output
19922026
Showing astro-ph.GAShow all

478 papers · 1 filter

astro-ph.GA2026

Finding the evolutionary link between ULIRGs and radio galaxies

Ayisha Fida, Sumana Nandi, Mousumi Das +4

Ultraluminous infrared galaxies (ULIRGs) are the remnants of the major mergers of gas-rich galaxies. They are dusty systems and are extremely luminous in the infrared. Both starbur…

astro-ph.GA2026

A Dusty Quenching-candidate AGN host at z=5.7: massive quiescent galaxies may quench already during the dust-obscured phase

Francesco D'Eugenio, Matilde Brazzini, Roberto Maiolino +12

We present a spectro-photometric analysis of RUBIES-EGS-9809, a broad-line AGN host at z=5.7 with a Balmer break and a dominant point source. The source is dust reddened (3 m…

astro-ph.GA2026

How can we finally see the first light? Status and perspective in the search for Population III stars

Alessandra Venditti, Daniel Schaerer, Erik Zackrisson +26

Finding the first (Population III or Pop III) stars is one of the fundamental quests of astronomy, aiming to deliver the missing link in how stars form at early cosmic times. Yet t…

astro-ph.GA2026★ 1 cited

Direct detection of cool molecular gas in a star-forming galaxy at

Karin Cescon, Jacqueline A. Hodge, Leindert A. Boogaard +21

We investigate the molecular gas content and interstellar medium (ISM) conditions of REBELS-25, a massive, star-forming galaxy at . Deep VLA Q-band and ALMA Band 3 observat…

astro-ph.GA2026★ 1 cited

Multiphase images of a powerful supernova-driven wind in the early Universe

Rebecca L. Davies, D. B. Fisher, R. Herrera-Camus +38

Galactic winds are considered a likely driver of rapid quenching in early massive galaxies, but until now there has been no direct evidence that such systems drive winds powerful e…

astro-ph.GA2026★ 1 cited

SIMPLIFI -- Study of Interstellar Magnetic Polarization: a Legacy Investigation of Filaments. I. Magnetically-Guided Accretion onto the DR21 Ridge

Thushara G. S. Pillai, Jens Kauffmann, Juan D. Soler +15

We present first results from SIMPLIFI (Study of Interstellar Magnetic Polarization: a Legacy Investigation of Filaments), a SOFIA/HAWC+ polarimetric survey of Galact…

astro-ph.GA2026★ 2 cited

The Cliff: A Metal-Poor Little Red Dot Hosting an Overmassive Black Hole at

Lucy R. Ivey, Francesco D'Eugenio, Roberto Maiolino +18

JWST has revealed a large population of massive black holes (BHs) in the early Universe with unusual properties which mark them as distinct from low-redshift active galactic nuclei…

astro-ph.GA2026

Milky-Way-like stars in a galaxy core 8 billion years ago revealed by gravitational lensing

Quirino D'Amato, Filippo Mannucci, Alessandro Sonnenfeld +40

The assembly of stellar-dominated cores in elliptical galaxies is key to understanding how cosmic structures evolved. Gravitational lensing offers unique insights into the nature o…

astro-ph.GA2026

Two Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Ultra-cool Brown Dwarfs

Maruša Bradač, Chris Willott, Yoshihisa Asada +37

From the onset of observations of JWST we have discovered unexpectedly luminous galaxies at redshifts and as high as . With their discovery, the question immediately f…

astro-ph.GA2026

Out of oxygen: Extremely metal-poor galaxy candidates identified at with deep JADES medium-band imaging

James A. A. Trussler, Daniel J. Eisenstein, Andrew J. Bunker +27

JWST is beginning to uncover a population of extremely metal-poor galaxies (EMPGs, ) at , mostly through serendipitous NIRSpec discoveries and blin…

astro-ph.GA2026

AGILE: an end-to-end Rubin-LSST simulation of AGNs, galaxies, and stars I. Software description and first data release

A. Viitanen, A. Bongiorno, I. Saccheo +37

Contemporary large-scale surveys such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) and Euclid present an unprecedented discovery potential for studying A…

astro-ph.GA2026★ 2 cited

The X-ray weakness of Little Red Dots and JWST-selected AGN: comparison with local AGN in different accretion regimes

A. Tortosa, C. Ricci, P. Du +5

We investigate the origin of the observed X-ray weakness in high z LRDs and other JWST-selected broad line AGN by comparing their X-ray and optical properties with those of a diver…

astro-ph.GA2026★ 1 cited

The ALPINE-CRISTAL-JWST Survey: Gas-phase abundance gradients of main sequence star-forming galaxies and their kinematics at

Lilian L. Lee, Natascha M. Förster Schreiber, Seiji Fujimoto +50

We present gas-phase radial metallicity profiles for 20 main-sequence galaxies at , primarily based on JWST NIRSpec IFU observations obtained as part of the JWST-ALPINE-CRIS…

astro-ph.GA2026

GA-NIFS: Dissecting The Alchemised: JWST reveals turbulent metal-poor gas fuelling a co-spatial starburst in a complex system at

Robert G. Pascalau, Francesco D'Eugenio, Roberto Maiolino +25

Recent observations revealed that distant galaxies have bursty star formation histories, regulated by stellar or active galactic nuclei (AGN) feedback and gas inflows. According to…

astro-ph.GA2026

What does it mean to take the mean? The effect of the averaging scale on the characterization of interstellar turbulence

A. Konstantinou, E. Ntormousi, K. Tassis

In interstellar medium studies, separating ordered and random velocity or magnetic fields is essential for interpreting turbulence in both simulations and observations. We investig…

astro-ph.GA2026★ 1 cited

The X-ray properties of the most luminous quasars with strong emission-line outflows

Anastasia Shlentsova, Bartolomeo Trefoloni, Matilde Signorini +7

Strong outflows from active galactic nuclei are frequently observed in objects with lower coronal X-ray luminosity. This intrinsic X-ray weakness is considered a requirement for th…

astro-ph.GA2026★ 5 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometric Catalog

Brant E. Robertson, Benjamin D. Johnson, Sandro Tacchella +34

JADES Data Release 5 (DR5) photometric catalogs and describes the methodologies used for source detection, deblending, photometry, uncertainty estimation, and catalog curation. The…

astro-ph.GA2026★ 1 cited

E-XQR-30: Evidence for an Increase in the Ionization State of Metal Absorbers from z~6 to z~2

Stephanie Rowlands, R. L. Davies, E. Ryan-Weber +15

We investigate the evolution of the ionization state of metal-enriched gas in and around galaxies near the epoch of reionization using a sample of 488 metal absorption systems at 4…

astro-ph.GA2026

GA-NIFS: AGN activity in a Lyα emitter within a triple-AGN system anchored by a passive galaxy at z=3

Michele Perna, Santiago Arribas, Mahmoud Hamed +15

Massive quenched galaxies at z>3 challenge models of early galaxy evolution, as their rapid formation and abrupt quenching require efficient feedback, often linked to active galact…

astro-ph.GA2026

Fast, dust-poor outflows in the local candidate dual AGN MCG-03-34-64 observed with VLT/ERIS

I. Lamperti, F. Mannucci, E. Bertola +28

We present VLT/ERIS IFU J-band observations of MCG-03-34-64, a nearby (z = 0.0167) Seyfert galaxy hosting a candidate dual AGN system with a separation of ~100 pc between the nucle…

astro-ph.GA2026

Possible evidence for a pair-instability supernova nature of ultra-early JWST sources

Andrea Ferrara, Stefano Carniani, Takahiro Morishita +1

Recent JWST observations have revealed a population of unexpectedly bright sources at ultra-high redshift (), challenging current models of early galaxy formation. One extr…

astro-ph.GA2025★ 1 cited

High-Redshift Galactic Outflows: Orientation Effects, Kinematics, and Metallicity in TNG50 and SERRA

Ivan Kostyuk, Stefano Carniani, Mahsa Kohandel +1

Context: Recently, JWST/NIRSpec observations have provided the first detections of warm ionised outflows in low-mass galaxies at high redshifts (z>3), revealing an occurrence rate…

astro-ph.GA2025

Resolving dust and Lyα emission in a lensed galaxy at the epoch of reionization with JWST/CANUCS

V. Markov, M. Bradač, V. Estrada-Carpenter +20

Lyman emission is highly sensitive to dust and neutral hydrogen and is therefore expected to be strongly suppressed in dusty or gas-rich galaxies during the epoch of reionizati…

astro-ph.GA2025★ 3 cited

Cosmic Duets I. High-spatial resolution spectroscopy of dual and lensed AGN with MUSE-NFM

M. Scialpi, F. Mannucci, Q. D'Amato +34

We present the first-year results of the MUSE Large Program "Cosmic Duets", whose goal is to obtain adaptive-optics assisted MUSE observations with an angular resolution of 0.1"-0.…