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 34
A radio counterpart of the local little-red-dot J092359+415736
Little red dots (LRDs) are compact red sources at z>~4.Mergers may not be the main channel for galaxy stellar mass growth at redshift $z\gtrsim5$: Predictions from cosmological hierarchical models and simulations
Mergers are a crucial channel of galaxy growth, but their role relative to star formation remains uncertain at high redshift.Non-equilibrium chemistry and radiation hydrodynamics in metal-poor and metal-rich interstellar gas
We present a flexible implementation of non-equilibrium chemical networks with the $\texttt{KROME}$ framework, coupled to a nonlocal variable Eddington tensor-closed radiation transport scheme…IC 1297: The Most Distant Known X-ray Planetary Nebula and One of the Most Luminous
We present the first targeted Einstein Probe (EP) X-ray observations of any planetary nebula (PN).Phase Separation of HI in the Draco Nebula: CNM formation Triggered by Colliding WNM Flows
We investigate the thermal phase structures and kinematics of atomic hydrogen (H I) gas in the Draco nebula to clarify how infalling H I evolves toward cold atomic and molecular clouds.Atomic hydrogen in $z=0$ galaxies in the COLIBRE simulations
We present an overview of the properties of atomic hydrogen (HI) in galaxies at redshift $z=0$ in the COLIBRE cosmological galaxy formation simulations.Radio ghosts: Radio polarimetry study of newly discovered cluster minihalo candidates or radio tailed galaxies
Extended diffuse radio emission in the central regions of galaxy clusters is commonly associated with non-thermal processes in the intracluster medium (ICM), but its origin and the mechanisms…Low-frequency spectra and scattering of pulsars towards the Gum Nebula with the MWA
The Gum Nebula is a nearby ionised complex with sight-line-dependent pulsar propagation.Massive black holes in the first billion years with JWST
The James Webb Space Telescope has unlocked uncharted territory for the study of early black holes, enabling the detection of fainter and smaller black holes at larger cosmological distances than…Extrapolating Collisional Rate Coefficients for Molecules of Astrophysical Interest Using Neural Networks
State-to-state rate coefficients for inelastic molecular collisions are essential inputs for non-local thermodynamic equilibrium radiative transfer models, yet their computation using quantum…MUSE-DARK IV. Comparing Dark Matter Densities to Star Formation Histories in 375 intermediate-z galaxies
(Abridged) Baryonic feedback is expected to transform cuspy dark-matter (DM) haloes into cores, but direct observational links between inner DM slopes and galaxy star-formation histories (SFHs)…EMU detection of mysterious multiple component radio-continuum emission from nearby spiral Seyfert I type galaxy 'Sand-timer' (NGC 7213)
We present an Australian Square Kilometre Array Pathfinder (ASKAP) Evolutionary Map of the Universe (EMU) radio-continuum detection of the nearby spiral Seyfert I type galaxy NGC 7213 which we…Delving into the depths of NGC 3783 with XRISM VI. Evidence for a failed wind based on Fe xxv absorption line variability
NGC 3783 exhibits a prominent Fe XXV absorption trough in the time-averaged XRISM/Resolve spectrum.EDGE-INFERNO: The chemical signatures of assembly history in reionization fossils
In galaxies, stellar populations represent a superposition of both in situ and accreted components, tracing internal chemical evolution as well as the histories of merged satellites.Broadband non-thermal emission predictions based on 3D simulations of supernova explosions within active galactic nuclei jets
Thermonuclear and core-collapse supernovae are statistically expected to happen within extragalactic jets, as these jets cross the inner regions of their host galaxies, and supernova ejecta-jet…Black hole spin-mass correlation and accretion disks at birth stage of dense star clusters
We review the accretion-driven channel of stellar black-hole growth and spin-up in gaseous star clusters, developed within the framework of our MSCA project "protoBH".Massive double-exponential galaxies with extended LSB emission: An IllustrisTNG exploration II -are they unique?
The massive disk galaxies (stellar mass >= 10^11 M_solar ) in the local universe (z < 0.1) encode challenging aspects of galaxy formation physics.Dynamical formation of dormant black holes: Predictions for Gaia DR4
Dormant black holes (dormant BHs, i.e., X-ray quiet binaries comprising a BH and a companion star) are probes of the effect of cluster dynamics and binary stellar evolution on compact-object binaries.The ePESSTO+ census of ZTF nuclear transients. I. What flares in galactic nuclei?
Transients in galactic nuclei arise from distinct processes, only some of which trace the supermassive black hole (SMBH).Anchoring the Chromospheric Activity$-$Rotation Relation: A Study of the Pleiades and Group X
We present a study of the rotation and the chromospheric H$α$ activity of low-mass stars in the $\approx$120 Myr-old Pleiades and the $\approx$400 Myr-old Group X open clusters.