HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey
We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and angular diameter distance at 1.88 < z < 3.52 by using the...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2023-01-01
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| Series: | The Astrophysical Journal |
| Subjects: | |
| Online Access: | https://doi.org/10.3847/1538-4357/aca962 |
| _version_ | 1797695828168540160 |
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| author | Erin Mentuch Cooper Karl Gebhardt Dustin Davis Daniel J. Farrow Chenxu Liu Gregory Zeimann Robin Ciardullo John J. Feldmeier Niv Drory Donghui Jeong Barbara Benda William P. Bowman Michael Boylan-Kolchin Óscar A. Chávez Ortiz Maya H. Debski Mona Dentler Maximilian Fabricius Rameen Farooq Steven L. Finkelstein Eric Gawiser Caryl Gronwall Gary J. Hill Ulrich Hopp Lindsay R. House Steven Janowiecki Hasti Khoraminezhad Wolfram Kollatschny Eiichiro Komatsu Martin Landriau Maja Lujan Niemeyer Hanshin Lee Phillip MacQueen Ken Mawatari Brianna McKay Masami Ouchi Jennifer Poppe Shun Saito Donald P. Schneider Jan Snigula Benjamin P. Thomas Sarah Tuttle Tanya Urrutia Laurel Weiss Lutz Wisotzki Yechi Zhang The HETDEX collaboration |
| author_facet | Erin Mentuch Cooper Karl Gebhardt Dustin Davis Daniel J. Farrow Chenxu Liu Gregory Zeimann Robin Ciardullo John J. Feldmeier Niv Drory Donghui Jeong Barbara Benda William P. Bowman Michael Boylan-Kolchin Óscar A. Chávez Ortiz Maya H. Debski Mona Dentler Maximilian Fabricius Rameen Farooq Steven L. Finkelstein Eric Gawiser Caryl Gronwall Gary J. Hill Ulrich Hopp Lindsay R. House Steven Janowiecki Hasti Khoraminezhad Wolfram Kollatschny Eiichiro Komatsu Martin Landriau Maja Lujan Niemeyer Hanshin Lee Phillip MacQueen Ken Mawatari Brianna McKay Masami Ouchi Jennifer Poppe Shun Saito Donald P. Schneider Jan Snigula Benjamin P. Thomas Sarah Tuttle Tanya Urrutia Laurel Weiss Lutz Wisotzki Yechi Zhang The HETDEX collaboration |
| author_sort | Erin Mentuch Cooper |
| collection | DOAJ |
| description | We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and angular diameter distance at 1.88 < z < 3.52 by using the spatial distribution of more than a million Ly α -emitting galaxies over a total target area of 540 deg ^2 . The catalog comes from contiguous fiber spectra coverage of 25 deg ^2 of sky from 2017 January through 2020 June, where object detection is performed through two complementary detection methods: one designed to search for line emission and the other a search for continuum emission. The HETDEX public release catalog is dominated by emission-line galaxies and includes 51,863 Ly α -emitting galaxy (LAE) identifications and 123,891 [O ii ]-emitting galaxies at z < 0.5. Also included in the catalog are 37,916 stars, 5274 low-redshift ( z < 0.5) galaxies without emission lines, and 4976 active galactic nuclei. The catalog provides sky coordinates, redshifts, line identifications, classification information, line fluxes, [O ii ] and Ly α line luminosities where applicable, and spectra for all identified sources processed by the HETDEX detection pipeline. Extensive testing demonstrates that HETDEX redshifts agree to within Δ z < 0.02, 96.1% of the time to those in external spectroscopic catalogs. We measure the photometric counterpart fraction in deep ancillary Hyper Suprime-Cam imaging and find that only 55.5% of the LAE sample has an r -band continuum counterpart down to a limiting magnitude of r ∼ 26.2 mag (AB) indicating that an LAE search of similar sensitivity to HETDEX with photometric preselection would miss nearly half of the HETDEX LAE catalog sample. Data access and details about the catalog can be found online at http://hetdex.org/ . A copy of the catalogs presented in this work (Version 3.2) is available to download at Zenodo doi:10.5281/zenodo.7448504. |
| first_indexed | 2024-03-12T03:16:52Z |
| format | Article |
| id | doaj.art-439248c120d34176bd1145fb5007246d |
| institution | Directory Open Access Journal |
| issn | 1538-4357 |
| language | English |
| last_indexed | 2024-03-12T03:16:52Z |
| publishDate | 2023-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Astrophysical Journal |
| spelling | doaj.art-439248c120d34176bd1145fb5007246d2023-09-03T14:08:24ZengIOP PublishingThe Astrophysical Journal1538-43572023-01-01943217710.3847/1538-4357/aca962HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic SurveyErin Mentuch Cooper0https://orcid.org/0000-0002-2307-0146Karl Gebhardt1https://orcid.org/0000-0002-8433-8185Dustin Davis2https://orcid.org/0000-0002-8925-9769Daniel J. Farrow3https://orcid.org/0000-0003-2575-0652Chenxu Liu4https://orcid.org/0000-0001-5561-2010Gregory Zeimann5https://orcid.org/0000-0003-2307-0629Robin Ciardullo6https://orcid.org/0000-0002-1328-0211John J. Feldmeier7https://orcid.org/0000-0003-2908-2620Niv Drory8https://orcid.org/0000-0002-7339-3170Donghui Jeong9https://orcid.org/0000-0002-8434-979XBarbara Benda10William P. Bowman11https://orcid.org/0000-0003-4381-5245Michael Boylan-Kolchin12https://orcid.org/0000-0002-9604-343XÓscar A. Chávez Ortiz13https://orcid.org/0000-0003-2332-5505Maya H. Debski14https://orcid.org/0000-0002-1998-5677Mona Dentler15https://orcid.org/0000-0002-5149-2282Maximilian Fabricius16Rameen Farooq17Steven L. Finkelstein18https://orcid.org/0000-0001-8519-1130Eric Gawiser19https://orcid.org/0000-0003-1530-8713Caryl Gronwall20https://orcid.org/0000-0001-6842-2371Gary J. Hill21https://orcid.org/0000-0001-6717-7685Ulrich Hopp22https://orcid.org/0000-0003-1008-225XLindsay R. House23https://orcid.org/0000-0002-1496-6514Steven Janowiecki24https://orcid.org/0000-0001-9165-8905Hasti Khoraminezhad25https://orcid.org/0000-0001-5610-4405Wolfram Kollatschny26https://orcid.org/0000-0002-0417-1494Eiichiro Komatsu27https://orcid.org/0000-0002-0136-2404Martin Landriau28https://orcid.org/0000-0003-1838-8528Maja Lujan Niemeyer29https://orcid.org/0000-0002-6907-8370Hanshin Lee30https://orcid.org/0000-0002-3559-5310Phillip MacQueen31Ken Mawatari32https://orcid.org/0000-0003-4985-0201Brianna McKay33Masami Ouchi34https://orcid.org/0000-0002-1049-6658Jennifer Poppe35Shun Saito36https://orcid.org/0000-0002-6186-5476Donald P. Schneider37https://orcid.org/0000-0001-7240-7449Jan Snigula38https://orcid.org/0000-0003-4044-5357Benjamin P. Thomas39https://orcid.org/0000-0002-0977-1974Sarah Tuttle40https://orcid.org/0000-0002-7327-565XTanya Urrutia41https://orcid.org/0000-0001-6746-9936Laurel Weiss42https://orcid.org/0000-0002-4974-1243Lutz Wisotzki43Yechi Zhang44https://orcid.org/0000-0003-3817-8739The HETDEX collaborationDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.edu; McDonald Observatory, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USADepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduUniversity Observatory, Fakultät für Physik, Ludwig-Maximilians University Munich , Scheinerstrasse 1, D-81679 Munich, Germany; Max-Planck Institut für extraterrestrische Physik , Giessenbachstrasse 1, D-85748 Garching, GermanyDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduHobby-Eberly Telescope, University of Texas , Austin, Austin, TX 78712, USADepartment of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802, USA; Institute for Gravitation and the Cosmos, The Pennsylvania State University , University Park, PA 16802, USADepartment of Physics, Astronomy, Geology, and Environmental Sciences, Youngstown State University Youngstown, OH 44555, USAMcDonald Observatory, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USADepartment of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802, USA; Institute for Gravitation and the Cosmos, The Pennsylvania State University , University Park, PA 16802, USAPhysics and Astronomy Department, Rutgers, The State University , Piscataway, NJ 08854-8019, USADepartment of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802, USA; Institute for Gravitation and the Cosmos, The Pennsylvania State University , University Park, PA 16802, USADepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduDepartment of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802, USAInstitut für Astrophysik, Universität Göttingen , Friedrich-Hund-Platz 1, D-37077 Göttingen, GermanyUniversity Observatory, Fakultät für Physik, Ludwig-Maximilians University Munich , Scheinerstrasse 1, D-81679 Munich, Germany; Max-Planck Institut für extraterrestrische Physik , Giessenbachstrasse 1, D-85748 Garching, GermanyPhysics and Astronomy Department, Rutgers, The State University , Piscataway, NJ 08854, USADepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduPhysics and Astronomy Department, Rutgers, The State University , Piscataway, NJ 08854, USADepartment of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802, USA; Institute for Gravitation and the Cosmos, The Pennsylvania State University , University Park, PA 16802, USADepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.edu; McDonald Observatory, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USAUniversity Observatory, Fakultät für Physik, Ludwig-Maximilians University Munich , Scheinerstrasse 1, D-81679 Munich, Germany; Max-Planck Institut für extraterrestrische Physik , Giessenbachstrasse 1, D-85748 Garching, GermanyDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduUniversity of Texas , Hobby-Eberly Telescope, McDonald Observatory, TX 79734, USAInstitute for Multi-messenger Astrophysics and Cosmology, Department of Physics, Missouri University of Science and Technology , 1315 N Pine Street, Rolla, MO 65409, USAInstitut für Astrophysik, Universität Göttingen , Friedrich-Hund-Platz 1, D-37077 Göttingen, GermanyMax-Planck-Institut für Astrophysik , Karl-Schwarzschild-Str. 1, D-85741 Garching, Germany; Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, the University of Tokyo , Kashiwanoha, Kashiwa, Chiba 277-8583, JapanLawrence Berkeley National Laboratory , 1 Cyclotron Road, Berkeley, CA 94720, USAMax-Planck-Institut für Astrophysik , Karl-Schwarzschild-Str. 1, D-85741 Garching, GermanyMcDonald Observatory, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USAMcDonald Observatory, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USANational Astronomical Observatory of Japan , Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan; Institute for Cosmic Ray Research, The University of Tokyo , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8582, JapanDepartment of Astronomy, University of Washington , Seattle, 3910 15th Avenue NE, Room C319, Seattle, WA 98195-0002, USAKavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, the University of Tokyo , Kashiwanoha, Kashiwa, Chiba 277-8583, Japan; Institute for Cosmic Ray Research, The University of Tokyo , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8582, Japan; National Astronomical Observatory of Japan , 2-21-1 Osawa, Mitaka, Tokyo 181-8588, JapanDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduInstitute for Multi-messenger Astrophysics and Cosmology, Department of Physics, Missouri University of Science and Technology , 1315 N Pine Street, Rolla, MO 65409, USA; Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, the University of Tokyo , Kashiwanoha, Kashiwa, Chiba 277-8583, JapanDepartment of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802, USA; Institute for Gravitation and the Cosmos, The Pennsylvania State University , University Park, PA 16802, USAMax-Planck Institut für extraterrestrische Physik , Giessenbachstrasse 1, D-85748 Garching, GermanyDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduDepartment of Astronomy, University of Washington , Seattle, 3910 15th Avenue NE, Room C319, Seattle, WA 98195-0002, USALeibniz-Institut für Astrophysik Potsdam (AIP) , An der Sternwarte 16, D-14482 Potsdam, GermanyDepartment of Astronomy, The University of Texas at Austin , 2515 Speedway Boulevard, Austin, TX 78712, USA ; erin@astro.as.utexas.eduLeibniz-Institut für Astrophysik Potsdam (AIP) , An der Sternwarte 16, D-14482 Potsdam, GermanyInstitute for Cosmic Ray Research, The University of Tokyo , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8582, Japan; Department of Astronomy, Graduate School of Science, the University of Tokyo , 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, JapanWe present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and angular diameter distance at 1.88 < z < 3.52 by using the spatial distribution of more than a million Ly α -emitting galaxies over a total target area of 540 deg ^2 . The catalog comes from contiguous fiber spectra coverage of 25 deg ^2 of sky from 2017 January through 2020 June, where object detection is performed through two complementary detection methods: one designed to search for line emission and the other a search for continuum emission. The HETDEX public release catalog is dominated by emission-line galaxies and includes 51,863 Ly α -emitting galaxy (LAE) identifications and 123,891 [O ii ]-emitting galaxies at z < 0.5. Also included in the catalog are 37,916 stars, 5274 low-redshift ( z < 0.5) galaxies without emission lines, and 4976 active galactic nuclei. The catalog provides sky coordinates, redshifts, line identifications, classification information, line fluxes, [O ii ] and Ly α line luminosities where applicable, and spectra for all identified sources processed by the HETDEX detection pipeline. Extensive testing demonstrates that HETDEX redshifts agree to within Δ z < 0.02, 96.1% of the time to those in external spectroscopic catalogs. We measure the photometric counterpart fraction in deep ancillary Hyper Suprime-Cam imaging and find that only 55.5% of the LAE sample has an r -band continuum counterpart down to a limiting magnitude of r ∼ 26.2 mag (AB) indicating that an LAE search of similar sensitivity to HETDEX with photometric preselection would miss nearly half of the HETDEX LAE catalog sample. Data access and details about the catalog can be found online at http://hetdex.org/ . A copy of the catalogs presented in this work (Version 3.2) is available to download at Zenodo doi:10.5281/zenodo.7448504.https://doi.org/10.3847/1538-4357/aca962Redshift surveysCatalogsEmission line galaxiesLyman-alpha galaxies |
| spellingShingle | Erin Mentuch Cooper Karl Gebhardt Dustin Davis Daniel J. Farrow Chenxu Liu Gregory Zeimann Robin Ciardullo John J. Feldmeier Niv Drory Donghui Jeong Barbara Benda William P. Bowman Michael Boylan-Kolchin Óscar A. Chávez Ortiz Maya H. Debski Mona Dentler Maximilian Fabricius Rameen Farooq Steven L. Finkelstein Eric Gawiser Caryl Gronwall Gary J. Hill Ulrich Hopp Lindsay R. House Steven Janowiecki Hasti Khoraminezhad Wolfram Kollatschny Eiichiro Komatsu Martin Landriau Maja Lujan Niemeyer Hanshin Lee Phillip MacQueen Ken Mawatari Brianna McKay Masami Ouchi Jennifer Poppe Shun Saito Donald P. Schneider Jan Snigula Benjamin P. Thomas Sarah Tuttle Tanya Urrutia Laurel Weiss Lutz Wisotzki Yechi Zhang The HETDEX collaboration HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey The Astrophysical Journal Redshift surveys Catalogs Emission line galaxies Lyman-alpha galaxies |
| title | HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey |
| title_full | HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey |
| title_fullStr | HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey |
| title_full_unstemmed | HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey |
| title_short | HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey |
| title_sort | hetdex public source catalog 1 220 k sources including over 50 k lyα emitters from an untargeted wide area spectroscopic survey |
| topic | Redshift surveys Catalogs Emission line galaxies Lyman-alpha galaxies |
| url | https://doi.org/10.3847/1538-4357/aca962 |
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