The Hobby–Eberly Telescope VIRUS Parallel Survey (HETVIPS) by Gregory R. Zeimann, Maya H. Debski, Donald P. Schneider, William P. Bowman, Niv Drory, Gary J. Hill, Hanshin Lee, Phillip MacQueen, Matthew Shetrone

“…The Hobby–Eberly Telescope (HET) VIRUS Parallel Survey (HETVIPS) is a blind spectroscopic program that sparsely covers approximately two-thirds of the celestial sphere and consists of roughly 252 million fiber spectra. …”
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The HETDEX instrumentation: Hobby-Eberly Telescope wide field upgrade and VIRUS by Hill, GJ, Lee, H, MacQueen, PJ, Kelz, A, Drory, N, Vattiat, BL, Good, JM, Ramsey, J, Kriel, H, Peterson, T, DePoy, DL, Gebhardt, K, Marshall, JL, Tuttle, SE, Bauer, SM, Chonis, TS, Fabricius, MH, Froning, C, Haueser, M, Indahl, BL, Jahn, T, Landriau, M, Leck, R, Montesano, F, Prochaska, T, Snigula, JM, Zeimann, GR, Bryant, R, Damm, G, Fowler, JR, Janowiecki, S, Martin, J, Mrozinski, E, Odewahn, S, Rostopchin, S, Shetrone, M, Spencer, R, Mentuch Cooper, E, Armandroff, T, Bender, R, Dalton, G, Hopp, U, Komatsu, E, Lambert, D, Nocklas, H, Ramsey, LW, Roth, MM, Schneider, DP, Sneden, C, Steinmetz, M

“…The Hobby–Eberly Telescope (HET) Dark Energy Experiment (HETDEX) is undertaking a blind wide-field low-resolution spectroscopic survey of 540 deg2 of sky to identify and derive redshifts for a million Lyα-emitting galaxies in the redshift range 1.9 < z < 3.5. …”

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) survey design, reductions, and detections by Gebhardt, K, Mentuch Cooper, E, Ciardullo, R, Jarvis, M, Et al., Dalton, G

“…We describe the survey design, calibration, commissioning, and emission-line detection algorithms for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). The goal of HETDEX is to measure the redshifts of over a million Lyα emitting galaxies between 1.88 < z < 3.52, in a 540 deg2 area encompassing a co-moving volume of 10.9 Gpc3. …”

Using Dark Energy Explorers and Machine Learning to Enhance the Hobby–Eberly Telescope Dark Energy Experiment by Lindsay R. House, Karl Gebhardt, Keely Finkelstein, Erin Mentuch Cooper, Dustin Davis, Robin Ciardullo, Daniel J Farrow, Steven L. Finkelstein, Caryl Gronwall, Donghui Jeong, L. Clifton Johnson, Chenxu Liu, Benjamin P. Thomas, Gregory Zeimann

“…We present analysis using a citizen science campaign to improve the cosmological measures from the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX). The goal of HETDEX is to measure the Hubble expansion rate, H ( z ), and angular diameter distance, D _A ( z ), at z = 2.4, each to percent-level accuracy. …”
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Participatory Science and Machine Learning Applied to Millions of Sources in the Hobby–Eberly Telescope Dark Energy Experiment by Lindsay R. House, Karl Gebhardt, Keely Finkelstein, Erin Mentuch Cooper, Dustin Davis, Daniel J. Farrow, Donald P. Schneider

“…We are merging a large participatory science effort with machine learning to enhance the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX). Our overall goal is to remove false positives, allowing us to use lower signal-to-noise data and sources with low goodness-of-fit. …”
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VIRUS: status and performance of the massively-replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope by Hill, G, Kelz, A, Lee, H, MacQueen, P, Peterson, TW, Ramsey, J, Vattiat, BL, DePoy, DL, Drory, N, Gebhardt, K, Good, JM, Jahn, T, Kriel, H, Marshall, JL, Tuttle, SE, Zeimann, G, Balderrama, E, Bryant, R, Buetow, B, Chonis, T, Damm, G, Fabricius, MH, Farrow, D, Fowler, J, Froning, C, Haynes, DM, Indahl, BL, Martin, J, Montesano, F, Mrozinski, E, Nicklas, H, Noyola, E, Odewahn, S, Peterson, A, Prochaska, T, Rostopchin, S, Shetrone, M, Smith, G, Snigula, JM, Spencer, R, Westfall, A, Armandroff, T, Bender, R, Dalton, G, Steinmetz, M

“…</p> <br/> <p>The main motivator for VIRUS is to map the evolution of dark energy for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX‡), using 0.8M Lyman-alpha emitting galaxies as tracers. …”

The Preexplosion Environments and the Progenitor of SN 2023ixf from the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) by Chenxu Liu, Xinlei Chen, Xinzhong Er, Gregory R. Zeimann, József Vinkó, J. Craig Wheeler, Erin Mentuch Cooper, Dustin Davis, Daniel J. Farrow, Karl Gebhardt, Helong Guo, Gary J. Hill, Lindsay House, Wolfram Kollatschny, Fanchuan Kong, Brajesh Kumar, Xiangkun Liu, Sarah Tuttle, Michael Endl, Parker Duke, William D. Cochran, Jinghua Zhang, Xiaowei Liu

“…The host galaxy, M101, was observed by the Hobby–Eberly Telescope Dark Energy Experiment collaboration over the period 2020 April 30–2020 July 10, using the Visible Integral-field Replicable Unit Spectrograph (3470 ≲ λ ≲ 5540 Å) on the 10 m Hobby–Eberly Telescope. …”
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The Hobby–Eberly Telescope Dark Energy Experiment Survey (HETDEX) Active Galactic Nuclei Catalog: The Fourth Data Release by Chenxu Liu, Karl Gebhardt, Erin Mentuch Cooper, Dustin Davis, Donald P. Schneider, Matt J. Jarvis, Daniel J. Farrow, Steven L. Finkelstein, Óscar A. Chávez Ortiz, The HETDEX Collaboration

“…We present the active galactic nuclei (AGN) catalog from the fourth data release (HDR4) of the Hobby–Eberly Telescope Dark Energy Experiment Survey (HETDEX). …”
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VIRUS: Production of a massively replicated 33k fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope by Hill, G, Tuttle, SE, Lee, H, Vattiat, B, Cornell, M, DePoy, D, Drory, N, Fabricius, M, Kelz, A, Marshall, J, Murphy, J, Prochaska, T, Allen, R, Bender, R, Blanc, G, Chonis, T, Dalton, G, Gebhardt, K, Good, J, Haynes, D, Jahn, T, MacQueen, P, Rafal, MD, Roth, M, Savage, R

“…The main motivator for VIRUS is to map the evolution of dark energy for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX‡) using 0.8M Lyman-α emitting galaxies as tracers. …”

KEPLER-15b: A HOT JUPITER ENRICHED IN HEAVY ELEMENTS AND THE FIRST KEPLER MISSION PLANET CONFIRMED WITH THE HOBBY-EBERLY TELESCOPE by Demory, Brice-Olivier

“…For the first time, we have used the High Resolution Spectrograph (HRS) at the Hobby-Eberly Telescope (HET) to determine the mass of a Kepler planet via precise radial velocity (RV) measurements. …”
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OPTICAL SPECTROSCOPY OF BRIGHT FERMI LAT BLAZARS by Shaw, MS, Romani, R, Healey, SE, Cotter, G, Michelson, P, Readhead, A

“…We report on Hobby-Eberly Telescope and Palomar 5 m spectroscopy of recently identified γ-ray blazars in the Fermi LAT Bright Source List. …”

VIRUS early installation and commissioning by Tuttle, S, Hill, G, Vattiat, B, Lee, H, Drory, N, Kelz, A, Dalton, G

“…VIRUS is a massively replicated spectrograph built for HETDEX, the Hobby Eberly Telescope Dark Energy Experiment. It consists of 156 channels within 78 units fed by 34944 fibers over the 22 arcminute field of the upgraded HET. …”

Dark No More: The Low-luminosity Stellar Counterpart of a Dark Cloud in the Virgo Cluster by Michael G. Jones, Steven Janowiecki, Swapnaneel Dey, David J. Sand, Paul Bennet, Denija Crnojević, Catherine E. Fielder, Ananthan Karunakaran, Brian R. Kent, Nicolas Mazziotti, Burçin Mutlu-Pakdil, Kristine Spekkens

“…Follow-up observations with the Green Bank Telescope, Hobby–Eberly Telescope, and Hubble Space Telescope demonstrate that this faint counterpart is at the same velocity as the atomic gas, actively forming stars, and metal-rich (12 + (O/H) = 8.58 ± 0.25). …”
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The Mitchell Spectrograph: Studying Nearby Galaxies with the VIRUS Prototype by Guillermo A. Blanc

“…VIRUS will be deployed on the 9.2 meter Hobby-Eberly Telescope (HET) and will be used to conduct the HET Dark Energy Experiment (HETDEX). …”
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THE HETDEX PILOT SURVEY. IV. THE EVOLUTION OF [O II] EMITTING GALAXIES FROM z similar to 0.5 TO z similar to 0 by Ciardullo, R, Gronwall, C, Adams, J, Blanc, G, Gebhardt, K, Finkelstein, S, Jogee, S, Hill, G, Drory, N, Hopp, U, Schneider, D, Zeimann, G, Dalton, G

“…We present an analysis of the luminosities and equivalent widths of the 284 z &lt; 0.56 [O II]-emitting galaxies found in the 169 arcmin2 pilot survey for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). By combining emission-line fluxes obtained from the Mitchell spectrograph on the McDonald 2.7 m telescope with deep broadband photometry from archival data, we derive each galaxy's dereddened [O II] λ3727 luminosity and calculate its total star formation rate. …”

Spectroscopic Survey of Faint Planetary-nebula Nuclei. IV. The A35-type Central Star of Pa 27 by Howard E. Bond, Gregory R. Zeimann

“…We present optical spectroscopy of the 12th-magnitude central star of the planetary nebula (PN) Patchick 27 (Pa 27), obtained during a survey of faint PN nuclei (PNNs) with the Low-Resolution Spectrograph of the Hobby–Eberly Telescope. The optical spectrum of Pa 27 is that of a K0 III red giant with rotationally broadened lines. …”
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Effect of Lyα Radiative Transfer on Intensity Mapping Power Spectra by Maja Lujan Niemeyer

“…We study the impact of Ly α RT effects on the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) LAE and LIM power spectra using lognormal mocks. …”
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SIMPLE: Simple Intensity Map Producer for Line Emission by Maja Lujan Niemeyer, José Luis Bernal, Eiichiro Komatsu

“…As an example application, we make forecasts for the sensitivity of an intensity mapping experiment similar to the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) to the cross-power spectrum of Ly α -emitting galaxies and the Ly α intensity. …”
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The 14 Her Planetary System: Companion Masses and Architecture from Radial Velocities and Astrometry by G. F. Benedict, B. E. McArthur, E. P. Nelan, J. L. Bean

“…Radial velocities obtained with the Hobby–Eberly Telescope and from the literature now span over 25 years. …”
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Cosmological 3D H I gas map with HETDEX Ly alpha emitters and eBOSS QSOs at z=2: IGM-Galaxy/QSO connection and a similar to 40 Mpc scale giant H ii bubble candidate by Mukae, S, Ouchi, M, Hill, GJ, Gebhardt, K, Cooper, EM, Jeong, D, Saito, S, Fabricius, M, Gawiser, E, Ciardullo, R, Farrow, D, Davis, D, Zeimann, G, Finkelstein, SL, Gronwall, C, Liu, C, Zhang, Y, Byrohl, C, Ono, Y, Schneider, DP, Jarvis, MJ, Casey, CM, Mawatari, K

“…We present cosmological (30−400 Mpc) distributions of neutral hydrogen (H i) in the intergalactic medium (IGM) traced by Lyα emitters (LAEs) and QSOs at z = 2.1–2.5, selected with the data of the ongoing Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) and the eBOSS survey. …”