Galaxies & Cosmology
Galaxy formation, evolution, structure, and cosmological simulations.
astro-ph.GA · 331 papersFrom DES to KiDS: Domain adaptation for cross-survey detection of low-surface-brightness galaxies
Leveraging domain adaptation and deep learning, this paper identifies over 20,000 low-surface-brightness galaxies (LSBGs) across surveys, crucial for future catalogs.
Photometric metallicity of Galactic RR Lyrae stars in the Gaia DR3 era
A new, highly reliable G-band relationship is presented for determining the metallicity of Galactic RR Lyrae stars using Gaia DR3 data.
COOL-LAMPS IX: A Rare Duo of Quasars Each Lensed by a Single Massive Galaxy Cluster
Astronomers discovered COOLJ1153+0755, a rare system featuring two distinct quasars each quadruply lensed by a single massive galaxy cluster.
First Light And Reionization Epoch Simulations (FLARES) XXI: The UV Indices of Galaxies in the Early Universe
This study combines simulations and spectral modeling to evaluate UV indices as stellar metallicity tracers in early universe galaxies, finding 1719Å most reliable.
Comparative analysis of missing data imputation methods for CSST survey: Impact on photometric redshift estimation performance
Evaluates imputation methods to improve photometric redshift accuracy amid missing data in CSST surveys.
The Accretion Process on Protostars
This paper reviews recent advancements in understanding protostellar accretion, integrating observational data with numerical models to provide a comprehensive assessment.
A Spatially Resolved HI Survey of Seyfert Galaxies: the Role of AGN Feedback in Shaping Atomic Gas Reservoirs
This study uses GMRT to survey Seyfert galaxies, finding AGN feedback doesn't disrupt global HI reservoirs but may inject turbulence internally.
The Metallicity Distribution of the Ultra-Faint Dwarf Galaxy Segue 1
New spectroscopic data for Segue 1, an ultra-faint dwarf galaxy, reveals its metallicity distribution, supporting a short, continuous star formation history.
The Panchromatic Hubble Andromeda Southern Treasury (PHAST). II. The Spatially Resolved Recent Star Formation History in M31
PHAST uses HST data to map M31's recent star formation history, revealing a global decline and issues with FUV-based SFR tracers.
SIMPLIFI -- Study of Interstellar Magnetic Polarization: a Legacy Investigation of Filaments. I. Magnetically-Guided Accretion onto the DR21 Ridge
SIMPLIFI reveals magnetic fields guide accretion in DR21, explaining star formation and observed velocities in molecular cloud filaments.
One Merge to Rule Them All: From Galaxy Interactions to Black Hole Mergers Using Horizon-AGN
Using Horizon-AGN, this study links galaxy mergers to black hole coalescences, revealing their co-evolution with stellar mass and redshift.
Unveiling Hidden Lyman Alpha Emitters in the DESI DR1 Data
A CNN-based method automatically detects 19,685 hidden Lyman Alpha Emitters in DESI DR1 data with high purity and completeness.
Photometric determination of the mass accretion rates of pre-main sequence stars. IX. Recent star formation in the periphery of NGC 346
Characterizing PMS stars and accretion rates in NGC 346's periphery, this study shows massive star UV radiation erodes circumstellar discs.
Precessing Black Hole Jets and Galactic Fossils
This paper proposes a unified model where a precessing jet from SgrA* explains both the Galactic Centre gamma-ray excess and the Fermi/eROSITA bubbles.
A tool of Hierarchical cOre ideNtification and Kinematic property AssIgnment (HONKAI) for Dense Cores
HONKAI is a new tool for identifying hierarchical structures in IRDCs, revealing that most dense cores are self-gravitating but few are poised for massive star formation.
A hierarchical Bayesian pipeline for soliton-plus-NFW inference on SPARC rotation curves: diagnostics and prior-boundary behaviour
A new hierarchical Bayesian pipeline analyzes SPARC galaxy rotation curves to test fuzzy dark matter models, finding no clear soliton component.
Exploring the stellar streams and satellites around the giant low surface brightness galaxy Malin 1
This paper explores the orbital dynamics of satellites and stellar streams around the giant low surface brightness galaxy Malin 1 to understand its formation and evolution.
The Extended Plane of the Local Supercluster
This paper updates evidence showing luminous galaxies, radio galaxies, and clusters correlate with the Local Supercluster plane up to 400Mpc.
Tracing Radio AGN-Driven Quenching in Post-Starburst Galaxies at Cosmic Noon
Researchers found that cosmic noon post-starburst galaxies show evidence of weak radio AGN, suggesting a short duty cycle for quenching.
Survey Footprint Explorer: A Browser-Based Interactive Tool for Visualizing and Cross-Matching Astronomical Survey Footprints
Survey Footprint Explorer is a browser-based tool for visualizing and comparing sky footprints of 13 major astronomical imaging surveys.
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