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19912026
Showing 2023 · astro-ph.GAShow all

75 papers · 2 filters

astro-ph.GA2023★ 13 cited

Earliest Galaxies in the JADES Origins Field: Luminosity Function and Cosmic Star-Formation Rate Density 300 Myr after the Big Bang

Brant Robertson, Benjamin D. Johnson, Sandro Tacchella +33

We characterize the earliest galaxy population in the JADES Origins Field (JOF), the deepest imaging field observed with JWST. We make use of the ancillary Hubble optical images (5…

astro-ph.GA2023★ 10 cited

A survey of Ly emission around Damped Ly absorbers at with the Keck Cosmic Web Imager

Grecco A. Oyarzun, Marc Rafelski, Nissim Kanekar +3

We present Keck Cosmic Web Imager (KCWI) Ly integral field spectroscopy of the fields surrounding 14 Damped Ly absorbers (DLAs) at . Of these 14 DLAs, 9 have hig…

astro-ph.GA2023★ 2 cited

Environmental Quenching of Low Surface Brightness Galaxies near Milky Way mass Hosts

J. Bhattacharyya, A. H. G. Peter, P. Martini +48

Low Surface Brightness Galaxies (LSBGs) are excellent probes of quenching and other environmental processes near massive galaxies. We study an extensive sample of LSBGs near massiv…

astro-ph.GA2023★ 86 cited

JADES: Carbon enrichment 350 Myr after the Big Bang in a gas-rich galaxy

Francesco D'Eugenio, Roberto Maiolino, Stefano Carniani +25

Finding the emergence of the first generation of metals in the early Universe, and identifying their origin, are some of the most important goals of modern astrophysics. We present…

astro-ph.GA2023★ 37 cited

An evolutionary continuum from nucleated dwarf galaxies to star clusters

Kaixiang Wang, Eric W. Peng, Chengze Liu +21

Systematic studies have revealed hundreds of ultra-compact dwarf galaxies (UCDs) in the nearby Universe. With half-light radii of approximately 10-100 parsecs and stellar mas…

astro-ph.GA2023★ 4 cited

Searching for [CII] Emission from the First Sample of OI Absorption-Associated Galaxies with ALMA

Yunjing Wu, Zheng Cai, Jianan Li +13

We report the first statistical analyses of [CII] and dust continuum observations in six strong OI absorber fields at the end of the reionization epoch obtained by the Atacama Larg…

astro-ph.GA2023★ 87 cited

JADES: A large population of obscured, narrow line AGN at high redshift

Jan Scholtz, Roberto Maiolino, Francesco D'Eugenio +35

We present the identification of 42 narrow-line active galactic nuclei (type-2 AGN) candidates in the two deepest observations of the JADES spectroscopic survey with JWST/NIRSpec.…

astro-ph.GA2023★ 15 cited

The UV luminosity function at 0.6 < z < 1 from UVCANDELS

Lei Sun, Xin Wang, Harry I. Teplitz +75

UVCANDELS is a HST Cycle-26 Treasury Program awarded 164 orbits of primary ultraviolet (UV) F275W imaging and coordinated parallel optical F435W imaging in four CANDELS fields: GOO…

astro-ph.GA2023★ 91 cited

Feedback-Free Starbursts at Cosmic Dawn: Observable Predictions for JWST

Zhaozhou Li, Avishai Dekel, Kartick C. Sarkar +4

We extend the analysis of a physical model within the standard cosmology that robustly predicts a high star-formation efficiency (SFE) in massive galaxies at cosmic dawn due to fee…

astro-ph.GA2023★ 9 cited

UV-Bright Star-Forming Clumps and Their Host Galaxies in UVCANDELS at 0.5 z 1

Alec Martin, Yicheng Guo, Xin Wang +32

Giant star-forming clumps are a prominent feature of star-forming galaxies (SFGs) and contain important clues on galaxy formation and evolution. However, basic demographics of clum…

astro-ph.GA2023★ 89 cited

AGN Selection and Demographics: A New Age with JWST/MIRI

Jianwei Lyu, Stacey Alberts, George H. Rieke +19

Understanding the co-evolution of supermassive black holes (SMBHs) and their host systems requires a comprehensive census of active galactic nuclei (AGN) behavior across a wide ran…

astro-ph.GA2023★ 37 cited

Unveiling the hidden universe with JWST: The contribution of dust-obscured galaxies to the stellar mass function at

R. Gottumukkala, L. Barrufet, P. A. Oesch +17

With the advent of JWST, we can probe the rest-frame optical emission of galaxies at with high sensitivity and spatial resolution, making it possible to accurately characteri…

astro-ph.GA2023★ 17 cited

The COSMOS-Web ring: in-depth characterization of an Einstein ring lensing system at z~2

W. Mercier, M. Shuntov, R. Gavazzi +34

Aims. We provide an in-depth analysis of the COSMOS-Web ring, an Einstein ring at z=2 that we serendipitously discovered in the COSMOS-Web survey and possibly the most distant lens…

astro-ph.GA2023★ 18 cited

Rest-Frame Near-Infrared Radial Light Profiles up to z=3 from JWST/NIRCam: Wavelength Dependence of the Sérsic Index

Marco Martorano, Arjen van der Wel, Eric F. Bell +10

We examine the wavelength dependence of radial light profiles based on Sérsic index measurements of 1067 galaxies with M 10M and in the redshift range $…

astro-ph.GA2023★ 148 cited

Most of the photons that reionized the Universe came from dwarf galaxies

Hakim Atek, Ivo Labbé, Lukas J. Furtak +30

The identification of sources driving cosmic reionization, a major phase transition from neutral Hydrogen to ionized plasma around 600-800 Myr after the Big Bang (Dayal et al. 2018…

astro-ph.GA2023★ 361 cited

JADES. The diverse population of infant Black Holes at 4<z<11: merging, tiny, poor, but mighty

Roberto Maiolino, Jan Scholtz, Emma Curtis-Lake +25

We present 12 new AGN at 4<z<7 in the JADES survey (in addition to the previously identified AGN in GN-z11 at z=10.6) revealed through the detection of a Broad Line Region as seen…

astro-ph.GA2023★ 4 cited

Circumgalactic Ly Nebulae in Overdense Quasar Pair Regions Observed with the Palomar Cosmic Web Imager

Jessica S. Li, Carlos J. Vargas, Donal O'Sullivan +8

The recent discovery of enormous Ly nebulae (ELANe), characterized by physical extents kpc and Ly luminosities erg s, provide a unique opportunity to…

astro-ph.GA2023★ 72 cited

A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE

Julie Imig, Cathryn Price, Jon A. Holtzman +24

We present new maps of the Milky Way disk showing the distribution of metallicity ([Fe/H]), -element abundances ([Mg/Fe]), and stellar age, using a sample of 66,496 red giant st…

astro-ph.GA2023★ 3 cited

Stellar angular momentum of disk galaxies at z = 0.7 in the MAGIC survey I. Impact of the environment

W. Mercier, B. Epinat, T. Contini +6

Aims: At intermediate redshift, galaxy groups/clusters are thought to impact galaxies (e.g. their angular momentum). We investigate whether the environment has an impact on the gal…

astro-ph.GA2023★ 14 cited

Mid-Infrared Outbursts in Nearby Galaxies: Nuclear Obscuration and Connections to Hidden Tidal Disruption Events and Changing-Look Active Galactic Nuclei

Sierra A. Dodd, Arya Nukala, Isabelle Connor +5

We study the properties of galaxies hosting mid-infrared outbursts in the context of a catalog of five hundred thousand galaxies from the Sloan Digital Sky Survey. We find that nuc…

astro-ph.GA2023★ 11 cited

Keck Spectroscopy of NGC 1052-DF9: Stellar Populations in the Context of the NGC 1052 Group

Jonah S. Gannon, Maria Luisa Buzzo, Anna Ferré-Mateu +3

In this study, we use Keck/KCWI spectroscopy to measure the age, metallicity and recessional velocity of NGC~1052-DF9 (DF9), a dwarf galaxy in the NGC~1052 group. We compare these…

astro-ph.GA2023★ 29 cited

JADES: Balmer Decrement Measurements at redshifts 4 < z < 7

Lester Sandles, Francesco D'Eugenio, Roberto Maiolino +33

We present Balmer decrement H/ H measurements for a sample of 51 galaxies at redshifts z = 4-7 observed with the JWST/NIRSpec MSA, as part of the JADES survey. Leveraging 28-…

astro-ph.GA2023★ 89 cited

JADES: Detecting [OIII] Emitters and Testing Strong Line Calibrations in the High- Universe with Ultra-deep JWST/NIRSpec Spectroscopy up to

Isaac H. Laseter, Michael V. Maseda, Mirko Curti +32

We present 10 novel [OIII] auroral line detections up to measured from ultra-deep JWST/NIRSpec MSA spectroscopy from the JWST Advanced Deep Extragalactic Survey…

astro-ph.GA2023★ 81 cited

JADES: The incidence rate and properties of galactic outflows in low-mass galaxies across 3 < z < 9

Stefano Carniani, Giacomo Venturi, Eleonora Parlanti +30

We investigate the incidence and properties of ionized gas outflows in a sample of 52 galaxies with stellar mass between M and M observed with ult…