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Gary J. Hill

0000-0001-6717-7685
astro-ph.GAastro-phastro-ph.COastro-ph.IMastro-ph.HEastro-ph.SRastro-ph.EPphysics.ins-det

On Valency

published · living versions
W_xjwq9yw3·v1 · currentpublished
DESI Spectroscopy of HETDEX Emission-line Candidates I: Line Discrimination Validation
with Martin Landriau, Erin Mentuch Cooper, Dustin Davis, Karl Gebhardt +48
1 version
W_kppczsme·v1published
HETDEX Public Source Catalog 1: 220K Sources Including Over 50K Lyman Alpha Emitters from an Untargeted Wide-area Spectroscopic Survey
W_te93sycm·v1published
The HETDEX Instrumentation: Hobby-Eberly Telescope Wide Field Upgrade and VIRUS
W_abqk423y·v1published
The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX): Description and Early Pilot Survey Results

Preprints & journals

93 papers in the corpus · 1999–2026
Population III Host Candidates at z∼2z\sim2: Strong He II λ1640\lambda1640 and Absent UV Metal Lines in HETDEX Lyα\alpha Emitters2609.16134v1 · Mahan Mirza Khanlari, Dustin Davis, Karl Gebhardt et al.2026 · 0 citationsarXiv
Radio-detected Lya emitters at 1.88 < z < 3.52: AGN fraction and Lya emission2607.15971v1 · Sai Zhai, Huub Rottgering, Anniek J. Gloudemans et al.2026 · 0 citationsarXiv
HETDEX [OII] galaxies at z≤0.48z \le 0.48: Volume-limited samples and their power spectra2607.08453v2 · Jeongin Moon, Eiichiro Komatsu, Robin Ciardullo et al.2026 · 0 citationsarXiv
Observations of a Possible Transient Magnetically Arrested Accretion State in a Nearby Quasar: OQ2082606.22845v1 · Brian Punsly, Cormac Reynolds, Paola Marziani et al.2026 · 0 citationsarXiv
HETDEX Public Data Release 1: Source Catalog 2 and Data Cubes from ~90 sq deg of Integral-Field Optical Spectroscopy2606.04208v1 · Erin Mentuch Cooper, Karl Gebhardt, Dustin Davis et al.2026 · 2 citationsApJS, 284, 67 (2026)
Emission-line Variable Active Galactic Nuclei at Cosmic Noon from HETDEX2603.18519v1 · Chenxu Liu, Fanchuan Kong, Erin Mentuch Cooper et al.2026 · 1 citationarXiv
Ly{\alpha} Nebulae in HETDEX: The Largest Statistical Census Bridging Ly{\alpha} Halos and Blobs across Cosmic Noon2603.06410v1 · Erin Mentuch Cooper, Karl Gebhardt, Dustin Davis et al.2026 · 5 citationsApJ, 1000, 38 (2026)
The HETDEX Survey: Probing neutral hydrogen in the circumgalactic medium of ~88,000 Lyman Alpha Emitters2507.15942v1 · Mahan Mirza Khanlari, Karl Gebhardt, Laurel H. Weiss et al.2025 · 0 citationsarXiv
Using Lyman Alpha Absorption to Measure the Intensity and Variability of z∼2.4z \sim 2.4 Ultraviolet Background Light2504.13253v1 · Laurel H. Weiss, Karl Gebhardt, Dustin Davis et al.2025 · 4 citationsApJ 983 72 (2025)
DESI Spectroscopy of HETDEX Emission-line Candidates I: Line Discrimination Validation2503.02229v2 · Martin Landriau, Erin Mentuch Cooper, Dustin Davis et al.2025 · 3 citationsApJ 995, 220 (2025)on Valency
A Bayesian Approach to Inferring Accretion Signatures in Young Stellar Objects: A Case Study with VIRUS2501.10500v2 · Lauren Halstead Willett, Joe P. Ninan, Suvrath Mahadevan et al.2025 · 0 citationsarXiv
HETDEX-LOFAR Spectroscopic Redshift Catalog2411.08974v1 · Maya H. Debski, Gregory R. Zeimann, Gary J. Hill et al.2024 · 3 citationsarXiv
The VIRUS-dE Survey I: Stars in dwarf elliptical galaxies - 3D dynamics and radially resolved stellar initial mass functions2409.10518v1 · Mathias Lipka, Jens Thomas, Roberto Saglia et al.2024 · 1 citationarXiv
The Hobby-Eberly Telescope VIRUS Parallel Survey (HETVIPS)2405.00585v1 · Gregory R. Zeimann, Maya H. Debski, Donald P. Schneider et al.2024 · 8 citations2024ApJ...966...14Z
The SRG/eROSITA All-Sky Survey. Optical identification and properties of galaxy clusters and groups in the western galactic hemisphere2402.08453v2 · M. Kluge, J. Comparat, A. Liu et al.2024 · 1 citationA&A 688, A210 (2024)
Absorption Troughs of Lyman Alpha Emitters in HETDEX2401.02490v1 · Laurel H. Weiss, Dustin Davis, Karl Gebhardt et al.2024 · 0 citationsarXiv
A Neptune-mass exoplanet in close orbit around a very low-mass star challenges formation models.38033084 · Stefánsson, Guðmundur, Mahadevan, Suvrath, Miguel, Yamila et al.2023 · 31 citationsScience (New York, N.Y.). 2023;382(6674):1031-1035
Using Mg II Doublet to Predict the Lyman Continuum Escape Fraction from 14 HETDEX Galaxies2311.18008v2 · Victoria Salazar, Floriane Leclercq, John Chisholm et al.2023 · 0 citationsarXiv
The Pre-explosion Environments and The Progenitor of SN 2023ixf from the Hobby Eberly Telescope Dark Energy Experiment (HETDEX)2311.10400v1 · Chenxu Liu, Xinlei Chen, Xinzhong Er et al.2023 · 14 citationsarXiv
Plausible association of distant late M dwarfs with low-frequency radio emission2309.01741v1 · A. J. Gloudemans, J. R. Callingham, K. J. Duncan et al.2023 · 6 citationsA&A 678, A161 (2023)
HETDEX Public Source Catalog 1 -- Stacking 50K Lyman Alpha Emitters2307.03096v1 · Dustin Davis, Karl Gebhardt, Erin Mentuch Cooper et al.2023 · 11 citationsarXiv
An extreme test case for planet formation: a close-in Neptune orbiting an ultracool star2303.13321v1 · Gudmundur Stefansson, Suvrath Mahadevan, Yamila Miguel et al.2023 · 1 citationarXiv
The Stellar Mass - Black Hole Mass Relation at z∼2z\sim2 Down to MBH∼107M⊙\mathcal{M}_\mathrm{BH}\sim10^7 M_\odot Determined by HETDEX2303.02929v1 · Yechi Zhang, Masami Ouchi, Karl Gebhardt et al.2023 · 19 citationsarXiv
Cosmological-Scale Lyman-alpha Forest Absorption Around Galaxies and AGN Probed with the HETDEX and SDSS Spectroscopic Data2301.05100v2 · Dongsheng Sun, Ken Mawatari, Masami Ouchi et al.2023 · 2 citationsarXiv
The HETDEX Survey: Emission Line Exploration and Source Classification2301.01799v1 · Dustin Davis, Karl Gebhardt, Erin Mentuch Cooper et al.2023 · 25 citationsarXiv
HETDEX Public Source Catalog 1: 220K Sources Including Over 50K Lyman Alpha Emitters from an Untargeted Wide-area Spectroscopic Survey2301.01826v1 · Erin Mentuch Cooper, Karl Gebhardt, Dustin Davis et al.2023 · 50 citationsarXivon Valency
Searching for Supernovae in HETDEX Data Release 32212.08444v1 · J. Vinko, B. P. Thomas, J. C. Wheeler et al.2022 · 3 citationsarXiv
The Active Galactic Nuclei in the Hobby-Eberly Telescope Dark Energy Experiment Survey (HETDEX) III. A red quasar with extremely high equivalent widths showing powerful outflows2210.12679v1 · Chenxu Liu, Karl Gebhardt, Wolfram Kollatschny et al.2022 · 4 citationsarXiv
Discovery of 24 radio-bright quasars at 4.9≤z≤6.64.9 \leq z \leq6.6 using low-frequency radio observations2210.01811v2 · A. J. Gloudemans, K. J. Duncan, A. Saxena et al.2022 · 43 citationsarXiv
Stellar Populations of Lyman-alpha Emitting Galaxies in the HETDEX Survey I: An Analysis of LAEs in the GOODS-N Field2208.01660v1 · Adam P. McCarron (UT Austin), Steven L. Finkelstein (UT Austin), Oscar A. Chavez Ortiz (UT Austin) et al.2022 · 13 citationsarXiv
The Active Galactic Nuclei in the Hobby-Eberly Telescope Dark Energy Experiment Survey (HETDEX) II. Luminosity Function2207.11801v1 · Chenxu Liu, Karl Gebhardt, Erin Mentuch Cooper et al.2022 · 8 citationsarXiv
Ly{\alpha} Halos around [O III]-Selected Galaxies in HETDEX2207.11098v1 · Maja Lujan Niemeyer, William P. Bowman, Robin Ciardullo et al.2022 · 17 citationsarXiv
The Active Galactic Nuclei in the Hobby-Eberly Telescope Dark Energy Experiment Survey (HETDEX) I. Sample selection2204.13658v2 · Chenxu Liu, Karl Gebhardt, Erin Mentuch Cooper et al.2022 · 17 citationsarXiv
Surface Brightness Profile of Lyman-α\alpha Halos out to 320 kpc in HETDEX2203.04826v1 · Maja Lujan Niemeyer, Eiichiro Komatsu, Chris Byrohl et al.2022 · 35 citationsarXiv
Ground-Based Astronomical Instrumentation Development in the United States: A White Paper on the Challenges Faced by the US Community2112.00957v2 · Stephen A. Smee, Gary J. Hill2021 · 1 citationarXiv
The HETDEX Instrumentation: Hobby-Eberly Telescope Wide Field Upgrade and VIRUS2110.03843v2 · Gary J. Hill, Hanshin Lee, Phillip J. MacQueen et al.2021 · 151 citationsAJ 162 298 (2021)on Valency
The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections2110.04298v1 · Karl Gebhardt, Erin Mentuch Cooper, Robin Ciardullo et al.2021 · 115 citationsarXiv
Detection of Lyman Continuum from 3.0 < z < 3.5 Galaxies in the HETDEX Survey2107.11319v1 · Dustin Davis, Karl Gebhardt, Erin Mentuch Cooper et al.2021 · 16 citationsarXiv
First HETDEX Spectroscopic Determinations of Lyα\alpha and UV Luminosity Functions at z=2−3z=2-3: Bridging a Gap Between Faint AGN and Bright Galaxies2105.11497v2 · Yechi Zhang, Masami Ouchi, Karl Gebhardt et al.2021 · 31 citationsarXiv
HETDEX [OIII] Emitters I: A spectroscopically selected low-redshift population of low-mass, low-metallicity galaxies2105.02892v1 · Briana Indahl, Greg Zeimann, Gary J. Hill et al.2021 · 11 citationsarXiv
Correcting correlation functions for redshift-dependent interloper contamination2104.04613v2 · Daniel J. Farrow, Ariel G. S'anchez, Robin Ciardullo et al.2021 · 26 citationsarXiv
The HETDEX Survey: The Lyα\alpha Escape Fraction from 3D-HST Emission Line Galaxies at z∼2z \sim 22103.12126v1 · Laurel H. Weiss, William P. Bowman, Robin Ciardullo et al.2021 · 18 citationsarXiv
The nature of faint radio galaxies at high redshifts1906.00746v2 · A. Saxena, H. J. A. Rottgering, K. J. Duncan et al.2019 · 31 citationsarXiv
The Spitzer-HETDEX Exploratory Large-Area Survey1603.05660v1 · Casey Papovich, H. V. Shipley, N. Mehrtens et al.2016 · 84 citationsarXiv
Surveying Galaxy Proto-clusters in Emission: A Large-scale Structure at z=2.44 and the Outlook for HETDEX1505.03877v2 · Yi-Kuan Chiang, Roderik A. Overzier, Karl Gebhardt et al.2015 · 85 citationsarXiv
Mass production of volume phase holographic gratings for the VIRUS spectrograph array1407.7537v1 · Taylor S. Chonis, Amy Frantz, Gary J. Hill et al.2014 · 19 citationsarXiv
LRS2: the new facility low resolution integral field spectrograph for the Hobby-Eberly Telescope1407.6016v1 · Taylor S. Chonis, Gary J. Hill, Hanshin Lee et al.2014 · 40 citationsarXiv
The HETDEX Pilot Survey V: The Physical Origin of Lyman-alpha Emitters Probed by Near-infrared Spectroscopy1406.4503v1 · Mimi Song, Steven L. Finkelstein, Karl Gebhardt et al.2014 · 94 citationsarXiv
Spectral Energy Distribution Fitting of HETDEX Pilot Survey Lyman-alpha Emitters in COSMOS and GOODS-N1403.4935v1 · Alex Hagen, Robin Ciardullo, Caryl Gronwall et al.2014 · 57 citationsarXiv
Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples1401.4064v2 · M. Betoule, R. Kessler, J. Guy et al.2014 · 1,904 citationsarXiv
Career total: 410 works. 93 are in this corpus.Showing the 50 most recent.

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