Astrophysics · Physics & Astronomy
Astrophysics of Galaxies
The newest papers in Astrophysics of Galaxies that ReadSearch has read, newest first. Each links to its own page, with its authors, date, where it was published and the original.
1,212 papers, from 6 September 2026 to 5 November 2026: 1,212 arXiv preprints.
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Newest papers, page 61
The oldest low-$α$ thin disc stars
The formation pathway of the $α$-poor Milky Way thin disc remains under debate.Giant Low-Surface Brightness Galaxies in the Global Picture of Galaxy Formation and Evolution
Giant low-surface brightness galaxies (gLSBGs) challenge standard merger-driven galaxy assembly models due to their large, dynamically cold disks, with radii often larger than 100~kpc and dynamical…First Trigonometric Parallax Measurements with the KVN and VERA Array (KaVA)
To demonstrate the astrometric capability of the combined Korean VLBI (Very Long Baseline Interferometry) Network (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA), we conducted…A radial basis of massless potential-density pairs
In the matrix method for linear perturbations of spherical stellar systems, the perturbed potential and density are expanded over a set of potential-density pairs.Using Machine Learning to Model Stellar Collisions in our Galactic Center
Direct collisions in the inner pc of the Galactic center can alter the orbits and properties of stars.Calcium Triplet Absorption is Common around Little Red Dots
We present new evidence for an optically thick atmosphere surrounding Little Red Dots (LRDs) in the form of Ca absorption at rest-frame 8500A, the calcium triplet (CaT).SALVAGE II: no systematic molecular gas depletion in the central 2 kpc of AGN hosts
In cosmological simulations, active galactic nuclei (AGN) feedback is found to be necessary for the shutdown of galaxy-wide star-formation by heating and/or removing molecular gas.CHASE Spectral Survey I: Measuring Contamination in the Color-selected J-region Asymptotic Giant Branch Distance Indicator
The J-region asymptotic giant branch (JAGB) method for distance measurements uses the near uniform luminosity of carbon-rich AGB stars as a standard candle.PEGASUS (Pfs Emission-line GAlaxy SUrvey with Subaru): I. Three-dimensional large-scale structures at $z > 1$ probed with emission-line galaxies
To comprehensively understand the environmental effects on galaxy evolution, it is crucial to precisely map the distribution and thoroughly examine the properties of galaxies, including low-mass…1I/'Oumuamua-like objects's SFDs with older, current and future surveys
Interstellar Objects (ISOs) may provide direct evidence of planetesimals ejected from early-stage solar systems.Closed-Form of the Local Galactic Potential and Stellar Distribution Function from Gaia DR3
The local dark matter density determines the strength of the signal expected in direct-detection experiments, yet published estimates from stellar motions disagree by more than their errors, and the…Deep learning from the crowd Fundamentals of morphological galaxy classification
The objective of this work is to adapt a deep neural network model to perform galaxy morphological classification trained from crowd annotations, considering the training scheme, the agreement…