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 38
The $R$-Process Alliance: On J0010$-$1735, an Accreted, Chemically Unusual, Metal-poor Star with $R$-process Enhancement
We present a detailed chemo-dynamical analysis of the chemically peculiar very metal-poor ([Fe/H]$=-2.22\pm 0.11$) Milky Way (MW) halo star, 2MASS J00101758$-$1735387 (hereafter J0010-1735)…The Galactic disk structure revealed by Gaia XP spectra
The spatial structures of chemical populations constrain Galactic disk evolution and its underlying physical processes.Photometric Identification and Dynamical Purification of Blue Horizontal Branch Stars in DESI MWS DR1
Blue horizontal-branch (BHB) stars are ideal tracers for mapping the structure of the Galactic stellar halo.The NIVARIA-Local Group simulations: Unveiling the origin of rotation curve diversity in dwarf galaxies and its connection to galaxy morphology
Dwarf galaxies exhibit a large diversity in rotation curve shapes, challenging galaxy formation models within the $Λ$CDM paradigm.Decomposing the Kinematics of SNR G180.0-01.7 with Medium-Resolution Spectra
The exceptionally large angular diameter and intrinsic optical faintness of the Galactic supernova remnant (SNR) G180.0-01.7 (S147) have historically hindered a comprehensive spectroscopic census of…An Ultraviolet Instrument on the Habitable Worlds Observatory: Considerations and Capability Trades on the Multi-Object, Integral-field, and High-resolution modes of a potential UVI
The Habitable Worlds Observatory (HWO) is NASA's next-generation astrophysics platform, delivering transformative capability in the search for life and study of the origins of the universe.Redshifted Cool Gas in the Disturbed HI Disk of the Starburst Dwarf NGC 4214
We report redshifted cool gas toward the central star-forming region of the nearby starburst dwarf galaxy NGC 4214.A Relationship Between Fast Radio Burst Dispersion Measure and Host Galaxy Inclination
It is commonly thought that fast radio bursts (FRBs) trace star formation, and that they are produced by magnetars.The Population of Type~1 Active Galactic Nuclei in Dark Energy Spectroscopic Instrument. I. Profile-dependent Measurements of the Low-redshift Sample
We present a spectral analysis of a large sample of low-redshift type 1 active galactic nuclei (AGNs) selected from the first data release of the Dark Energy Spectroscopic Instrument (DESI DR1).The Silk Nebula: A Newly Discovered Giant [OIII] Emission Filament
We report [O\,\textsc{iii}] narrow-band imaging of an extremely large-scale nebula, the Silk Nebula, discovered by the SWONS (Super Wide-Field [O\,\textsc{iii}] Narrow-band Survey), together with…X-Shooter view of planetary nebulae microstructures I: The case of NGC 7009 knots
The properties of NGC 7009 knots are investigated by employing UV-to-near-infrared data from the X-Shooter spectrograph.High Resolution Spectro-Polarimetric Observations of the Optical Filaments surrounding NGC 1275 with ESPaDOnS
We analyze archival high spectral resolution ESPaDOnS spectropolarimetric observations (R = $λ/Δλ$ = 68000) of three targeted locations within the filamentary nebula surrounding NGC 1275.Turbulence modes in molecular clouds in M33: a challenging test of the Brunt-Federrath framework
Understanding the turbulent structure of molecular clouds is essential for linking galactic environment to the regulation of star formation.A strategy for astrometric quasar selection with Gaia DR3 and its application to discover new luminous $z>2$ quasars
We aim to provide a cookbook for purely astrometric selection of quasars with Gaia DR3 and to provide an example of its use for the identification of very luminous $z>2$ quasars.A dust-reddened quasar in a [C II]-luminous host at z=6.55
Most known quasars at $z>6$ were selected through their rest-frame UV emission.Insights from the stability of methanol maser flare properties I: G9.62+0.20E
The brightest 6.7 GHz methanol maser in the Galaxy is associated with the high-mass star-forming region (HMSFR) G009.62+0.20E.A Comprehensive JWST Slitless Spectroscopic Census of $\sim$12,000 Emission-Line Galaxies at Redshift $0\sim9$ in COSMOS
Emission-line galaxies provide key diagnostics of star formation, chemical enrichment, and AGN activity across cosmic time.OGLE-2016-BLG-0523: A Low-mass Brown Dwarf or super-Jupiter in a $>100$ au Orbit
To search for very wide-orbit binary-lens events, we cross-match microlensing events detected by OGLE-IV and KMTNet between 2011 and 2024.A Spectroscopic Census of Cluster White Dwarfs from DESI, LAMOST, and SDSS
Gaia has substantially expanded the sample of candidate white dwarfs (WDs) in open clusters, but many remain without spectroscopic characterization.Where Cluster Galaxies Reside and How Strongly They Lens
The efficiency of galaxy-galaxy strong lensing (GGSL) in clusters depends jointly on the inner mass distributions of member galaxies and their locations within the cluster potential.