Galaxies & Cosmology
Galaxy formation, evolution, structure, and cosmological simulations.
astro-ph.GA · 340 papersThe Significant Role of Hydrogen in the Formation of Silicon Carbide in Evolved Stars
Lab simulations reveal molecular hydrogen's crucial role in forming SiC₂ as a key precursor for silicon carbide dust in evolved stars.
High-Redshift Gravitational Lens Discoveries in JWST NIRCam Using AnomalyMatch
AnomalyMatch identified 58 gravitational lenses, 37 new, in JWST NIRCam data, demonstrating its potential for high-redshift object discovery.
ArkenstoneBH. A model for high-specific energy black hole feedback in cosmological simulations
ArkenstoneBH extends a subgrid framework to model high-specific energy black hole feedback, improving cosmological simulations of galaxy evolution.
Nowhere Left to Hide: Uncovering All of the Massive Young Embedded Star Clusters in the Antennae with JWST
JWST revealed 45 deeply embedded, young star clusters in the Antennae galaxies, dominating ionizing luminosity and suggesting shock-heated gas aids their formation.
AGN STORM 2. XII. Ground-Based Optical Photometry and Lag Measurements of Mrk 817
New optical photometry of Mrk 817 measures reverberation lags, revealing a disk size discrepancy and variations linked to ionizing luminosity changes.
Jet-driven shocks and turbulence in radio-loud Active Galactic Nuclei observed with JWST MIRI/MRS
JWST MIRI/MRS observations reveal radio jets drive widespread turbulence and shock excitation in multiphase gas of nearby radio-loud AGN.
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE). XXI. Statistical properties of individual HII regions in perturbed galaxies
This study reveals that HII regions in HI-deficient Virgo cluster galaxies show distinct properties, particularly in their outer discs, due to ram pressure stripping.
Using Ly$α$ Transmitted Spectrum to Probe IGM Transmission and Identify Ionized Structures in Cosmic Reionization
This paper uses JWST/NIRSpec to measure intergalactic medium transmission and identify a large ionized bubble during cosmic reionization.
Unravelling the complex structure of the Fe II emission region in Type 1 active galactic nuclei
This study reveals the complex structure of Fe II emission in Type 1 AGN, linking its enhancement to specific line groups and the quasar main sequence.
Morphological and Star Formation Properties of Cosmic Noon Massive Quiescent Galaxies
This paper analyzes massive quiescent galaxies at cosmic noon, finding them to be bulge-dominated with inside-out quenching, suggesting AGN feedback.
Fragmentation in the Serpens/Aquila Star-forming Region
ALMA observations in Serpens/Aquila reveal starless and fragmented protostellar cores, supporting turbulent core collapse models of star formation.
CHANG-ES XXXIX. Magnetic field structure in edge-on galaxies: Stacking Stokes parameters
A new method using stacked Stokes Q/U spectra effectively maps faint magnetic fields in edge-on galaxy halos, showing an X-shaped pattern.
Galaxy luminosity functions from far-UV to submillimetre at $z=0$ in the COLIBRE simulations
COLIBRE simulations, combined with SKIRT, accurately predict present-day galaxy luminosity functions across most wavelengths, with some MIR discrepancies.
Baryons in the Darkest Sites of the Universe
First observational evidence shows cosmic voids have ~60% fewer baryons, revealing baryon distribution in the universe's emptiest regions.
A Comprehensive Study of Morphology and Kinematics in Extended Nebulae Around UV Luminous Quasars at $z\approx1$
This study classifies and analyzes the morphology and kinematics of 30 extended nebulae around UV-luminous quasars at z≈1, revealing their diverse origins.
Cross-Comparison of Galaxies Detected in the CSST Spectroscopic Survey and the SKA HI Survey
This paper forecasts galaxies detected by CSST and SKA HI surveys using a forward-modeling framework to assess their synergy and galaxy properties.
Resolving the Unresolved Galactic Winds in Multi-phase Models. I. Methodology and Application
A new method fits observed galactic wind profiles with a multiphase model, constraining key outflow parameters and revealing radial trends in gas properties.
Validating z > 7.5 Lyman Break Galaxy candidates in the COSMOS field with JWST/PASSAGE
JWST/PASSAGE spectroscopically confirms a z~8 Lyman Break Galaxy, revealing a surprisingly high surface density in the COSMOS field.
Analysis of spatial velocities of several samples of open star clusters
This paper analyzes open star cluster kinematics to refine galactic rotation parameters, revealing the Sun's close proximity to the Galaxy's corotation radius.
PEARLS: Two Distinct Populations of AGN Hosts Moving Between Star Formation and Quiescence
This paper identifies two distinct populations of AGN host galaxies transitioning between star formation and quiescence, suggesting AGN activity drives star formation.
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