaryClass =

  25. [33]

    , keywords =

    Satellite accretion on to massive galaxies with central black holes. , keywords =. doi:10.1111/j.1365-2966.2006.11276.x , archivePrefix =. astro-ph/0608122 , primaryClass =

  26. [34]

    , keywords =

    EAZY: A Fast, Public Photometric Redshift Code. , keywords =. doi:10.1086/591786 , archivePrefix =. 0807.1533 , primaryClass =

  27. [35]

    Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry , urldate =

    Glen Van Brummelen , publisher =. Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry , urldate =

  28. [36]

    , keywords =

    A Probabilistic Quantification of Galaxy Cluster Membership. , keywords =. doi:10.1086/316849 , archivePrefix =. astro-ph/0008462 , primaryClass =

  29. [37]

    , keywords =

    Stellar population synthesis at the resolution of 2003. , keywords =. doi:10.1046/j.1365-8711.2003.06897.x , archivePrefix =. astro-ph/0309134 , primaryClass =

  30. [38]

    , keywords =

    Substructure analysis of selected low-richness 2dFGRS clusters of galaxies. , keywords =. doi:10.1111/j.1365-2966.2004.07952.x , archivePrefix =. astro-ph/0405021 , primaryClass =

  31. [39]

    , keywords =

    Nebular Continuum and Line Emission in Stellar Population Synthesis Models. , keywords =. doi:10.3847/1538-4357/aa6c66 , archivePrefix =. 1611.08305 , primaryClass =

  32. [40]

    , keywords =

    The Dust Content and Opacity of Actively Star-forming Galaxies. , keywords =. doi:10.1086/308692 , archivePrefix =. astro-ph/9911459 , primaryClass =

  33. [41]

    , keywords =

    Structure and Kinematics of Early-Type Galaxies from Integral Field Spectroscopy. , keywords =. doi:10.1146/annurev-astro-082214-122432 , archivePrefix =. 1602.04267 , primaryClass =

  34. [42]

    , keywords =

    Improving the full spectrum fitting method: accurate convolution with Gauss-Hermite functions. , keywords =. doi:10.1093/mnras/stw3020 , archivePrefix =. 1607.08538 , primaryClass =

  35. [43]

    , keywords =

    Full spectrum fitting with photometry in PPXF: stellar population versus dynamical masses, non-parametric star formation history and metallicity for 3200 LEGA-C galaxies at redshift z 0.8. , keywords =. doi:10.1093/mnras/stad2597 , archivePrefix =. 2208.14974 , primaryClass =

  36. [44]

    , volume =

    Carvalho, S P and Dors, O L and Cardaci, M V and Hägele, G F and Krabbe, A C and Pérez-Montero, E and Monteiro, A F and Armah, M and Freitas-Lemes, P , title = ". , volume =. 2020 , month =. doi:10.1093/mnras/staa193 , url =

  37. [45]

    , keywords =

    A new method to assign galaxy cluster membership using photometric redshifts. , keywords =. doi:10.1051/0004-6361/201528009 , archivePrefix =. 1606.08744 , primaryClass =

  38. [46]

    , keywords =

    J-PLUS: The Javalambre Photometric Local Universe Survey. , keywords =. doi:10.1051/0004-6361/201833036 , archivePrefix =. 1804.02667 , primaryClass =

  39. [47]

    , keywords =

    Galactic Stellar and Substellar Initial Mass Function. , keywords =. doi:10.1086/376392 , archivePrefix =. astro-ph/0304382 , primaryClass =

  40. [48]

    arXiv e-prints , keywords =

    SMOTE: Synthetic Minority Over-sampling Technique. arXiv e-prints , keywords =. doi:10.48550/arXiv.1106.1813 , archivePrefix =. 1106.1813 , primaryClass =

  41. [49]

    , keywords =

    Leavers and remainers: galaxies split by group-exit. , keywords =. doi:10.1093/mnras/stz2829 , archivePrefix =. 1910.03618 , primaryClass =

  42. [50]

    , keywords =

    Witnessing a Transformation to Blue-cored Dwarf Early-type Galaxies in Filaments and the Cluster Outskirts: Gas-phase Abundances and Internal Kinematics Perspectives. , keywords =. doi:10.3847/1538-4357/accae1 , archivePrefix =. 2304.02803 , primaryClass =

  43. [51]

    , keywords =

    Alternative diagnostic diagrams and the `forgotten' population of weak line galaxies in the SDSS. , keywords =. doi:10.1111/j.1365-2966.2009.16185.x , archivePrefix =. 0912.1643 , primaryClass =

  44. [52]

    , keywords =

    A comprehensive classification of galaxies in the Sloan Digital Sky Survey: how to tell true from fake AGN?. , keywords =. doi:10.1111/j.1365-2966.2011.18244.x , archivePrefix =. 1012.4426 , primaryClass =

  45. [53]

    , keywords =

    Linking cluster formation to large-scale structure. , keywords =. doi:10.1046/j.1365-8711.1999.02400.x , adsurl =

  46. [54]

    , keywords =

    The 2dF Galaxy Redshift Survey: spectra and redshifts. , keywords =. doi:10.1046/j.1365-8711.2001.04902.x , archivePrefix =. astro-ph/0106498 , primaryClass =

  47. [55]

    , keywords =

    The strong transformation of spiral galaxies infalling into massive clusters at z -0.5ex 0.2. , keywords =. doi:10.1111/j.1365-2966.2006.11369.x , archivePrefix =. astro-ph/0703012 , primaryClass =

  48. [56]

    Monthly Notices of the Royal Astronomical Society , volume=

    Boosting the evolutionary picture of Cl 0024+ 17 and MS 0451- 03: a case study at intermediate-redshift , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2024 , publisher=

  49. [57]

    and Ribeiro, Andre L

    Costa, Alisson P. and Ribeiro, Andre L. B. and de Morais Neto, Flavio R. and dos Santos Junior, Juarez , TITLE =. Universe , VOLUME =. 2025 , NUMBER =

  50. [58]

    , keywords =

    First Results from a Deeper Survey of a Southern Redshift Slice. , keywords =. doi:10.1086/167772 , adsurl =

  51. [59]

    Davis, Marcs and Peebles, Phillip J. E. , title = ". , volume =. 1983 , doi =

  52. [60]

    , keywords =

    The Baryon Oscillation Spectroscopic Survey of SDSS-III. , keywords =. doi:10.1088/0004-6256/145/1/10 , archivePrefix =. 1208.0022 , primaryClass =

  53. [61]

    , keywords =

    Large-scale structure in a universe with mixed hot and cold dark matter. , keywords =. doi:10.1038/359393a0 , adsurl =

  54. [62]

    , keywords =

    A Slice of the Universe. , keywords =. doi:10.1086/184625 , adsurl =

  55. [63]

    Monthly Notices of the Royal Astronomical Society , volume=

    ROGER: Reconstructing orbits of galaxies in extreme regions using machine learning techniques , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2021 , publisher=

  56. [64]

    , keywords =

    The Dark Energy Survey: more than dark energy - an overview. , keywords =. doi:10.1093/mnras/stw641 , archivePrefix =. 1601.00329 , primaryClass =

  57. [65]

    , keywords =

    Galaxy Alignments with Surrounding Structure in the Sloan Digital Sky Survey. , keywords =. doi:10.3847/1538-4357/ac83a8 , archivePrefix =. 2012.02254 , primaryClass =

  58. [67]

    , keywords =

    Infall Regions of Galaxy Clusters. , keywords =. doi:10.1086/304075 , archivePrefix =. astro-ph/9701034 , primaryClass =

  59. [68]

    , volume =

    The Pseudo-evolution of Halo Mass. , volume =. 2013 , pages =

  60. [69]

    , volume =

    Dependence of the Outer Density Profiles of Halos on Their Mass Accretion Rate. , volume =. 2014 , pages =

  61. [70]

    Fitting function

    A dynamics-based density profile for dark haloes - II. Fitting function. , keywords =. doi:10.1093/mnras/stac3778 , archivePrefix =. 2205.03420 , primaryClass =

  62. [71]

    , keywords =

    SDSS-IV DR17: final release of MaNGA PyMorph photometric and deep-learning morphological catalogues. , keywords =. doi:10.1093/mnras/stab3089 , archivePrefix =. 2110.10694 , primaryClass =

  63. [72]

    , keywords =

    Galaxy cluster optical mass proxies from probabilistic memberships. , keywords =. doi:10.1093/mnras/stad3024 , archivePrefix =. 2312.10564 , primaryClass =

  64. [73]

    , keywords =

    Galaxy morphology in rich clusters: implications for the formation and evolution of galaxies. , keywords =. doi:10.1086/157753 , adsurl =

  65. [74]

    , keywords =

    Evidence for Substructure in Rich Clusters of Galaxies from Radial-Velocity Measurements. , keywords =. doi:10.1086/114694 , adsurl =

  66. [75]

    , keywords =

    Dark matter halo concentrations in the Wilkinson Microwave Anisotropy Probe year 5 cosmology. , keywords =. doi:10.1111/j.1745-3933.2008.00537.x , archivePrefix =. 0804.2486 , primaryClass =

  67. [76]

    , keywords =

    Twin radio relics in the nearby low-mass galaxy cluster Abell 168. , keywords =. doi:10.1093/mnras/sty744 , archivePrefix =. 1803.06129 , primaryClass =

  68. [77]

    , volume=

    Multimodality in galaxy clusters from SDSS DR8: substructure and velocity distribution , author=. , volume=. 2012 , publisher=

  69. [78]

    , keywords =

    Infalling groups and galaxy transformations in the cluster A2142. , keywords =. doi:10.1051/0004-6361/201731600 , archivePrefix =. 1711.07806 , primaryClass =

  70. [79]

    , keywords =

    The mass-metallicity relation in galaxy clusters: the relative importance of cluster membership versus local environment. , keywords =. doi:10.1111/j.1365-2966.2009.14817.x , archivePrefix =. 0903.4684 , primaryClass =

  71. [80]

    A Density-based Algorithm for Discovering Clusters a Density-based Algorithm for Discovering Clusters in Large Spatial Databases with Noise , booktitle =

    Ester, Martin and Kriegel, Hans-Peter and Sander, J\". A Density-based Algorithm for Discovering Clusters a Density-based Algorithm for Discovering Clusters in Large Spatial Databases with Noise , booktitle =. 1996 , location =

  72. [81]

    , keywords =

    The Observational Distribution of Internal Velocity Dispersions in Nearby Galaxy Clusters. , keywords =. doi:10.1086/178180 , archivePrefix =. astro-ph/9606098 , primaryClass =

  73. [82]

    , keywords =

    Biases in galaxy cluster velocity dispersion and mass estimates in the small N _ gal regime. , keywords =. doi:10.1051/0004-6361/201834837 , archivePrefix =. 2006.05949 , primaryClass =

  74. [83]

    , volume =

    Self-similar gravitational collapse in an expanding universe. , volume =. 1984 , pages =

  75. [84]

    Finn and Dennis Zaritsky and Donald W

    Rose A. Finn and Dennis Zaritsky and Donald W. McCarthy, Jr. and Bianca Poggianti and Gregory Rudnick and Claire Halliday and Bo Milvang-Jensen and Roser Pelló and Luc Simard , title =. 2005 , month =. doi:10.1086/431642 , url =

  76. [85]

    , volume =

    Flury, Sophia R and Moran, Edward C , title = ". , volume =. 2020 , month =. doi:10.1093/mnras/staa1563 , url =

  77. [86]

    Journal of the American statistical Association , volume=

    Model-based clustering, discriminant analysis, and density estimation , author=. Journal of the American statistical Association , volume=. 2002 , publisher=

  78. [87]

    , keywords =

    Nonlinear evolution of large-scale structure in the universe. , keywords =. doi:10.1086/161209 , adsurl =

  79. [88]

    Fuller and Michael J

    Todd M. Fuller and Michael J. West and Terry J. Bridges , title =. , abstract =. 1999 , month =. doi:10.1086/307343 , url =

  80. [89]

    The Astrophysical Journal , abstract =

    Gabriel-Silva, Lucas and Sodré, Laerte , title =. The Astrophysical Journal , abstract =. 2025 , month =. doi:10.3847/1538-4357/ade308 , url =

  81. [90]

    , keywords =

    The Gaia mission. , keywords =. doi:10.1051/0004-6361/201629272 , archivePrefix =. 1609.04153 , primaryClass =

  82. [91]

    Science , keywords =

    Mapping the Universe. Science , keywords =. doi:10.1126/science.246.4932.897 , adsurl =

  83. [92]

    Galaxies in X-Ray Groups. I. Robust Membership Assignment and the Impact of Group Environments on Quenching. , keywords =. doi:10.1088/0004-637X/742/2/125 , archivePrefix =. 1109.6040 , primaryClass =

  84. [93]

    , keywords =

    GAMA+KiDS: Alignment of galaxies in galaxy groups and its dependence on galaxy scale. , keywords =. doi:10.1051/0004-6361/201935810 , archivePrefix =. 1905.00370 , primaryClass =

  85. [94]

    , keywords =

    The star formation history of CALIFA galaxies: Radial structures. , keywords =. doi:10.1051/0004-6361/201322011 , archivePrefix =. 1310.5517 , primaryClass =

  86. [95]

    Identification and characterization of galaxy populations with the J-PAS photometric system

    The miniJPAS survey. Identification and characterization of galaxy populations with the J-PAS photometric system. , keywords =. doi:10.1051/0004-6361/202039849 , archivePrefix =. 2102.13121 , primaryClass =

  87. [96]

    , keywords =

    A Map of the Universe. , keywords =. doi:10.1086/428890 , archivePrefix =. astro-ph/0310571 , primaryClass =

  88. [97]

    , keywords =

    LoCuSS: The Slow Quenching of Star Formation in Cluster Galaxies and the Need for Pre-processing. , keywords =. doi:10.1088/0004-637X/806/1/101 , archivePrefix =. 1504.05604 , primaryClass =

  89. [98]

    The Messenger , year = 2023, month = mar, volume =

    CHANCES: A CHileAN Cluster galaxy Evolution Survey. The Messenger , year = 2023, month = mar, volume =. doi:10.18727/0722-6691/5308 , adsurl =

  90. [99]

    arXiv e-prints , keywords =

    CHANCES, The Chilean Cluster Galaxy Evolution Survey: selection and initial characterization of clusters and superclusters. arXiv e-prints , keywords =. doi:10.48550/arXiv.2411.13655 , archivePrefix =. 2411.13655 , primaryClass =

  91. [100]

    , keywords =

    Chandra Observation of the Merging Cluster A168: A Late Stage in the Evolution of a Cold Front. , keywords =. doi:10.1086/423449 , archivePrefix =. astro-ph/0406322 , primaryClass =

  92. [101]

    Hernandez-Jimenez, J. A. and Krabbe, A. C. , title =. doi:10.5281/zenodo.6940848 , url =

  93. [102]

    , keywords =

    The stellar accretion origin of stellar population gradients in massive galaxies at large radii. , keywords =. doi:10.1093/mnras/stv274 , archivePrefix =. 1410.2244 , primaryClass =

  94. [103]

    doi:10.1046/j.1365-8711.2002.05131.x , keywords =

    , volume = 330, number = 4, pages =. doi:10.1046/j.1365-8711.2002.05131.x , keywords =

  95. [104]

    , keywords =

    Overconfidence in photometric redshift estimation. , keywords =. doi:10.1093/mnras/stw261 , archivePrefix =. 1601.07857 , primaryClass =

  96. [105]

    , keywords =

    Galaxy activity in merging binary galaxy clusters. , keywords =. doi:10.1111/j.1365-2966.2009.15100.x , archivePrefix =. 0905.2991 , primaryClass =

  97. [106]

    , keywords =

    LSST: From Science Drivers to Reference Design and Anticipated Data Products. , keywords =. doi:10.3847/1538-4357/ab042c , archivePrefix =. 0805.2366 , primaryClass =

  98. [107]

    , keywords =

    Hierarchical structure of the cosmic web and galaxy properties. , keywords =. doi:10.1093/mnras/stad3347 , archivePrefix =. 2304.14387 , primaryClass =

  99. [108]

    , keywords =

    BUDHIES II: a phase-space view of H I gas stripping and star formation quenching in cluster galaxies. , keywords =. doi:10.1093/mnras/stv100 , archivePrefix =. 1501.03819 , primaryClass =

  100. [109]

    , keywords =

    BUDHIES - III: the fate of H I and the quenching of galaxies in evolving environments. , keywords =. doi:10.1093/mnras/stw984 , archivePrefix =. 1604.07832 , primaryClass =

  101. [110]

    GASP. IX. Jellyfish galaxies in phase-space: an orbital study of intense ram-pressure stripping in clusters , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2018 , publisher=

  102. [111]

    K-Means Clustering

    Jin, Xin and Han, Jiawei. K-Means Clustering. Encyclopedia of Machine Learning. 2010. doi:10.1007/978-0-387-30164-8_425

  103. [112]

    , keywords =

    Galaxy Alignments: An Overview. , keywords =. doi:10.1007/s11214-015-0177-4 , archivePrefix =. 1504.05456 , primaryClass =

  104. [114]

    Survey and Other Telescope Technologies and Discoveries , year = 2002, editor =

    Pan-STARRS: A Large Synoptic Survey Telescope Array. Survey and Other Telescope Technologies and Discoveries , year = 2002, editor =. doi:10.1117/12.457365 , adsurl =

  105. [115]

    , keywords =

    A Deep Redshift Survey of the Perseus Cluster (A426): Spatial Distribution and Kinematics of Galaxies. , keywords =. doi:10.3847/1538-4365/ad390d , archivePrefix =. 2403.19307 , primaryClass =

  106. [116]

    , keywords =

    The host galaxies of active galactic nuclei. , keywords =. doi:10.1111/j.1365-2966.2003.07154.x , archivePrefix =. astro-ph/0304239 , primaryClass =

  107. [117]

    , keywords =

    The environmental dependence of the relations between stellar mass, structure, star formation and nuclear activity in galaxies. , keywords =. doi:10.1111/j.1365-2966.2004.08117.x , archivePrefix =. astro-ph/0402030 , primaryClass =

  108. [118]

    1975 , month = sep, journal =

    Multidimensional Binary Search Trees Used for Associative Searching , author =. 1975 , month = sep, journal =. doi:10.1145/361002.361007 , url =

  109. [119]

    Post-processing of galaxies due to major cluster mergers. I. Hints from galaxy colours and morphologies. , keywords =. doi:10.1051/0004-6361/202347660 , archivePrefix =. 2309.15281 , primaryClass =

  110. [120]

    , keywords =

    Theoretical Modeling of Starburst Galaxies. , keywords =. doi:10.1086/321545 , archivePrefix =. astro-ph/0106324 , primaryClass =

  111. [121]

    , keywords =

    The host galaxies and classification of active galactic nuclei. , keywords =. doi:10.1111/j.1365-2966.2006.10859.x , archivePrefix =. astro-ph/0605681 , primaryClass =

  112. [122]

    , keywords =

    Distribution of Merging and Post-merger Galaxies in Nearby Galaxy Clusters. , keywords =. doi:10.3847/1538-4357/ad32ce , archivePrefix =. 2403.06437 , primaryClass =

  113. [123]

    Monthly Notices of the Royal Astronomical Society , volume=

    Quantifying the role of ram-pressure stripping of galaxies within galaxy groups , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2022 , publisher=

  114. [124]

    , keywords =

    Kinematics of AWM and MKW Poor Clusters. , keywords =. doi:10.1086/338096 , adsurl =

  115. [125]

    , keywords =

    Diagnostic diagrams for ram pressure stripped candidates. , keywords =. doi:10.1093/mnras/stad3881 , archivePrefix =. 2312.09220 , primaryClass =

  116. [126]

    Effects of interactions on star formation in the field

    Galaxy pairs in the 2dF survey - I. Effects of interactions on star formation in the field. , keywords =. doi:10.1111/j.1365-2966.2003.07179.x , archivePrefix =. astro-ph/0212222 , primaryClass =

  117. [127]

    , keywords =

    Effect of richness on AGN and star formation activities in SDSS galaxy groups. , keywords =. doi:10.1093/mnras/stz267 , archivePrefix =. 1901.07421 , primaryClass =

  118. [128]

    doi:10.5281/zenodo.15127060 , url =

    ErikVini/specz\_compilation: Southern Hemisphere Spectrocopic Redshift Compilation , month = apr, year = 2025, publisher =. doi:10.5281/zenodo.15127060 , url =

  119. [129]

    Astronomy and Computing , keywords =

    Photometric redshifts for the S-PLUS Survey: Is machine learning up to the task?. Astronomy and Computing , keywords =. doi:10.1016/j.ascom.2021.100510 , archivePrefix =. 2110.13901 , primaryClass =

  120. [130]

    , keywords =

    Structure and kinematics of the interacting group NGC 5098/5096. , keywords =. doi:10.1051/0004-6361/202453614 , archivePrefix =. 2503.17341 , primaryClass =

  121. [131]

    and Baugh, Carlton and Bridges, Terry and Cannon, Russell and Cole, Shaun and Colless, Matthew and Collins, Chris and Cross, Nicholas and Dalton, Gavin and Driver, Simon P

    Lewis, Ian and Balogh, Michael and De Propris, Roberto and Couch, Warrick and Bower, Richard and Offer, Alison and Bland-Hawthorn, Joss and Baldry, Ivan K. and Baugh, Carlton and Bridges, Terry and Cannon, Russell and Cole, Shaun and Colless, Matthew and Collins, Chris and Cro...

  122. [132]

    , keywords =

    Properties of spherical galaxies and clusters with an NFW density profile. , keywords =. doi:10.1046/j.1365-8711.2001.04007.x , archivePrefix =. astro-ph/0002395 , primaryClass =

  123. [133]

    Sample definition and comparison of mass estimates

    NoSOCS in SDSS - I. Sample definition and comparison of mass estimates. , keywords =. doi:10.1111/j.1365-2966.2008.13962.x , archivePrefix =. 0809.2595 , primaryClass =

  124. [134]

    The role of environment beyond the extent of galaxy clusters

    NoSOCS in SDSS - IV. The role of environment beyond the extent of galaxy clusters. , keywords =. doi:10.1093/mnras/stt2064 , archivePrefix =. 1310.6309 , primaryClass =

  125. [135]

    , keywords =

    Optical substructure and BCG offsets of Sunyaev-Zel'dovich and X-ray-selected galaxy clusters. , keywords =. doi:10.1093/mnras/sty1374 , archivePrefix =. 1805.09631 , primaryClass =

  126. [136]

    A machine learning method and its performance in the local universe

    Reliable photometric membership (RPM) of galaxies in clusters - I. A machine learning method and its performance in the local universe. , keywords =. doi:10.1093/mnras/staa486 , archivePrefix =. 2002.07263 , primaryClass =

  127. [137]

    , keywords =

    The role of groups in galaxy evolution: compelling evidence of pre-processing out to the turnaround radius of clusters. , keywords =. doi:10.1093/mnrasl/slad134 , archivePrefix =. 2309.11578 , primaryClass =

  128. [138]

    , keywords =

    The Fornax3D project: The environmental impact on gas metallicity gradients in Fornax cluster galaxies. , keywords =. doi:10.1051/0004-6361/202142790 , archivePrefix =. 2202.04128 , primaryClass =

  129. [139]

    , volume=

    The dynamical state of Abell 2399: a bullet-like cluster , author=. , volume=. 2020 , publisher=

  130. [140]

    Monthly Notices of the Royal Astronomical Society , volume=

    The effect of cluster dynamical state on ram-pressure stripping , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2023 , publisher=

  131. [141]

    PyNeb: a new tool for analyzing emission lines. I. Code description and validation of results. , keywords =. doi:10.1051/0004-6361/201323152 , archivePrefix =. 1410.6662 , primaryClass =

  132. [142]

    , keywords =

    Stellar population models at high spectral resolution. , keywords =. doi:10.1111/j.1365-2966.2011.19738.x , archivePrefix =. 1109.0543 , primaryClass =

  133. [143]

    , keywords =

    The O3N2 and N2 abundance indicators revisited: improved calibrations based on CALIFA and T _ e -based literature data. , keywords =. doi:10.1051/0004-6361/201321956 , archivePrefix =. 1307.5316 , primaryClass =

  134. [144]

    , keywords =

    The BAHAMAS project: calibrated hydrodynamical simulations for large-scale structure cosmology. , keywords =. doi:10.1093/mnras/stw2792 , archivePrefix =. 1603.02702 , primaryClass =

  135. [145]

    , keywords =

    The accretion of galaxies into groups and clusters. , keywords =. doi:10.1111/j.1365-2966.2009.15507.x , archivePrefix =. 0908.0750 , primaryClass =

  136. [146]

    , keywords =

    The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies, and redshifts with 12 optical filters. , keywords =. doi:10.1093/mnras/stz1985 , archivePrefix =. 1907.01567 , primaryClass =

  137. [147]

    , volume =

    A Universal Density Profile for Dark and Luminous Matter?. , volume =. 2005 , pages =

  138. [148]

    , year = 2007, month = jan, volume =

    The X-Ray Observatory Suzaku. , year = 2007, month = jan, volume =. doi:10.1093/pasj/59.sp1.S1 , adsurl =

  139. [149]

    and Benítez, N

    Molino, A. and Benítez, N. and Ascaso, B. and Coe, D. and Postman, M. and Jouvel, S. and Host, O. and Lahav, O. and Seitz, S. and Medezinski, E. and Rosati, P. and Schoenell, W. and Koekemoer, A. and Jimenez-Teja, Y. and Broadhurst, T. and Melchior, P. and Balestra, I. and Bar...

  140. [150]

    , keywords =

    J-PLUS: On the identification of new cluster members in the double galaxy cluster A2589 and A2593 using PDFs. , keywords =. doi:10.1051/0004-6361/201731348 , archivePrefix =. 1804.03640 , primaryClass =

  141. [151]

    , keywords =

    Assessing the photometric redshift precision of the S-PLUS survey: the Stripe-82 as a test-case. , keywords =. doi:10.1093/mnras/staa1586 , archivePrefix =. 1907.06315 , primaryClass =

  142. [152]

    , journal=

    Moon, T.K. , journal=. The expectation-maximization algorithm , year=

  143. [153]

    , volume =

    THE SPLASHBACK RADIUS AS A PHYSICAL HALO BOUNDARY AND THE GROWTH OF HALO MASS. , volume =. 2015 , pages =

  144. [154]

    , volume =

    Detection of the Splashback Radius and Halo Assembly Bias of Massive Galaxy Clusters. , volume =. 2016 , pages =

  145. [155]

    , year = 1975, month = aug, volume =

    cD galaxies in poor clusters. , year = 1975, month = aug, volume =. doi:10.1086/153721 , adsurl =

  146. [156]

    , keywords =

    The relation between velocity dispersion and mass in simulated clusters of galaxies: dependence on the tracer and the baryonic physics. , keywords =. doi:10.1093/mnras/stt049 , archivePrefix =. 1301.1682 , primaryClass =

  147. [157]

    , keywords =

    On the discovery of stars, quasars, and galaxies in the Southern Hemisphere with S-PLUS DR2. , keywords =. doi:10.1093/mnras/stab1835 , archivePrefix =. 2106.11986 , primaryClass =

  148. [158]

    , keywords =

    The Structure of Cold Dark Matter Halos. , keywords =. doi:10.1086/177173 , archivePrefix =. astro-ph/9508025 , primaryClass =

  149. [159]

    Wiley Interdisciplinary Reviews: Computational Statistics , volume=

    The Bayesian information criterion: background, derivation, and applications , author=. Wiley Interdisciplinary Reviews: Computational Statistics , volume=. 2012 , publisher=

  150. [160]

    , keywords =

    Galaxy pre-processing in substructures around z 0.4 galaxy clusters. , keywords =. doi:10.1093/mnras/sty1669 , archivePrefix =. 1806.08435 , primaryClass =

  151. [161]

    , keywords =

    CALSAGOS: Clustering algorithms applied to galaxies in overdense systems. , keywords =. doi:10.1093/mnras/stac3762 , archivePrefix =. 2212.09451 , primaryClass =

  152. [162]

    Monthly Notices of the Royal Astronomical Society , volume=

    Satellite quenching time-scales in clusters from projected phase space measurements matched to simulated orbits , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2016 , publisher=

  153. [163]

    , keywords =

    The Two Phases of Galaxy Formation. , keywords =. doi:10.1088/0004-637X/725/2/2312 , archivePrefix =. 1010.1381 , primaryClass =

  154. [164]

    , keywords =

    An XMM-Newton observation of the galaxy group MKW 4. , keywords =. doi:10.1046/j.1365-2966.2003.07108.x , archivePrefix =. astro-ph/0308255 , primaryClass =

  155. [165]

    , keywords =

    Satellite quenching and morphological transformation of galaxies in groups and clusters. , keywords =. doi:10.1093/mnras/stae747 , archivePrefix =. 2403.07742 , primaryClass =

  156. [166]

    Monthly Notices of the Royal Astronomical Society , volume=

    Physical properties of SDSS satellite galaxies in projected phase space , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2019 , publisher=

  157. [167]

    , keywords =

    Alignments of galaxy group shapes with large-scale structure. , keywords =. doi:10.1111/j.1365-2966.2011.18518.x , archivePrefix =. 1102.2229 , primaryClass =

  158. [168]

    , keywords =

    Gas-phase Metallicity of Local Active Galactic Nuclei in the GASP and MaNGA Surveys: The Role of Ram Pressure Stripping. , keywords =. doi:10.3847/1538-4357/acf833 , archivePrefix =. 2309.05332 , primaryClass =

  159. [169]

    Cooling flows in an X-ray flux-limited sample

    A ROSAT study of the cores of clusters of galaxies - I. Cooling flows in an X-ray flux-limited sample. , keywords =. doi:10.1046/j.1365-8711.1998.01624.x , archivePrefix =. astro-ph/9805122 , primaryClass =

  160. [170]

    , volume =

    Pérez-Montero, E and Amorín, R and Sánchez Almeida, J and Vílchez, J M and García-Benito, R and Kehrig, C , title = ". , volume =. 2021 , month =. doi:10.1093/mnras/stab862 , url =

  161. [171]

    , keywords =

    The MCXC: a meta-catalogue of x-ray detected clusters of galaxies. , keywords =. doi:10.1051/0004-6361/201015377 , archivePrefix =. 1007.1916 , primaryClass =

  162. [172]

    , keywords =

    Pre- and post-processing of cluster galaxies out to 5 R _ 200 : the extreme case of A2670. , keywords =. doi:10.1093/mnras/stad3957 , archivePrefix =. 2401.06973 , primaryClass =

  163. [173]

    The Astronomical Journal , volume=

    Jellyfish galaxy candidates at low redshift , author=. The Astronomical Journal , volume=. 2016 , publisher=

  164. [174]

    arXiv e-prints , pages =

  165. [175]

    , keywords =

    The AGN fraction-velocity dispersion relation in clusters of galaxies. , keywords =. doi:10.1051/0004-6361:20066269 , archivePrefix =. astro-ph/0610738 , primaryClass =

  166. [176]

    , keywords =

    Parametric Recovery of Line-of-Sight Velocity Distributions from Absorption-Line Spectra of Galaxies via Penalized Likelihood. , keywords =. doi:10.1086/381875 , archivePrefix =. astro-ph/0312201 , primaryClass =

  167. [177]

    Monthly Notices of the Royal Astronomical Society , volume=

    Constraining quenching time-scales in galaxy clusters by forward-modelling stellar ages and quiescent fractions in projected phase space , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2023 , publisher=

  168. [178]

    Gaussian Mixture Models

    Reynolds, Douglas. Gaussian Mixture Models. Encyclopedia of Biometrics. 2009. doi:10.1007/978-0-387-73003-5_196

  169. [179]

    Breiman, Leo , year =. Random. Machine Learning , volume =. doi:10.1023/A:1010933404324 , url =

  170. [180]

    The Astrophysical Journal , volume=

    Phase-space analysis in the group and cluster environment: time since infall and tidal mass loss , author=. The Astrophysical Journal , volume=. 2017 , publisher=

  171. [181]

    Classifying galaxy groups according to their velocity distribution , author=

    SPIDER--IX. Classifying galaxy groups according to their velocity distribution , author=. , volume=. 2013 , publisher=

  172. [182]

    CIRS: Cluster Infall Regions in the Sloan Digital Sky Survey. I. Infall Patterns and Mass Profiles. , keywords =. doi:10.1086/506017 , archivePrefix =. astro-ph/0602032 , primaryClass =

  173. [183]

    Monthly Notices of the Royal Astronomical Society , volume=

    Ram pressure stripping candidates in the coma cluster: evidence for enhanced star formation , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2020 , publisher=

  174. [184]

    , keywords =

    The optical morphologies of galaxies in the IllustrisTNG simulation: a comparison to Pan-STARRS observations. , keywords =. doi:10.1093/mnras/sty3345 , archivePrefix =. 1809.08239 , primaryClass =

  175. [185]

    and Vogeley, Michael S

    Rojas, Randall R. and Vogeley, Michael S. and Hoyle, Fiona and Brinkmann, Jon , title =. 2005 , month =. doi:10.1086/428476 , url =

  176. [186]

    Monthly Notices of the Royal Astronomical Society , volume=

    Jellyfish galaxies with the IllustrisTNG simulations--when, where, and for how long does ram pressure stripping of cold gas occur? , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2023 , publisher=

  177. [187]

    , keywords =

    Cool core remnants in galaxy clusters. , keywords =. doi:10.1051/0004-6361/200913156 , archivePrefix =. 0910.4900 , primaryClass =

  178. [188]

    , keywords =

    Medium-resolution Isaac Newton Telescope library of empirical spectra. , keywords =. doi:10.1111/j.1365-2966.2006.10699.x , archivePrefix =. astro-ph/0607009 , primaryClass =

  179. [189]

    Temperature and cooling time profiles

    A statistically selected Chandra sample of 20 galaxy clusters - I. Temperature and cooling time profiles. , keywords =. doi:10.1111/j.1365-2966.2006.10956.x , archivePrefix =. astro-ph/0608423 , primaryClass =

  180. [191]

    , keywords =

    Joint Suzaku and Chandra observations of the MKW4 galaxy group out to the virial radius. , keywords =. doi:10.1093/mnras/staa3858 , archivePrefix =. 2012.05160 , primaryClass =

  181. [192]

    , keywords =

    Pre-processing of galaxies in cosmic filaments around AMASCFI clusters in the CFHTLS. , keywords =. doi:10.1051/0004-6361/201935394 , archivePrefix =. 1903.02879 , primaryClass =

  182. [193]

    GANDALF: Gas AND Absorption Line Fitting

  183. [194]

    , keywords =

    The EAGLE project: simulating the evolution and assembly of galaxies and their environments. , keywords =. doi:10.1093/mnras/stu2058 , archivePrefix =. 1407.7040 , primaryClass =

  184. [195]

    The R journal , volume=

    mclust 5: clustering, classification and density estimation using Gaussian finite mixture models , author=. The R journal , volume=. 2016 , publisher=

  185. [196]

    2023 , publisher=

    Model-based clustering, classification, and density estimation using mclust in R , author=. 2023 , publisher=

  186. [197]

    , keywords =

    The Preprocessing of Galaxies in the Early Stages of Cluster Formation in Abell 1882 at z = 0.139. , keywords =. doi:10.3847/1538-4365/ac3761 , archivePrefix =. 2102.06612 , primaryClass =

  187. [198]

    and Arnouts, S

    Bertin, E. and Arnouts, S. , year =. Astronomy and Astrophysics Supplement Series , volume =. doi:10.1051/aas:1996164 , urldate =

  188. [199]

    , keywords =

    CHANCES, the Chilean Cluster Galaxy Evolution Survey: Selection and initial characterisation of clusters and superclusters. , keywords =. doi:10.1051/0004-6361/202452710 , archivePrefix =. 2411.13655 , primaryClass =

  189. [200]

    Scikit-Learn:

    Pedregosa, Fabian and Varoquaux, Ga. Scikit-Learn:. 2011 , journal =

  190. [201]

    Results at z=0

    Populating a cluster of galaxies - I. Results at z=0. , keywords =. doi:10.1046/j.1365-8711.2001.04912.x , archivePrefix =. astro-ph/0012055 , primaryClass =

  191. [202]

    , keywords =

    Simulations of the formation, evolution and clustering of galaxies and quasars. , keywords =. doi:10.1038/nature03597 , archivePrefix =. astro-ph/0504097 , primaryClass =

  192. [203]

    , keywords =

    First results from the IllustrisTNG simulations: matter and galaxy clustering. , keywords =. doi:10.1093/mnras/stx3304 , archivePrefix =. 1707.03397 , primaryClass =

  193. [204]

    , keywords =

    Can retired galaxies mimic active galaxies? Clues from the Sloan Digital Sky Survey. , keywords =. doi:10.1111/j.1745-3933.2008.00550.x , archivePrefix =. 0809.1341 , primaryClass =

  194. [205]

    , keywords =

    Estimating stellar population and emission-line properties in S-PLUS galaxies. , keywords =. doi:10.1093/mnras/stad2698 , archivePrefix =. 2309.02194 , primaryClass =

  195. [206]

    Method and first results for the M101 group

    Spatially resolved stellar populations and emission line properties in nearby galaxies with J-PLUS: I. Method and first results for the M101 group. , keywords =. doi:10.1051/0004-6361/202554704 , archivePrefix =. 2505.13167 , primaryClass =

  196. [207]

    , keywords =

    Stellar velocity dispersions and emission line properties of SDSS-III/BOSS galaxies. , keywords =. doi:10.1093/mnras/stt261 , archivePrefix =. 1207.6115 , primaryClass =

  197. [208]

    , keywords =

    Detecting filamentary pattern in the cosmic web: a catalogue of filaments for the SDSS. , keywords =. doi:10.1093/mnras/stt2454 , archivePrefix =. 1308.2533 , primaryClass =

  198. [209]

    , keywords =

    Clusters in Collision?. , keywords =. doi:10.1086/171798 , adsurl =

  199. [210]

    , keywords =

    Pre-processing and post-processing in group-cluster mergers. , keywords =. doi:10.1093/mnras/stt1485 , archivePrefix =. 1308.1311 , primaryClass =

  200. [211]

    , keywords =

    The ROSAT all-sky survey bright source catalogue. , keywords =. doi:10.48550/arXiv.astro-ph/9909315 , archivePrefix =. astro-ph/9909315 , primaryClass =

  201. [212]

    , keywords =

    The Physics of Galaxy Cluster Outskirts. , keywords =. doi:10.1007/s11214-018-0572-8 , archivePrefix =. 1810.00890 , primaryClass =

  202. [213]

    , keywords =

    An Overview of the Performance and Scientific Results from the Chandra X-Ray Observatory. , keywords =. doi:10.1086/338108 , archivePrefix =. astro-ph/0110308 , primaryClass =

  203. [214]

    , keywords =

    S-PLUS DR1 galaxy clusters and groups catalogue using PzWav. , keywords =. doi:10.1093/mnras/stac3273 , archivePrefix =. 2211.04243 , primaryClass =

  204. [215]

    Nature Astronomy , keywords =

    Ten billion years of brightest cluster galaxy alignments. Nature Astronomy , keywords =. doi:10.1038/s41550-017-0157 , archivePrefix =. 1706.03798 , primaryClass =

  205. [216]

    , keywords =

    Galaxy evolution in groups and clusters: satellite star formation histories and quenching time-scales in a hierarchical Universe. , keywords =. doi:10.1093/mnras/stt469 , archivePrefix =. 1206.3571 , primaryClass =

  206. [217]

    , volume =

    Galaxy evolution near groups and clusters: ejected satellites and the spatial extent of environmental quenching. , volume =. 2014 , pages =

  207. [218]

    , keywords =

    Chandra X-Ray Observations of Galaxy Cluster A168. , keywords =. doi:10.1086/423925 , archivePrefix =. astro-ph/0406638 , primaryClass =

  208. [219]

    and Kauffmann, Guinevere and Guo, Qi , title = "

    Yates, Robert M. and Kauffmann, Guinevere and Guo, Qi , title = ". , volume =. 2012 , month =. doi:10.1111/j.1365-2966.2012.20595.x , url =

  209. [220]

    , keywords =

    The Sloan Digital Sky Survey: Technical Summary. , keywords =. doi:10.1086/301513 , archivePrefix =. astro-ph/0006396 , primaryClass =

  210. [221]

    , keywords =

    Dynamical state of galaxy clusters evaluated from X-ray images. , keywords =. doi:10.1093/mnras/stac1037 , archivePrefix =. 2204.02699 , primaryClass =

  211. [222]

    , keywords =

    Hierarchical Evolution in Poor Groups of Galaxies. , keywords =. doi:10.1086/311312 , archivePrefix =. astro-ph/9803096 , primaryClass =

  212. [223]

    Nature Astronomy , volume=

    Transforming gas-rich low-mass disky galaxies into ultra-diffuse galaxies by ram pressure , author=. Nature Astronomy , volume=. 2021 , publisher=

  213. [224]

    Monthly Notices of the Royal Astronomical Society , volume=

    A universal ultraviolet--optical colour--colour--magnitude relation of galaxies , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2012 , publisher=

  214. [225]

    arXiv preprint arXiv:2603.16994 , year=

    Ram-pressure-induced star formation in low-mass galaxies infalling on-to the Coma cluster: insights from DESI , author=. arXiv preprint arXiv:2603.16994 , year=

  215. [226]

    Ilbert and S

    O. Ilbert and S. Arnouts and H. J. McCracken and M. Bolzonella and E. Bertin and O. Le F. Accurate photometric redshifts for the. Astronomy. doi:10.1051/0004-6361:20065138 , url =

  216. [227]

    , keywords =

    Protocluster detection in simulations of HSC-SSP and the 10-yr LSST forecast, using PCcones. , keywords =. doi:10.1093/mnras/stab1133 , archivePrefix =. 2104.10161 , primaryClass =

  217. [228]

    Annual Review of Astronomy and Astrophysics , volume=

    Physical properties and environments of nearby galaxies , author=. Annual Review of Astronomy and Astrophysics , volume=. 2009 , publisher=

  218. [229]

    Monthly Notices of the Royal Astronomical Society , volume=

    Size, shade, or shape? The contribution of galaxies of different types to the star formation history of the Universe from SDSS-IV MaNGA , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2021 , publisher=

  219. [230]

    The Astrophysical Journal , volume=

    The star formation history of M32 , author=. The Astrophysical Journal , volume=. 2012 , publisher=

  220. [231]

    Astronomy & Astrophysics , volume=

    Young, metal-enriched cores in early-type dwarf galaxies in the Virgo cluster based on colour gradients , author=. Astronomy & Astrophysics , volume=. 2017 , publisher=

  221. [232]

    The Astrophysical Journal , volume=

    The active assembly of the virgo cluster: Indications for recent group infall from early-type dwarf galaxies , author=. The Astrophysical Journal , volume=. 2018 , publisher=

  222. [233]

    Abundance distribution trends of early-type galaxies: from dwarfs to giants , author=

    The hELENa project--II. Abundance distribution trends of early-type galaxies: from dwarfs to giants , author=. Monthly Notices of the Royal Astronomical Society , volume=. 2018 , publisher=

  223. [234]

    Astronomy & Astrophysics , volume=

    The young stellar population at the center of NGC 205 , author=. Astronomy & Astrophysics , volume=. 2009 , publisher=

  224. [235]

    , title =

    Schombert, James M. , title =. The Astronomical Journal , volume =. 2018 , doi =

  225. [236]

    Galaxy And Mass Assembly (GAMA): mass--size relations of z< 0.1 galaxies subdivided by S

    Lange, Rebecca and Driver, Simon P and Robotham, Aaron SG and Kelvin, Lee S and Graham, Alister W and Alpaslan, Mehmet and Andrews, Stephen K and Baldry, Ivan K and Bamford, Steven and Bland-Hawthorn, Joss and others , journal=. Galaxy And Mass Assembly (GAMA): mass--size rela...

  226. [237]

    2016 , note =

    The. 2016 , note =. doi:10.48550/arXiv.1611.00036 , urldate =

  227. [238]

    2025 , note =

    Data. 2025 , note =. doi:10.48550/arXiv.2503.14745 , urldate =

  228. [239]

    The Astronomical Journal , author =

    The 2.5 m. The Astronomical Journal , author =. 2006 , pages =. doi:10.1086/500975 , language =

  229. [240]

    The Astronomical Journal , author =

    Sloan. The Astronomical Journal , author =. 2002 , pages =. doi:10.1086/324741 , number =

  230. [241]

    The Astronomical Journal , author =

    Overview of the. The Astronomical Journal , author =. 2019 , pages =. doi:10.3847/1538-3881/ab089d , abstract =

  231. [242]

    Monthly Notices of the Royal Astronomical Society , author =

    The. Monthly Notices of the Royal Astronomical Society , author =. 2004 , note =. doi:10.1111/j.1365-2966.2004.08353.x , abstract =

  232. [243]

    Monthly Notices of thereferences Royal Astronomical Society , author =

    The. Monthly Notices of thereferences Royal Astronomical Society , author =. 2009 , note =. doi:10.1111/j.1365-2966.2009.15338.x , abstract =

  233. [244]

    The Astronomical Journal , volume=

    HST Photometry of Dwarf Elliptical Galaxies in Coma, and an Explanation for the Alleged Structural Dichotomy between Dwarf andBright EllipticalGalaxies , author=. The Astronomical Journal , volume=. 2003 , publisher=

  234. [245]

    The Astrophysical Journal , volume=

    The properties and luminosity function of extremely low luminosity galaxies , author=. The Astrophysical Journal , volume=. 2005 , publisher=

  235. [246]

    The Astrophysical Journal , volume=

    A near-infrared census of the multicomponent stellar structure of early-type dwarf galaxies in the Virgo cluster , author=. The Astrophysical Journal , volume=. 2014 , publisher=

  236. [247]

    The first catalog of galaxy clusters and groups in the Western Galactic Hemisphere

    The SRG/eROSITA All-Sky Survey. The first catalog of galaxy clusters and groups in the Western Galactic Hemisphere. , keywords =. doi:10.1051/0004-6361/202348264 , archivePrefix =. 2402.08452 , primaryClass =

  237. [248]

    , keywords =

    A Catalog of 1.58 Million Clusters of Galaxies Identified from the DESI Legacy Imaging Surveys. , keywords =. doi:10.3847/1538-4365/ad409d , archivePrefix =. 2404.02002 , primaryClass =

  238. [249]

    , keywords =

    Targeting cluster galaxies for the 4MOST CHANCES Low-z sub-survey with photometric redshifts. , keywords =. doi:10.1051/0004-6361/202556796 , archivePrefix =. 2510.19958 , primaryClass =

  239. [250]

    , keywords =

    The eROSITA X-ray telescope on SRG. , keywords =. doi:10.1051/0004-6361/202039313 , archivePrefix =. 2010.03477 , primaryClass =

  240. [251]

    and de Oliveira, Claudia Mendes and Krabbe, Angela C

    Cardoso, Natanael M. and de Oliveira, Claudia Mendes and Krabbe, Angela C. and Castelli, Analía V. Smith and Oliveira Schwarz, Gustavo B. and Nakazono, Lilianne and Demarco, Ricardo and Carvalho, Maiara S. and Schoenell, William and Ribeiro, Tiago and Kanaan, Antonio and Sarai...

  241. [252]

    First X-ray catalogues and data release of the western Galactic hemisphere

    The SRG/eROSITA all-sky survey. First X-ray catalogues and data release of the western Galactic hemisphere. , keywords =. doi:10.1051/0004-6361/202347165 , archivePrefix =. 2401.17274 , primaryClass =

  242. [253]

    , keywords =

    SCALE: Using S-PLUS photometric information to analyse the brightest cluster galaxy alignment with satellite galaxies. , keywords =. doi:10.1051/0004-6361/202556043 , adsurl =

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