activity
20232026
most citedA quasar-galaxy merger at : rapid host growth via accretion of two massive satellite galaxies

26 citations · 56 across the 29 of their papers we have counts for

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Showing 2024Show all

12 papers · 1 filter

astro-ph.GA2024

A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Spectroscopically Complete Census of Obscured Cosmic Star Formation Rate Density at

Fengwu Sun, Feige Wang, Jinyi Yang +25

We present a stringent measurement of the dust-obscured star-formation rate density (SFRD) at from the ASPIRE JWST Cycle-1 medium and ALMA Cycle-9 large program. We obtaine…

astro-ph.CO2024

Measuring the Mean Free Path of HI Ionizing Photons at with DESI Y1 Quasars

Anning Gao, Jason X. Prochaska, Zheng Cai +31

The mean free path of ionizing photons () in the intergalactic medium (IGM) is a crucial quantity in modelling the ionization state of IGM and the extragalact…

astro-ph.GA2024

The circumgalactic medium traced by Mg II absorption with DESI: dependence on galaxy stellar mass, star formation rate and azimuthal angle

Zeyu Chen, Enci Wang, Hu Zou +10

Understanding the circumgalactic medium (CGM) distribution of galaxies is the key to revealing the dynamical exchange of materials between galaxies and their surroundings. In this…

astro-ph.CO2024★ 5 cited

MUltiplexed Survey Telescope (MUST) Science White Paper I: Overview of Large-Scale Structure Cosmology in the Era of Stage-V Spectroscopic Surveys

Cheng Zhao, Song Huang, Mengfan He +41

The MUltiplexed Survey Telescope (MUST) is a 6.5-meter telescope under development. Dedicated to highly-multiplexed, wide-field spectroscopic surveys, MUST observes over 20,000 tar…

astro-ph.CO2024★ 1 cited

A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): JWST Supports Earlier Reionization around [OIII] Emitters

Xiangyu Jin, Jinyi Yang, Xiaohui Fan +22

Understanding when and how reionization happened is crucial for studying the early structure formation and the properties of first galaxies in the Universe. At , the observe…

astro-ph.GA2024

A Quasar-Anchored Protocluster at z=6.6 in the ASPIRE Survey: II. An Environmental Analysis of Galaxy Properties in an Overdense Structure

Jaclyn B. Champagne, Feige Wang, Jinyi Yang +21

We present paper II comprising a 35 arcmin \textit{JWST}/NIRCam imaging and wide-field slitless spectroscopy mosaic centered on J03053150, a luminous quasar at . The…

astro-ph.GA2024

A Quasar-Anchored Protocluster at z=6.6 in the ASPIRE Survey: I. Properties of [OIII] Emitters in a 10 Mpc Overdensity Structure

Jaclyn B. Champagne, Feige Wang, Haowen Zhang +25

ASPIRE (A SPectroscopic survey of bIased halos in the Reionization Era) is a quasar legacy survey primarily using \textit{JWST} to target a sample of 25 quasars with NIRCam s…

astro-ph.GA2024★ 3 cited

Changing-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. II. Statistical Properties from the First Data Release

Wei-Jian Guo, Hu Zou, Claire L. Greenwell +33

We present the identification of changing-look active galactic nuclei (CL-AGNs) from the Dark Energy Spectroscopic Instrument First Data Release and Sloan Digital Sky Survey Data R…

astro-ph.GA2024

Tracing the evolution of the cool gas in CGM and IGM environments through Mg II absorption from redshift z=0.75 to z=1.65 using DESI-Y1 data

X. Wu, Z. Cai, T. -W. Lan +35

We present a measurement of the mean absorption of cool gas traced by Mg II () around emission line galaxies (ELGs), spanning spatial scales from 20 kpc to 10 Mpc.…

astro-ph.GA2024★ 26 cited

A quasar-galaxy merger at : rapid host growth via accretion of two massive satellite galaxies

Roberto Decarli, Federica Loiacono, Emanuele Paolo Farina +38

We present JWST/NIRSpec Integral Field Spectroscopy in the rest-frame optical bands of the system PJ308-21, a quasar at caught as its host galaxy interacts with companio…

astro-ph.GA2024

Identification of 40 gravitationally magnified stars in a galaxy at redshift of 0.725

Yoshinobu Fudamoto, Fengwu Sun, Jose M. Diego +44

Strong gravitational magnifications enable to detect faint background sources, resolve their internal structures, and even identify individual stars in distant galaxies. Highly mag…

astro-ph.GA2024

A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Impact of Galaxies on the CGM Metal Enrichment at z > 6 Using the JWST and VLT

Siwei Zou, Zheng Cai, Feige Wang +27

We characterize the multiphase circumgalactic medium and galaxy properties at z = 6.0-6.5 in four quasar fields from the James Webb Space Telescope A SPectroscopic survey of biased…