74 citations · 357 across the 30 of their papers we have counts for
30 papers
From IFS Maps to 3D Structure I: Constraining Geometry in the Circumgalactic Medium
Mandy C. Chen, Michael Rauch, Zhijie Qu +3
The three-dimensional geometric structure of the cool (T~ K) circumgalactic medium (CGM) -- the line-of-sight depth and the number of discrete clumps -- is poorly constrained…
Measuring Simulated Circumgalactic Medium Turbulence with Emission-Weighted Projected Velocity Structure Functions in FOGGIE
Helena Bouchereau, Cassandra Lochhaas, Jake S. Bennett +1
The spatially-resolved kinematics of line emission from the circumgalactic medium (CGM) of a galaxy can contain information about the CGM turbulence, which may play an important ro…
A Comprehensive Study of Morphology and Kinematics in Extended Nebulae Around UV Luminous Quasars at
Zhuoqi Liu, Sean D. Johnson, Eric F. Bell +20
Gas flows between galaxies and the circumgalactic medium (CGM) play a central role in galaxy evolution and can become observable as giant nebulae when illuminated by the quasars. W…
H I Properties of Field Galaxies at -0.6: Insights into Declining Cosmic Star Formation
David DePalma, Neeraj Gupta, Hsiao-Wen Chen +18
We report statistically significant detection of H I 21-cm emission from intermediate-redshift (-0.6) galaxies. By leveraging multi-sightline galaxy survey data from t…
The Morphology and Kinematics of a Giant, Symmetric Nebula Around a Radio-Loud Quasar 3C57: Extended Rotating Gas or Biconical Outflows?
Zhuoqi, Liu, Sean D. Johnson +12
Gas flows between galaxies and the CGM play a crucial role in galaxy evolution. When ionized by a quasar, these gas flows can be directly traced as giant nebulae. We present a stud…
Microphysics of Circumgalactic Turbulence Probed by Fast Radio Bursts and Quasars
S. K. Ocker, M. Chen, S. P. Oh +1
The circumgalactic medium (CGM) is poorly constrained at the sub-parsec scales relevant to turbulent energy dissipation and regulation of multi-phase structure. Fast radio bursts (…
Resolving turbulence drivers in two luminous obscured quasars with JWST/NIRSpec IFU
Mandy C. Chen, Hsiao-Wen Chen, Michael Rauch +10
In this Letter, we investigate the turbulence and energy injection in the extended nebulae surrounding two luminous obscured quasars, WISEA J100211.29013706.7 () and S…
On the Nature of the C IV-bearing Circumgalactic Medium at z~1
Suyash Kumar, Hsiao-Wen Chen, Zhijie Qu +5
This paper presents a detailed study of the physical properties of seven C IV absorbers identified at z_abs = 0.68-1.28 along the line of sight toward QSO PG 1522+101 (z_QSO = 1.33…
The Cosmic Ultraviolet Baryon Survey (CUBS) IX: The enriched circumgalactic and intergalactic medium around star-forming field dwarf galaxies traced by O VI absorption
Nishant Mishra, Sean D. Johnson, Gwen C. Rudie +13
The shallow potential wells of star-forming dwarf galaxies make their surrounding circumgalactic and intergalactic medium (CGM/IGM) sensitive laboratories for studying the inflows…
Discovery of optically emitting circumgalactic nebulae around the majority of UV-luminous quasars at intermediate redshift
Sean D. Johnson, Zhuoqi Will Liu, Jennifer I. Li +15
We report the discovery of large ionized, [O II] emitting circumgalactic nebulae around the majority of thirty UV luminous quasars at observed with deep, wide-field int…
The Cosmic Ultraviolet Baryon Survey (CUBS) VIII: Group Environment of the Most Luminous Quasars at
Jennifer I. Li, Sean D. Johnson, Erin Boettcher +12
We investigate the group-scale environment of 15 luminous quasars (luminosity erg s) from the Cosmic Ultraviolet Baryon Survey (CUBS) at redshift $z\a…
The Cosmic Ultraviolet Baryon Survey (CUBS) VII: on the warm-hot circumgalactic medium probed by O VI and Ne VIII at 0.4 z 0.7
Zhijie Qu, Hsiao-Wen Chen, Sean D. Johnson +12
This paper presents a newly established sample of 103 unique galaxies or galaxy groups at from the Cosmic Ultraviolet Baryon Survey (CUBS) for studying…
Astronomy as a Field: A Guide for Aspiring Astrophysicists
Ava Polzin, Yasmeen Asali, Sanah Bhimani +25
This book was created as part of the SIRIUS B VERGE program to orient students to astrophysics as a broad field. The 2023-2024 VERGE program and the printing of this book is funded…
The first comprehensive study of a giant nebula around a radio-quiet quasar in the Universe
Zhuoqi Will Liu, Sean D. Johnson, Jennifer I-Hsiu Li +10
We present the first comprehensive study of a giant, kpc-scale nebula around a radio-quiet quasar at . The analysis is based on deep integral field spectros…
An ensemble study of turbulence in extended QSO nebulae at --1
Mandy C. Chen, Hsiao-Wen Chen, Michael Rauch +10
Turbulent motions in the circumgalactic medium (CGM) play a critical role in regulating the evolution of galaxies, yet their detailed characterization remains elusive. Using two-di…
The Cosmic Ultraviolet Baryon Survey: Empirical Characterization of Turbulence in the Cool Circumgalactic Medium
Hsiao-Wen Chen, Zhijie Qu, Michael Rauch +11
This paper reports the first measurement of the relationship between turbulent velocity and cloud size in the diffuse circumgalactic medium (CGM) in typical galaxy halos at redshif…
The Cosmic Ultraviolet Baryon Survey (CUBS) VI: Connecting Physical Properties of the Cool Circumgalactic Medium to Galaxies at
Zhijie Qu, Hsiao-Wen Chen, Gwen C. Rudie +12
This paper presents a new sample of 19 unique galaxies and galaxy groups at from the CUBS program, which is designated as the CUBSz1 sample. In this CUBSz1 sample, nine…
Indirect Measurements of Gas Velocities in Galaxy Clusters: Effects of Ellipticity and Cluster Dynamic State
Irina Zhuravleva, Mandy C. Chen, Eugene Churazov +3
While awaiting direct velocity measurement of gas motions in the hot intracluster medium, we rely on indirect probes, including gas perturbations in galaxy clusters. Using a sample…
The Cosmic Ultraviolet Baryon Survey (CUBS) V: On the Thermodynamic Properties of the Cool Circumgalactic Medium at
Zhijie Qu, Hsiao-Wen Chen, Gwen C. Rudie +11
This paper presents a systematic study of the photoionization and thermodynamic properties of the cool circumgalactic medium (CGM) as traced by rest-frame ultraviolet absorption li…
Empirical constraints on the turbulence in QSO host nebulae from velocity structure function measurements
Mandy C. Chen, Hsiao-Wen Chen, Michael Rauch +9
We present the first empirical constraints on the turbulent velocity field of the diffuse circumgalactic medium around four luminous QSOs at --1.1. Spatially exten…
Directly tracing cool filamentary accretion over >100 kpc into the interstellar medium of a quasar host at z=1
Sean D. Johnson, Joop Schaye, Gregory L. Walth +11
We report the discovery of giant (50-100 kpc) [O II] emitting nebulae with the Multi-Unit Spectroscopic Explorer (MUSE) in the field of TXS 0206-048, a luminous quasar at z=1.13. D…
RELICS: Strong Lens Model of SMACSJ0723.3-7327
Keren Sharon, Mandy C. Chen, Guillaume Mahler +2
We present the details of a strong lens model of SMACS J0723.3-7327, which was made public as part of the data and high level science products (HLSP) release of the RELICS HST trea…
Discovery of a damped Ly absorber originating in a spectacular interacting dwarf galaxy pair at
Erin Boettcher, Neeraj Gupta, Hsiao-Wen Chen +18
We present the discovery of neutral gas detected in both damped Ly absorption (DLA) and HI 21-cm emission outside of the stellar body of a galaxy, the first such detection in th…
The Cosmic Ultraviolet Baryon Survey (CUBS) IV: The Complex Multiphase Circumgalactic Medium as Revealed by Partial Lyman Limit Systems
Thomas J. Cooper, Gwen C. Rudie, Hsiao-Wen Chen +18
We present a detailed study of two partial Lyman limit systems (pLLSs) of neutral hydrogen column density discovered at…