Discovery and characterization of the highest-redshift barred spiral galaxy candidate at z=5.102, with bar length ~4.5 kpc, stellar mass 10^10.45 solar masses, SFR 144 solar masses per year, and evidence for AGN and interaction.
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representative citing papers
First joint 2PCF+3PCF full-shape analysis on BOSS DR12 real data improves σ(h) by ~29%, σ(ω_cdm) by ~10%, and σ(A_s) by ~24% over 2PCF alone via extra BAO information in 3PCF triangles.
Discovery of PSR J0125-5854, a 24 ms pulsar in a binary with orbital period ~834 days, low eccentricity, and likely helium white dwarf companion.
A 4.46 solar-mass black hole is found in a 94-year eccentric orbit with a main-sequence turnoff star in ω Centauri via 23-year astrometric monitoring.
Detection of a variable stratified UFO with velocities 0.1c and 0.3c, extreme mass outflow rates, and kinetic powers of 1-10% of bolometric luminosity in quasar WISSH13 at z=3.294.
A new histogram-free likelihood method applied to simulated JWST observations of brown dwarfs shows that globular cluster ages can be determined with formal errors under 0.2 Gyr.
X-ray reverberation lags are used to measure the mass of the stellar-mass black hole Cygnus X-1 for the first time.
SMaSH+ survey data yields the first observationally grounded distributions of key parameters for 26 hierarchical massive triples, dominated by tight inner binaries and wider tertiaries with no strong mass-separation correlations.
Presents a normalized signed area statistic with Monte Carlo uncertainty propagation and surrogate-based significance testing for detecting hysteresis loops in ordered 2D spectral parameter trajectories.
Simulation study proposes that weakly rotating, gas-rich cosmic wallflowers at high redshift are natural proto-globular cluster candidates based on kinematics and densities.
Derives analytical solutions and fitting formulae for Lyα spectra under cylindrical geometry including recoil and velocity gradients, validated against Monte Carlo simulations.
Thermal instability produces steady-state temperature fluctuations in the ICM outside cluster cores when conduction is anomalously suppressed by heat-flux-driven instabilities, extending the unstable regime to over half the cluster volume.
GraphNPE recovers a significantly lower central density for Boötes I consistent with a core while Draco remains marginally cuspy, and demonstrates that higher-order velocity moments reduce bias in dynamical modeling.
Asteroseismic masses average 1.29 Msun for Ba dwarfs versus 1.96 Msun for Ba giants, supporting main-sequence accretion evolution from dwarfs to giants, though models fail to match the observed [hs/ls] ratio.
Anisotropic quenching is detected at the highest redshift yet and linked to preprocessing dominating over intrahalo effects by ~20% along the major axis in a delay-then-rapid quenching model informed by cluster accretion histories.
LLM embeddings condition generative networks for LHC events, yielding faster convergence, higher quality, and generalization to unseen processes.
JWST/MIRI detects [Ne V] 14.3 micron emission from O-star winds in 5 of 22 observed stars, enabling wind speed and mass-loss rate estimates even in weak-wind regimes.
Time-resolved XRISM spectroscopy of NGC 4395 reveals variable inner-disk Fe Kα emission interpreted as Lense-Thirring precession, favoring low black hole mass (~9e3 solar masses) and moderate spin (a≳0.6).
Detection of a non-harmonic QPO precursor to Type-B in the HIMS of MAXI J1820+070 using NICER timing data.
Phase-resolved high-resolution spectroscopy of CoRoT-2b measures sub-synchronous rotation at 2.6-sigma significance, consistent with its western hotspot offset.
New template-fitting selection yields 241 BH*-dominated LRD candidates at z~1.7-9.3 with number density peaking at z~5-6, demonstrating persistence to lower redshifts.
JWST MIRI observations of 634 galaxies at 0.2<z<2 yield IR luminosity functions with faint-end slope α≈0.147, implying lower dust-obscured SFRD than previous ALMA/Herschel/Spitzer studies.
A Runge-Kutta-Gegenbauer super-time-stepping method for stable, efficient handling of anisotropic non-ideal MHD diffusion.
VLBI at 4.9 GHz plus multi-epoch survey data reveal a fading parsec-scale radio component near the optical center of a dwarf galaxy, interpreted as transient ejecta from IMBH accretion.
citing papers explorer
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Analysis of synthetic OVI absorption associated with galaxy groups in SIMBA and TNG50 simulations
Both SIMBA and TNG50 simulations underpredict OVI covering fractions around galaxy groups compared to observations, with most absorbers being gravitationally bound.
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Galaxy Populations in the IllustrisTNG Caustic Skeleton
Galaxy properties in IllustrisTNG form a continuum across the multiscale caustic skeleton, with formation time of web components influencing colors and star formation activity.
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Gravitational Waves from the Cosmic Dawn: Tracing Cosmic Black Hole Binaries with ET, LGWA and LISA
Super-Eddington accretion boosts predicted LISA detections of high-redshift black hole binaries to ~64 per year while dropping ET detections to ~4 per year, compared to ~32 and ~64 under Eddington-limited growth.
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X-Ray Polarization from the Atoll 4U 1735-44 Suggests a Low Inclination
Marginal X-ray polarization detection in atoll source 4U 1735-44 is consistent with a low disk inclination of about 40 degrees inferred from relativistic reflection modeling.
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The Qz5 Survey (II): Metallicity Evolution of Damped Ly{\alpha} Systems Out to z$\sim$5
New observations of high-redshift DLAs show that the metallicity of neutral hydrogen gas drops sharply at z approximately 5.
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Constraining the Pulsar Beaming Fraction with TeV-Selected Galactic Pulsar Wind Nebulae and unidentified TeV Sources
TeV-selected PWNe and unidentified sources yield beaming fractions of 0.1-0.3 across radio, gamma-ray, and X-ray bands, with survey-to-survey differences explained by selection biases or older pulsars and reproducible via time-dependent opening angles.
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Probing the large-scale structure with 21cm-galaxy cross-bispectrum: Estimates from simulations and forecasts for upcoming cosmological surveys
Forecasts indicate 10-sigma detection for squeezed triangles and 100-sigma for combined shapes in the 21cm-galaxy cross-bispectrum with 100 hours of SKA-Mid interferometric observations on scales 0.2 to 0.9 per Mpc.
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Hot blue progenitors of stellar-mass black holes
Stellar evolution and atmosphere models predict black hole progenitors are predominantly hot and blue with a direct-collapse rate of ~0.4 per century in a 1 Msun/yr star-forming galaxy.
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The role of small-scale environments in the quenching of massive galaxies at $1<z<5$
Massive quiescent galaxies at high redshifts show elevated fractions in small-scale overdensities, indicating environmental quenching via galaxy interactions plays a major role.
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High Resolution X-ray Spectroscopy of the Nova-Like Cataclysmic Variable BZ Cam using Chandra HETG: Diagnosis of the ADAF-like (Advective) Hot Flow
Chandra HETG spectroscopy of BZ Cam diagnoses an ADAF-like advective hot flow with plasma densities of a few times 10^12-14 cm^-3, temperatures of 3-30 million K, and nonequilibrium ionization conditions.
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Oblique Shocks at Supernova Remnants in Massive Star Clusters: A Model for the Cosmic-Ray Knee Observed by LHAASO
Oblique shocks in massive star clusters accelerate cosmic rays to multi-PeV energies, reproducing the LHAASO-observed knee as a sequence of rigidity-dependent cutoffs from combined supernova and wind shocks.
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Extinction Distributions in Nearby Star-resolved Galaxies. II. M33
A 6-arcsecond resolution extinction map of M33 derived from RGB star color fitting shows dust up to 2.5 mag aligned with hydrogen, HI, and CO distributions.
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A Unified Model for Shock Interaction and $\gamma$-Ray Emission in Classical Novae
A toy model of reverse shocks in novae predicts GeV gamma rays near optical peak and potential TeV emission later, consistent with Fermi observations under an empirically thin post-shock layer.
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Identification of a Radio Counterpart to SN 2025ulz in the S250818k Localization Area
A faint radio counterpart to SN 2025ulz was detected at 6-10 GHz, consistent with either supernova ejecta interacting with circumstellar material or an off-axis jet, supporting possible superkilonova scenarios.
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Monitoring Volatile Evolution in Disrupting Comet D/2021 A1 (Leonard) with NOEMA and APEX
Pre-perihelion NOEMA and APEX observations of comet D/2021 A1 detect HCN and CS with CS mixing ratios increasing by a factor of five, linked to disruption processes alongside solar insolation.
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Formation and disruption of wide binaries in star clusters revealed by N-body simulations
N-body simulations show wide binaries disrupt rapidly in the first 10 Myr due to high-density encounters, with semi-analytical models matching the evolution and identifying young low-density clusters as optimal detection sites.
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HI Gas and Star Formation in Major Galaxy Pairs from the FAST All-Sky HI Survey (FASHI)
Close major galaxy pairs exhibit 8.8% lower HI gas fractions and 15% higher HI star formation efficiency in S+S systems than mass- and redshift-matched isolated controls.
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Revisiting the Perseus Cluster II: Metallicity-Dependence of Massive Stars and Chemical Enrichment History
New CCSN yield tables at varying metallicities are inserted into galactic chemical evolution models and tuned to reproduce the Si-group and Fe-group abundances measured by Hitomi in the Perseus Cluster.
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Towards precision cosmology with Voids x CMB correlations (I): Roman-Agora mock catalogs and pipeline validation
The authors introduce analog matching to generate Roman Space Telescope mock catalogs that reproduce emission-line galaxy statistics and highlight the need to match void properties separately from two-point clustering for CMB cross-correlation studies.
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The Impact of Supermassive Black Holes on Exoplanet Habitability. I. Spanning the Natural Mass Range
Larger supermassive black holes drive greater atmospheric heating, mass loss, and near-total ozone depletion on exoplanets, with effects strongest in energy-driven winds and closer to the galactic center.
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Weak-Lensing Analysis of the Galaxy Cluster Abell 85: Constraints on the Merger Scenarios of Its Southern Subcluster
Weak-lensing analysis of Abell 85 resolves three substructures and finds a ~2:1 mass ratio between the main cluster and southern subcluster, indicating a major ongoing merger.
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Is the Peculiar Galactic Center Transient Swift J174610.4-290018 A Nova Outburst?
Long-term X-ray monitoring indicates Swift J174610.4-290018 is a recurrent nova similar to RS Oph rather than an accretion-disk corona source.
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The impact of cosmic filaments on the abundance of satellite galaxies
Satellite abundance is higher in filaments than the field by factors of 1.9-3.5, but reduced up to 79% after halo mass matching and further suppressed by dark matter tracer choice in IllustrisTNG.
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The evolution of the galaxy stellar mass function and star formation rates in the COLIBRE simulations from redshift 17 to 0
COLIBRE simulations match observed galaxy stellar mass functions, star formation rates, and quenched fractions from z=17 to z=0, including JWST massive quiescent galaxies at high redshift.
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A Census of Variable Radio Sources at $3\,$GHz
A census of ~3600 variable compact radio sources at 3 GHz from VLASS epochs 1 and 2, with 5-9% showing >30% flux changes above 20-300 mJy and most consistent with blazars or quasars.
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Artificial Broadcasts as Galactic Populations: III. Constraints on Radio Broadcasts from the Cosmic Population of Inhabited Galaxies
Upper limits on the cosmic abundance of Kardashev Type III radio-broadcasting populations are set at less than one per 10^17 stars using radio source counts and commensal SETI field limits.
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From the Densest Clusters to the Emptiest Voids: No Evidence For Environmental Effects on the Galaxy Size-Mass Relation at Low Redshift
No significant environmental dependence is found for the galaxy size-mass relation at low redshift across clusters, voids, cluster masses, and cluster-centric distances.
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The Chicago Carnegie Hubble Program: Improving the Calibration of SNe Ia with JWST Measurements of the Tip of the Red Giant Branch
JWST TRGB distances to 10 SN Ia hosts update calibrations for 11 SNe yielding H0 of 68.4-69.6 km/s/Mpc and show modest shifts when combined with prior HST data.
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The Impact of Bars, Spirals and Bulge-Size on Gas-Phase Metallicity Gradients in MaNGA Galaxies
Observational study finds spiral structure correlates with steeper metallicity gradients, larger bulges with shallower gradients and higher metallicities, but no gradient differences from bars or spiral winding tightness.
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The Pantheon+ Analysis: The Full Dataset and Light-Curve Release
Pantheon+ releases 1701 light curves from 1550 spectroscopically confirmed Type Ia supernovae across 18 surveys for cosmological inference.
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New Beta Cephei stars with KELT
Frequency analysis of KELT photometry identifies 113 Beta Cephei stars (86 new) plus 96 candidates among known O/B-type stars.
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A Principal Component Analysis-based method to analyse high-resolution spectroscopic data
A PCA and CCF pipeline for detecting CO and H2O in hot Jupiter atmospheres from CRIRES data agrees with prior literature results.
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Unraveling the Imprints of Fluctuation-dynamo on the Intracluster Medium with the SKA
MHD simulations indicate that SKA-Mid Band 5a can detect filamentary polarized emission from ICM magnetic fields at high resolution and sensitivity, allowing inference of turbulence driving scales.
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Semi-empirical Predictions for Ultra-deep Radio Counts of Star-forming Galaxies with the SKAO
SEMPER predicts SKA-Mid Band 2 observations in under 20 hours will recover at least 20% of the total SFRD from radio-emitting SFGs up to z≈6, including NIR-dark galaxies.
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Probing the Nature of Lyman Continuum Emitting and Low-metallicity Galaxies Using the SKA
SKA-Mid is predicted to yield samples of 10-100 low-metallicity Lyman continuum emitting galaxies per square degree, enabling multi-wavelength studies of feedback processes linked to ionizing photon escape.
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Probing the molecular gas content of galaxies in an over-dense group at z~0.7: a test case for environmental quenching
CO observations of the COSMOS-Gr30 group at z~0.7 show average molecular gas contents reduced by 0.5 dex relative to field galaxies, with gas fractions 20-40% of main-sequence values, plus an upper limit on cold gas in the extended ionized structure.
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Fast Simultaneous Surveys with On-the-Fly Mapping
MeerKLASS applies on-the-fly imaging on MeerKAT for a 10,000 sq. deg. UHF-band continuum survey at 14 arcsec resolution and 25 μJy/beam rms, run commensally with HI intensity mapping.
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Initial Mass Functions of Young Stellar Clusters from the Gemini Spectroscopic Survey of Nearby Galaxies. II. Young Clusters in NGC 1313
Spectroscopic fitting of 11 clusters in NGC 1313 yields top-light IMFs (flatter than Salpeter/Kroupa for >0.8 Msun) that correlate with higher cluster mass.
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A new $H_0$ measurement with SNe Requiem and Encore using $\texttt{Gravity.jl}$
New H0 = 67.0 +9.3/-7.8 km/s/Mpc from joint lens-model fit to time delays of SN Requiem and SN Encore in MACS J0138.0-2155.
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Synergies Between Pulsar Timing Array and Astrometry
Joint SKA PTA and astrometry analysis improves gravitational wave background detection sensitivity by 10-50%.
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Galactic Cosmic Ray Transport in the Giant Circumgalactic Medium Halo
Galactic cosmic rays in a giant CGM halo develop an extended 1/r spatial tail and broader age distribution while remaining consistent with secondary-to-primary ratio data.
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Tracing Large-scale Structure with the MeerKLASS On-the-Fly Survey: Angular Clustering of Radio Sources at 816 MHz
First measurement of angular clustering w(theta) for radio sources at 816 MHz over 800 deg2 yields positive signal and effective bias 1.53-2.0 depending on N(z) prior.
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Shape-Preserving Evolution of the Global Ultraviolet Quasar Luminosity Function to $z\simeq7.5$
Shape-preserving LADE models with fixed local LF shape provide the statistically preferred description of UV QLF evolution to z~7.5 over flexible alternatives based on AIC/BIC.
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The Fundamental Planes of Black Hole Activity for High-Synchrotron-Peaked BL Lacertae Objects
A sample of 69 HBLs yields intrinsic radio-X-ray correlation L_R,int ∝ L_X,int^0.68 and fundamental plane log L_R,int = 0.57 log L_X,int + 0.33 log M_BH + 12.65, consistent with synchrotron cooling model for X-ray emission.
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All-sky modeling of Galactic emission at radio and microwave frequencies
The authors produce a new all-sky Galactic emission model with synchrotron amplitude at 4.76 GHz roughly twice the Planck 2015 value, derived via Commander fitting to recent radio and microwave surveys.
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Clumpy Disk, Interloper, or Merger? Nature of a Distant Galaxy Pair at 5 kpc Projected Separation
Multi-band imaging and Keck spectroscopy identify a z=0.92 galaxy pair as a physical merger at ~5 kpc projected separation with merger-induced star formation.
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Investigating the Spectral Properties of Dual Nuclei in Galaxy Mergers from the GOTHIC survey: Supermassive Black Hole Growth, metal enrichment and Dual AGN
Spectroscopic analysis of dual nuclei shows SMBH masses higher in galaxy mergers than single nuclei at fixed stellar mass.
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LEGGOS II: A Strong Lens Model and Source-Plane Projection of the Clumpy Star-Forming Galaxy SGASJ111020.0+645950.8 at z=2.48
An updated strong lensing model of SDSSJ1110+6459 using JWST-resolved clumps yields M(<250 kpc) = 1.21^{+0.09}_{-0.04} imes 10^{14} M_/sun, heta_E = 10.8^{+0.3}_{-0.4} arcsec, and \mu_tot = 24.2^{+3.4}_{-1.2} with 2-8 imes better magnification precision than prior models.
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The SPHEREx View of Galaxy Clusters: A Simulation-based Validation of the Forced Photometry Pipeline for Extended Sources
Simulations show SPHEREx photometry is generally unbiased but source blending drives outliers; with brightness selection, photometric redshifts reach σ_NMAD ≈ 0.003-0.01 and cluster redshifts are recovered to |Δz|/(1+z) < 0.002 at z ≲ 0.5.
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Variability in Cosmological Hydrodynamical Simulations: how Stochastic Processes, Numerical Effects, and Reproducibility Limits impact Predictability
Four controlled identical realizations of a galaxy-cluster zoom-in simulation reveal 10-25% variability in galaxy masses driven by stochastic processes and modulated by feedback, establishing a noise-dominated but statistically reproducible regime at low resolution.