The radial acceleration relation persists at intermediate redshifts but with a characteristic acceleration scale that increases linearly with redshift.
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- other NGC 1068 094.B-0321(A) 64.6" x 63.8" 5.29 x 5.16 0.9" 2014-10-06 NGC 253 0102.B-0078(A) 87.4" x 87.2" 1.51 x 1.51 0.9" 2018-11-07 NGC 1320 108.229J.001 63.6" x 63.8" 12.51 x 12.55 0.7" 2022-01-07 13h25m30s 29s 28s 27s 26s 25s □43◦00′45′′ 01′00′′ 15′′ 30′′ RA DEC N 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1" 200pc -17 -16.5 -16 -15.5 -15 log(F lux) [erg cm□2s□1] (a) Centaurus A, H α line map. 2h42m42s 41s 40s 39s □0◦00′15′′ 30′′ 45′′ 01′00′′ 15′′ RA DEC N 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
- method analysis, as described in the following. Since all sources but one (J103853.29+392151.12) show only narrow emission lines, we used the stellar velocity dispersion (σ∗) found through the fitting of the stellar kinematic component to estimate the BH mass. To do this, we used the relation from McConnell & Ma (2013): log10 MBH M⊙ =(8.32±0.05)+(5.64±0.32) log 10 σ∗ 200 km s−1 . (1) Using these mass estimates, we derived the corresponding Eddington (1916) luminosity (LEdd) of each AGN in the 2
- method about these mechanisms in Appendix B. 1.3. Cluster relaxation and core-collapse Any gravitationally bound system undergoes dynamical relax- ation driven by the continuous dynamical interactions among its constituents. In a star cluster, this process occurs over a timescale (Spitzer 1969; Binney & Tremaine 2008): trel =4.2 Gyr 15 lnΛ c ! Rh,cl 4 pc ! s Mcl 107 M⊙ ,(1) called half-mass relaxation time, which depends on the cluster mass (Mcl) and the radius within which half of the cluster mass is
- method the star-galaxy separation by selecting objects that have a half- light radius larger than 0 .′′09. At the same time we removed faint galaxies with very large (and often non-physical) size es- timates, which can occur for very noisy objects. The magnitude- dependent selection that we adopted for this keeps objects with a half-light radius less than [−0 .′′1875 (IE − 24) + 1 .′′85]. This se- lection excludes all objects with a half-light radius larger than 1 .′′85 at IE = 24, but this limit incre
- method We follow the approach described by Leja et al. (2019a) with prior continuity. The continuity prior constrains the ratio of SFRs between the consecutive time-steps. This approach results in re- duced burstiness, that is, fewer rapid changes in SFR in time. The SFR changes follow the Student-t distribution, which is de- scribed by: PDF(x, ν)= Γ ν+1 2 √νπΓ ν 2 1+ (x/σt)2 ν !− ν+1 2 ,(1) whereΓis the Gamma function,νis the degree of freedom, and σt is the scale factor. Since with Student-t
- background covering the wavelength of the H 2 line of interest is shown in Figure 1. This data is yet to be corrected for tellurics or blaze; as such it has arbitrary flux units and displays an upward trend with wavelength. Article number, page 3 of 16 A&A proofs:manuscript no. aanda Table 1: Stellar and Disk Parameters for HD 131488 and HD 110058. Parameter HD 131488 References HD 110058 References Spectral Type A1 V [1] A0 V [2] R.A. (J2000) 14 55 08.03 [1] 12 39 46.14 [2] Decl. (J2000) -41 07 13.3 [1] -
co-cited works
representative citing papers
High-eccentricity tidal migration reproduces the Neptunian ridge as a density-dependent survival band and matches the desert boundary slope using one tidal encounter parameter.
Cold CGM clouds under quasar radiation follow optically thin ionization, radiation-shielded, or rocket-effect paths, with the latter increasing Lyα luminosity up to 10x and bright quasars fully ionizing the cold gas while faint ones drive rocket effects.
Four transiting sub-Neptunes with radii measured to <1.7% precision and masses >3 sigma for three planets, plus an outer non-transiting companion, discovered around TOI-5624 via TESS, CHEOPS photometry, and ground-based RV data.
Phylogenetic trees from stellar chemical abundances in a simulated disc galaxy reveal distinct structures in inner versus outer regions, indicating rapid early enrichment inside and smoother gradients outside.
Spectroscopic confirmation establishes the first intermediate-age RR Lyrae star as a member of open cluster Trumpler 5, with velocity and [Fe/H] matching the cluster but some element depletions.
Broad parameter study with detailed dust evolution code finds most outer dust traps leaky, producing long-lived O-rich inner discs with C/O < 1, while planetesimal formation is needed for strong blocking.
NLTE calculations indicate strontium is required to explain the onset of the 1μm feature at early times in AT2017gfo, while helium can dominate at later epochs with plausible masses.
Massive neutrinos leave distinct imprints on specific triangle configurations in the three-point correlation function of halos, with patterns that differ from sigma_8 variations and thus help break their degeneracy.
Galaxies at z>1 show N/O ratios elevated by a median 0.18 dex at fixed O/H relative to local trends, reaching 0.4-0.5 dex at low metallicity.
Multi-wavelength data on Aql X-1's 2024 outburst reveal an optical lead of up to 13 days over X-rays and a 12-hour hard-to-soft state transition.
First direct H2 measurements in two CO-rich exocometary belts yield CO/H2 lower limits of >1.35e-3 and >3.09e-5, showing the gas is H2-poor and supporting secondary exocometary origin.
Detection of 17.26-day eclipses in KQ Puppis reveals it as a hierarchical triple with dynamical masses of ~10 M⊙ for the RSG and ~14 M⊙ for the inner pair, plus the first orbital parallax for any red supergiant.
RX Gru is a pre-main-sequence eclipsing binary with twin components of mass ~1 solar mass each, age ~28 Myr, and a circumbinary companion of minimum mass 89 Mjup in a 23.8-year orbit.
Stellar mass functions in the peaks of the Hyperion protostructure at z~2.5 show a mass-dependent excess relative to the field, with ~10x enhancement at log(M*/M⊙)~11 versus ~3.5x at log(M*/M⊙)~9.5.
Euclid early release observations of Abell 2390 yield consistent weak lensing mass estimates from three shape catalogs and tomographic bins after contamination corrections.
EUV observations show hot prominence spicules generated by turbulence in cool solar filaments that may channel mass into the corona and aid filament evaporation.
FICO procedure yields average precisions of 2.3% mass, 0.82% radius, 6.9% age and 0.49% mean density for 95 solar-like stars, outperforming direct frequency fitting for stars above 1.15 solar masses or 6050 K.
In Auriga Superstars simulations, old stellar morphological lopsidedness correlates strongly with HI lopsidedness at z=0, with tidal interactions inducing coherent asymmetries in both while smooth accretion primarily affects gas and young stars.
Ultra-thick warm absorbers form a new subclass of AGN ionized outflows with exceptionally high column densities and moderate ionization that drive strong variability and may connect to ultra-fast outflows.
A vision transformer classifier trained on simulated and real Euclid data recovers all known strong lenses in test sets and finds 8 Grade A plus 26 Grade B new candidates in the Q1 data.
Hybrid deep learning models recover large frequency separation, frequency of maximum power, and dipole period spacing from low-resolution Gaia XP spectra with accuracy comparable to moderate-resolution spectroscopy.
Numerical models of neutron star atmospheres from fusion ashes show a radiation-pressure layer limiting flux and absorption edges tied to chemical composition, with fits to diluted blackbodies plus edges for X-ray burst interpretation.
Near-critical magnetic fields of 100-700 kG confined below the H-burning shell are inferred in eight Kepler red giants via non-perturbative modeling of mixed-mode frequencies, identifying components as m=0 and m=1 rather than m=±1.
citing papers explorer
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MUSE-DARK III: The evolution of the radial acceleration relation at intermediate redshifts
The radial acceleration relation persists at intermediate redshifts but with a characteristic acceleration scale that increases linearly with redshift.
-
The Neptunian ridge as a natural outcome of high-eccentricity tidal migration
High-eccentricity tidal migration reproduces the Neptunian ridge as a density-dependent survival band and matches the desert boundary slope using one tidal encounter parameter.
-
The hydrodynamical response of cold circumgalactic clouds to quasar radiation
Cold CGM clouds under quasar radiation follow optically thin ionization, radiation-shielded, or rocket-effect paths, with the latter increasing Lyα luminosity up to 10x and bright quasars fully ionizing the cold gas while faint ones drive rocket effects.
-
The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations
Four transiting sub-Neptunes with radii measured to <1.7% precision and masses >3 sigma for three planets, plus an outer non-transiting companion, discovered around TOI-5624 via TESS, CHEOPS photometry, and ground-based RV data.
-
Reconstructing chemical enrichment pathways in disc galaxies: A phylogenetic approach
Phylogenetic trees from stellar chemical abundances in a simulated disc galaxy reveal distinct structures in inner versus outer regions, indicating rapid early enrichment inside and smoother gradients outside.
-
No country for old stars -Spectroscopic confirmation of the first intermediate-age RR Lyrae in the open cluster Trumpler 5
Spectroscopic confirmation establishes the first intermediate-age RR Lyrae star as a member of open cluster Trumpler 5, with velocity and [Fe/H] matching the cluster but some element depletions.
-
How leaky? A large parameter study of leaky dust traps to quantify the transport of pebbles and ice in protoplanetary discs
Broad parameter study with detailed dust evolution code finds most outer dust traps leaky, producing long-lived O-rich inner discs with C/O < 1, while planetesimal formation is needed for strong blocking.
-
Strontium and helium in the kilonova AT2017gfo: Origin of the 1{\mu}m feature constrained via NLTE calculations
NLTE calculations indicate strontium is required to explain the onset of the 1μm feature at early times in AT2017gfo, while helium can dominate at later epochs with plausible masses.
-
The imprints of massive neutrinos on the three-point correlation function of large-scale structures
Massive neutrinos leave distinct imprints on specific triangle configurations in the three-point correlation function of halos, with patterns that differ from sigma_8 variations and thus help break their degeneracy.
-
Tracing nitrogen enrichment across cosmic time with JWST
Galaxies at z>1 show N/O ratios elevated by a median 0.18 dex at fixed O/H relative to local trends, reaching 0.4-0.5 dex at low metallicity.
-
Aql X-1 from dawn 'til dusk: the early rise, fast state transition and decay of its 2024 outburst
Multi-wavelength data on Aql X-1's 2024 outburst reveal an optical lead of up to 13 days over X-rays and a 12-hour hard-to-soft state transition.
-
High CO/H2 ratios supports an exocometary origin for a CO-rich debris disk
First direct H2 measurements in two CO-rich exocometary belts yield CO/H2 lower limits of >1.35e-3 and >3.09e-5, showing the gas is H2-poor and supporting secondary exocometary origin.
-
Hidden massive eclipsing binaries in red supergiant systems: The hierarchical triple system KQ Puppis and other candidates
Detection of 17.26-day eclipses in KQ Puppis reveals it as a hierarchical triple with dynamical masses of ~10 M⊙ for the RSG and ~14 M⊙ for the inner pair, plus the first orbital parallax for any red supergiant.
-
RX Gru: a short-period pre-main-sequence eclipsing binary with a distant circumbinary companion
RX Gru is a pre-main-sequence eclipsing binary with twin components of mass ~1 solar mass each, age ~28 Myr, and a circumbinary companion of minimum mass 89 Mjup in a 23.8-year orbit.
-
The HST-Hyperion Survey: Environmental Imprints on the Stellar-Mass Function at z~2.5
Stellar mass functions in the peaks of the Hyperion protostructure at z~2.5 show a mass-dependent excess relative to the field, with ~10x enhancement at log(M*/M⊙)~11 versus ~3.5x at log(M*/M⊙)~9.5.
-
Euclid: Early Release Observations. Weak gravitational lensing analysis of Abell 2390
Euclid early release observations of Abell 2390 yield consistent weak lensing mass estimates from three shape catalogs and tomographic bins after contamination corrections.
-
Hot prominence spicules launched from turbulent cool solar prominences
EUV observations show hot prominence spicules generated by turbulence in cool solar filaments that may channel mass into the corona and aid filament evaporation.
-
Asteroseismic modelling of main-sequence solar-like stars and Kepler exoplanet host stars with the FICO procedure I. Catalogue of fundamental stellar properties
FICO procedure yields average precisions of 2.3% mass, 0.82% radius, 6.9% age and 0.49% mean density for 95 solar-like stars, outperforming direct frequency fitting for stars above 1.15 solar masses or 6050 K.
-
Coupling between stellar and HI lopsidedness in Milky Way-type galaxies from the Auriga Superstars cosmological simulations
In Auriga Superstars simulations, old stellar morphological lopsidedness correlates strongly with HI lopsidedness at z=0, with tidal interactions inducing coherent asymmetries in both while smooth accretion primarily affects gas and young stars.
-
Ultra-thick warm absorbers: Enlarging the parameter space of AGN ionised outflows
Ultra-thick warm absorbers form a new subclass of AGN ionized outflows with exceptionally high column densities and moderate ionization that drive strong variability and may connect to ultra-fast outflows.
-
Euclid Quick Data Release (Q1). AstroVink: A vision transformer approach to find strong gravitational lens systems
A vision transformer classifier trained on simulated and real Euclid data recovers all known strong lenses in test sets and finds 8 Grade A plus 26 Grade B new candidates in the Q1 data.
-
Potential of Gaia XP Spectra in Red Giant Star Asteroseismology: A Deep-Learning Approach
Hybrid deep learning models recover large frequency separation, frequency of maximum power, and dipole period spacing from low-resolution Gaia XP spectra with accuracy comparable to moderate-resolution spectroscopy.
-
Neutron star atmospheres composed of fusion ashes
Numerical models of neutron star atmospheres from fusion ashes show a radiation-pressure layer limiting flux and absorption edges tied to chemical composition, with fits to diluted blackbodies plus edges for X-ray burst interpretation.
-
Near-critical magnetic fields in Kepler red giants
Near-critical magnetic fields of 100-700 kG confined below the H-burning shell are inferred in eight Kepler red giants via non-perturbative modeling of mixed-mode frequencies, identifying components as m=0 and m=1 rather than m=±1.
-
Paschen Jumps in Little Red Dots: Evidence for Nebular Continua
Paschen jumps in Little Red Dots indicate their continua originate from free-bound recombination emission in low-temperature nebular gas rather than thermalized or AGN components.
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Effects of the radiative interior on solar inertial modes
Including the Sun's radiative interior in inertial mode models slightly modifies frequencies and surface eigenfunctions for most modes but enables mixed Rossby-inertial modes with high interior mode mass that are hard to excite stochastically.
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SLICE -- Combining Strong Lensing and X-ray in AC 114. Further Insights into the Merger Scenario
Combined JWST lensing and X-ray analysis shows AC114 as the main cluster in a late post-collisional major merger with a gas-stripped companion AC114b located about 1 Mpc to the northwest.
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Giant outbursts of clumpy material preceding Type II supernova 2024qiw
SN 2024qiw exhibits evidence of multiple major pre-explosion eruptions of clumpy circumstellar material at rates of at least 0.01 solar masses per year, implying LBV-like activity immediately before a Type II supernova.
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Radiation-mediated shocks in gamma-ray bursts: spectral evolution
Simulations of radiation-mediated shocks in a GRB internal collision produce a ~0.1 s pulse at 23% efficiency with an evolving spectrum showing Ep decreasing from ~250 keV to ~100 keV and high-energy index beta from -2 to -2.4.
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Exoplanet climate characterization with transit asymmetries -- A comprehensive population study from the optical to the infrared
Population modeling of 50 tidally locked gas giants predicts cloud-driven evening-to-morning transit asymmetries reaching 500 ppm in optical bands for ultra-hot Jupiters, with regime-specific patterns from warm to ultrahot climates.
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Towards an application of fourth-order shear statistics I. The information content of $\langle M_\mathrm{ap}^4 \rangle $
Derives filters for fourth-order aperture statistics, implements a numerical pipeline achieving 2% precision on Gaussian random fields, and forecasts only minimal extra cosmological constraining power when added to second- and third-order aperture statistics in a DES-Y3-like non-tomographic analysis
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Discrete-time autoregressive model for unequally spaced time-series observations
A new discrete-time autoregressive model (CIAR) is proposed for irregular time series; it is shown to be weakly stationary, admits a state-space representation for Kalman estimation, and is applied to stellar light curves for model checking and forecasting.
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Iron He-triplet signatures of shocks in the hottest galaxy clusters. Z/W line ratio, line broadening, and electron-ion temperature equilibration
Shocks in the hottest galaxy clusters produce observable Z/W ratios in the Fe XXV triplet and ion-temperature line broadening that can constrain electron heating and temperature equilibration with XRISM.
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Invariant manifolds in barred galaxy simulations. I. Material density waves
Spiral arms in barred galaxies are material structures sustained by manifold-compatible particles migrating outward from the bar, with the surrounding disc acting as material density waves.
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The PHANGS-H{\alpha} survey. Ground-based narrow-band imaging of nearby star-forming galaxies
PHANGS-Hα provides new narrow-band Hα imaging and derived star formation products for 65 nearby galaxies, validated against MUSE spectroscopy and serving as calibration reference for the PHANGS collaboration.
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Radiative feedbacks as drivers for quasi-periodic-oscillation activity in black-hole X-ray binaries
Radiative feedback from disk-reprocessed soft photons produces limit-cycle oscillations whose frequency and spectra match observed type-C QPOs in black-hole X-ray binaries for suitable coronal parameters.
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Impact of Primordial Black Hole population on 21 cm observables at high redshift
X-ray heating from primordial black holes assumed to seed high-redshift AGNs shallows the global 21-cm absorption signal and suppresses its power amplitude at cosmic dawn, with strong dependence on the PBH mass function.
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Enhanced activity in close dual-AGN systems in the local Universe
Close dual-AGN systems exhibit increased obscuration, higher bolometric luminosity, and elevated Eddington ratios for the less massive black hole as projected separation decreases, with excess AGN pairs relative to controls.
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Euclid. Populating a dark universe with galaxies using SciPIC
SciPICal calibrates galaxy properties in halo-based mocks for Euclid, delivering improved clustering predictions and a deep catalogue validated to 15 percent against observations.
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Resolving circumgalactic gas flows around a z$\approx$3.6 quasar using MUSE and ALMA
High-resolution observations show asymmetric, blueshifted circumgalactic gas and one of the densest known galaxy concentrations around a z≈3.66 quasar.
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VST-SMASH: VST Survey of Mass Assembly and Structural Hierarchy I. Survey presentation and deep photometry of IC 5332: tracing the mass assembly in the challenging faintest-end regime
Deep g,r,i photometry of IC 5332 shows redder color gradients in the outskirts and faint stellar streams, supporting ongoing stellar mass assembly via accretion.
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Galactic-scale evolution of classical and complex radio galaxies. Impact of ambient morphology and jet geometry
Jet propagation along a triaxial galaxy's major axis produces X-shaped radio morphologies while minor-axis alignment yields classical double-lobed sources, with intermediate angles creating regenerative boomerang structures.
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The PLATO Input Catalogue of targets (tPIC) for the first Long Pointing Field
tPIC2.2 supplies a list of 217,741 stars for PLATO's LOPS2 field, including 202,315 FGK dwarfs/subgiants and 15,037 M dwarfs with uniformly estimated temperatures, radii, and masses.
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Kinematic scaling relations of disc galaxies from ionised gas at $z\sim1$ and their connection with dark matter haloes
At z=0.9, disk galaxies show a TFR slope of 3.82 and FR slope of 0.44 with moderate TFR and strong FR evolution from z=0, implying higher and less mass-dependent stellar-to-halo mass fractions f_M while f_j remains near 0.8.
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APOGEE chemical abundances of stars in the MW satellites Fornax, Sextans, Draco and Carina
Alpha-element distributions in Fornax, Sextans, Draco, and Carina correlate with galaxy luminosity while nitrogen-rich stars in Fornax suggest destroyed globular cluster relics.
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Euclid Quick Data Release (Q1). The average far-infrared properties of Euclid-selected star-forming galaxies
Stacking analysis of Euclid Q1 galaxies with Herschel/SCUBA-2 data yields average dust temperatures following T2 + (T1-T2)exp(-t/τ) converging to ~23 K at low redshift, decreasing dust-to-stellar mass ratios, and >60% contribution to the CIB at 250-500 μm.
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Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): V721 CrA and BN CrA have wide and structured disks in polarised IR
SPHERE H-band observations resolve a smaller, thicker, brighter disk with inner spirals around V721 CrA and a larger disk with a dark lane around BN CrA, both consistent with their locations in the CrA star-forming region.
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Seeds to success: growing heavy black holes in dense star clusters
Simulations indicate stellar collisions dominate intermediate-mass black hole formation across cluster types, with potential to explain local globular cluster candidates and predict wandering IMBHs in Milky Way-like galaxies.
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Euclid preparation. XCVI. Cosmology Likelihood for Observables in Euclid (CLOE). 3. Inference and Forecasts
CLOE pipeline produces forecasts showing Euclid can reach FoM >400 for dark energy w0 and wa by combining primary probes on synthetic data.
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The evolution of velocity dispersion in the Sco-Cen OB association
Sco-Cen shows abrupt jumps and plateaus in velocity dispersion correlated with star formation bursts, indicating isotropic expansion, inside-out propagation at 5-6 km/s, and stellar feedback as the primary driver.