69 citations · 192 across the 24 of their papers we have counts for
24 papers
Reduced incidence of little red dots at z < 3 based on number density and halo mass evolution
Chenxuan Zhang, Huanian Zhang, Qingwen Wu +2
An intriguing puzzle in extragalactic astronomy is the scarcity of Little Red Dots (LRDs) at , compared to their higher abundance at earlier cosmic epochs. To investigate th…
Star formation powers optical line emission from the CGM
Huanian Zhang, Lizhi Xie, Zhijie Qu +9
Using integral field spectroscopy, we explore the disk-halo interface, or the inner circumgalactic medium (CGM), of individual galaxies by constructing and analyzing emission-line…
First-star imprints in a metal-poor galaxy overdensity near the end of reionization
Zihao Li, Koki Kakiichi, Lise Christensen +24
The first generation of stars, known as Population III (Pop III), formed from primordial gas consisting solely of hydrogen and helium and is believed to have emerged only a few hun…
Clustering of z~6.6 Quasars and [O III] Emitters Constrains Host Halo Masses and Duty Cycles in 25 ASPIRE Fields
Jiamu Huang, Joseph Hennawi, Elia Pizzati +21
We use data from the JWST ASPIRE Wide Field Slitless Spectroscopy (WFSS) program to measure the auto-correlation function of [O,{\sc iii}] emitters at 5.37.0 and the quasar--[…
ASPIRE: The Environments and Dark Matter Halos of Luminous Quasars in the Epoch of Reionization
Feige Wang, Jaclyn B. Champagne, Jiamu Huang +42
We present a systematic study of the environments of 25 luminous quasars at from the ASPIRE program. Using JWST/NIRCam WFSS data, we identified 487 galaxies at $5.3 \less…
Probing Dark Matter Halos of High-redshift Quasars via Wide-Field Clustering
Hao Meng, Guangping Ye, Huanian Zhang
High-redshift quasars are powerful tracers of both astrophysical processes and large-scale structure in the early Universe. Using a sample of 1,251 spectroscopically confirmed quas…
Shedding the envelope: JWST reveals a kiloparsec-scale [OIII]-weak Balmer shell around a z=7.64 quasar
Julien Wolf, Eduardo Bañados, Xiaohui Fan +25
Luminous quasars at the redshift frontier z>7 serve as stringent probes of super-massive black hole formation and they are thought to undergo much of their growth obscured by dense…
Extreme Galaxy-scale Outflows Are Frequent among Luminous Early Quasars
Weizhe Liu, Xiaohui Fan, Huan Li +23
The existence of abundant post-starburst/quiescent galaxies just 1-2 Gyrs after the Big Bang challenges our current paradigm of galaxy evolution. Cosmological simulations sug…
The Identification of Two JWST/NIRCam-Dark Starburst Galaxies at with ALMA
Fengwu Sun, Jinyi Yang, Feige Wang +20
We analyze two dusty star-forming galaxies at . These galaxies are selected from the ASPIRE survey, a JWST Cycle-1 medium and ALMA Cycle-9 large program targeting 25 quasars…
A 13-Billion-Year View of Galaxy Growth: Metallicity Gradient Evolution from the Local Universe to with JWST and Archival Surveys
Zihao Li, Zheng Cai, Xin Wang +25
The galaxy gas-phase metallicity gradients have been extensively studied over the past four decades, both in the local and high-redshift universe, as they trace the baryon cycle an…
Composite spectrum of Little Red Dot from a standard inner disk and an unstable outer disk
Chenxuan Zhang, Qingwen Wu, Xiao Fan +6
James Webb Space Telescope (JWST) has revealed a new class of high-redshift, very red, compact broad-line sources, termed as "little red dots" (LRDs). The physical mechanism drivin…
Insights on Metal Enrichment and Environmental Effect at with JWST ASPIRE/EIGER and Chemical Evolution Model
Zihao Li, Koki Kakiichi, Lise Christensen +15
We present the mass-metallicity relation (MZR) for a parent sample of 604 galaxies at with \OIII\ doublets detected, using the deep JWST/NIRCam wide field slitless sp…
A Local Dwarf Galaxy Search Using Machine Learning
Huanian Zhang, Guangping Ye, Rongyu Wu +1
We present a machine learning search for local, low-mass galaxies ( and ) using the combined photometric data from the DESI Imaging Leg…
JWST ASPIRE: How Did Galaxies Complete Reionization? Evidence for Excess IGM Transmission around Emitters during Reionization
Koki Kakiichi, Xiangyu Jin, Feige Wang +23
The spatial correlation between galaxies and the Ly forest provides insights into how galaxies reionized the Universe. Here, we present initial results on the spatial cross-corr…
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…
A MUSE Source-Blind Survey for Emission from the Circumgalactic Medium
Huanian Zhang, Dennis Zaritsky
The recent detection of optical emission lines from the circumgalactic medium (CGM) in combined, large samples of low-redshift, normal galaxy spectra hints at the potential to map…
The Anisotropic Circumgalactic Medium of Sub-L Galaxies
Huanian Zhang, Miao Li, Dennis Zaritsky
Using stacked emission line flux measurements of cool circumgalactic gas (CGM) in lower-mass galaxies (), we measure the dependence of the…
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…
Constraints on the variation of the fine-structure constant at 3<z<10 with JWST emission-line galaxies
Linhua Jiang, Shuqi Fu, Feige Wang +7
We present constraints on the spacetime variation of the fine-structure constant at redshifts using JWST emission-line galaxies. The galaxy sample consists of 62…
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…
Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes). V. The Complete SMUDGes Catalog and the Nature of Ultra-Diffuse Galaxies
Dennis Zaritsky, Richard Donnerstein, Arjun Dey +5
We present the completed catalog of ultra-diffuse galaxy (UDG) candidates (7070 objects) from our search of the DR9 Legacy Survey images, including distance and total mass estimate…
The Anisotropic Circumgalactic Medium of Massive Early-Type Galaxies
Huanian Zhang, Dennis Zaritsky
Using measurements of the [O III], H and [N II] emission line fluxes originating in the cool (T K) gas that populates the halos of massive early-type galaxies with st…
Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes). III. The Southern SMUDGes Catalog
Dennis Zaritsky, Richard Donnerstein, Ananthan Karunakaran +5
We present a catalog of 5598 ultra-diffuse galaxy (UDG) candidates with effective radius arcsec distributed throughout the southern portion of the DESI Legacy Imaging S…
Emission line ratios for the Circumgalactic Medium and the "Bimodal" Nature of Galaxies
Huanian Zhang, Dennis Zaritsky, Jessica Werk +1
We find significantly different diagnostic emission line ratios for the circumgalactic gas associated with galaxies of stellar masses above and below M using SD…