1.1k citations · 20k across the 284 of their papers we have counts for
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A unique window into the Epoch of Reionisation: A double-peaked Lyman- emitter in the proximity zone of a quasar at
Klaudia Protušová, Sarah E. I. Bosman, Feige Wang +12
We present a study of a double-peaked Ly emitter, named LAE-11, found in the proximity zone of QSO J0910-0414 at . We use a combination of deep photometric data from S…
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…
Extreme Deconvolution Reimagined: Conditional Densities via Neural Networks and an Application in Quasar Classification
Yi Kang, Joseph F. Hennawi, Jan-Torge Schindler +2
Density estimation is a fundamental problem that arises in many areas of astronomy, with applications ranging from selecting quasars using color distributions to characterizing ste…
A Little Red Dot at within a Large Galaxy Overdensity
Jan-Torge Schindler, Joseph F. Hennawi, Frederick B. Davies +11
The nature of "Little Red Dots" and their relation to other forms of accreting supermassive black holes remain an open question. Here we report the discovery of a Little Red Dot at…
Robust support for semi-automated reductions of Keck/NIRSPEC data using PypeIt
Adolfo S. Carvalho, Greg Doppmann, Kyle B. Westfall +7
We present a data reduction pipeline (DRP) for Keck/NIRSPEC built as an addition to the PypeIt Python package. The DRP is capable of reducing multi-order echelle data taken both be…
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…
Neural network emulator to constrain the high- IGM thermal state from Lyman- forest flux auto-correlation function
Zhenyu Jin, Molly Wolfson, Joseph F. Hennawi +1
We present a neural network emulator to constrain the thermal parameters of the intergalactic medium (IGM) at using the Lyman- (L…
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…
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…
"Little red dots" cannot reside in the same dark matter halos as comparably luminous unobscured quasars
Elia Pizzati, Joseph F. Hennawi, Joop Schaye +4
The James Webb Space Telescope (JWST) has uncovered a new population of candidate broad-line AGN emerging in the early Universe, named ''little red dots'' (LRDs) because of their c…
A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Broad-line AGN at revealed by JWST/NIRCam WFSS
Xiaojing Lin, Feige Wang, Xiaohui Fan +33
Low-luminosity AGNs with low-mass black holes (BHs) in the early universe are fundamental to understanding the BH growth and their co-evolution with the host galaxies. Utilizing JW…
A blazar in the epoch of reionization
Eduardo Banados, Emmanuel Momjian, Thomas Connor +21
Relativistic jets are thought to play a crucial role in the formation and evolution of massive galaxies and supermassive black holes. Blazars, which are quasars with jets aligned a…
Quantifying the Precision of IGM Damping Wing Measurements Towards Quasars
Timo Kist, Joseph F. Hennawi, Frederick B. Davies
We investigate the precision with which the Lyman- damping wing signature imprinted on the spectra of high-redshift quasars (QSOs) by the foreground neutral intergalactic medium…
[OIII] emission in z=2 quasars with and without Broad Absorption Lines
Matthew J. Temple, Amy L. Rankine, Manda Banerji +6
Understanding the links between different phases of outflows from active galactic nuclei is a key goal in extragalactic astrophysics. Here we compare [OIII] 4960,5008 outflow s…
Precisely Measuring the Cosmic Reionization History from IGM Damping Wings Towards Quasars
Joseph F. Hennawi, Timo Kist, Frederick B. Davies +1
We introduce a new approach for analyzing the IGM damping wings imprinted on the proximity zones of quasars in the epoch of reionization (EoR). Whereas past work has typically forg…
Optical and near-infrared spectroscopy of quasars at : public data release and composite spectrum
Silvia Onorato, Joseph F. Hennawi, Jan-Torge Schindler +18
We present optical and near-infrared (NIR) spectroscopic observations for a sample of quasars at with absolute magnitudes at Å in the range $-28.82…
AGNfitter-rx: Modelling the radio-to-X-ray SEDs of AGNs
L. N. Martínez-Ramírez, G. Calistro Rivera, Elisabeta Lusso +9
We present new frontiers in the modelling of the spectral energy distributions (SED) of active galaxies by introducing the radio-to-X-ray fitting capabilities of the publicly avail…
MAMMOTH-Subaru. II. Diverse Populations of Circumgalactic Ly Nebulae at Cosmic Noon
Mingyu Li, Haibin Zhang, Zheng Cai +23
Circumgalactic Lyman-alpha (Ly) nebulae are gaseous halos around galaxies exhibiting luminous extended Ly emission. This work investigates Ly nebulae from deep imaging of…
A Spatially Resolved [CII] Survey of 31 Massive Galaxies Hosting Luminous Quasars
Feige Wang, Jinyi Yang, Xiaohui Fan +15
The [CII] 158 m emission line and the underlying far-infrared (FIR) dust continuum are important tracers for studying star formation and kinematic properties of early galaxies.…
A unified model for the clustering of quasars and galaxies at
Elia Pizzati, Joseph F. Hennawi, Joop Schaye +12
Recent observations from the EIGER JWST program have measured for the first time the quasar-galaxy cross-correlation function at . The auto-correlation function of faint…
EIGER VI. The Correlation Function, Host Halo Mass and Duty Cycle of Luminous Quasars at
Anna-Christina Eilers, Ruari Mackenzie, Elia Pizzati +13
We expect luminous () high-redshift quasars to trace the highest density peaks in the early universe. Here, we present observations of four quasa…
A Massive Protocluster Anchored by a Luminous Quasar at
Feige Wang, Jinyi Yang, Joseph F. Hennawi +13
Protoclusters, the progenitors of galaxy clusters, trace large scale structures in the early Universe and are important to our understanding of structure formation and galaxy evolu…
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…