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Published July 2020 | Version Published + Accepted Version
Journal Article Open

The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

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  • 1. ROR icon Catholic University of the North
  • 2. ROR icon Instituto de Astrofísica de Canarias
  • 3. ROR icon University of La Laguna
  • 4. ROR icon University of La Serena
  • 5. ROR icon Leibniz Institute for Astrophysics Potsdam
  • 6. ROR icon University of Barcelona
  • 7. ROR icon University of Washington
  • 8. ROR icon University of Pittsburgh
  • 9. ROR icon University of Virginia
  • 10. ROR icon Max Planck Institute for Extraterrestrial Physics
  • 11. ROR icon Institut de Recherche sur les Lois Fondamentales de l'Univers
  • 12. ROR icon Center for Particle Physics of Marseilles
  • 13. ROR icon Autonomous University of Madrid
  • 14. ROR icon Institute for Theoretical Physics
  • 15. ROR icon National Autonomous University of Mexico
  • 16. ROR icon Laboratoire de Physique Nucléaire et de Hautes Énergies
  • 17. ROR icon Texas Christian University
  • 18. ROR icon Yale University
  • 19. ROR icon University of Portsmouth
  • 20. ROR icon Carnegie Observatories
  • 21. ROR icon University of Notre Dame
  • 22. ROR icon University of Arizona
  • 23. ROR icon University of Pennsylvania
  • 24. ROR icon University of Wisconsin–Madison
  • 25. ROR icon South African Radio Astronomy Observatory
  • 26. ROR icon Vanderbilt University
  • 27. ROR icon New Mexico State University
  • 28. ROR icon Lomonosov Moscow State University
  • 29. ROR icon New York University
  • 30. ROR icon University of Antofagasta
  • 31. ROR icon University of Valparaíso
  • 32. ROR icon Millennium Institute of Astrophysics
  • 33. ROR icon University of Toronto
  • 34. ROR icon Pennsylvania State University
  • 35. ROR icon University of Utah
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  • 37. ROR icon University of Oxford
  • 38. ROR icon University of California, San Diego
  • 39. ROR icon Ludwig-Maximilians-Universität München
  • 40. ROR icon Excellence Cluster Universe
  • 41. ROR icon Trieste Astronomical Observatory
  • 42. ROR icon National Institute for Astrophysics
  • 43. ROR icon University of Birmingham
  • 44. ROR icon University of Waterloo
  • 45. ROR icon Space Telescope Science Institute
  • 46. ROR icon Sejong University
  • 47. ROR icon University of Colorado Boulder
  • 48. ROR icon Laboratório Interinstitucional de e-Astronomia
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  • 50. ROR icon Western Washington University
  • 51. ROR icon Universidade Federal de Santa Maria
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  • 58. ROR icon California State University, Chico
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  • 62. ROR icon Max Planck Institute for Astronomy
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  • 64. ROR icon Williams College
  • 65. ROR icon University of Nottingham
  • 66. ROR icon University of Iowa
  • 67. ROR icon Astrophysique, Instrumentation et Modélisation
  • 68. ROR icon University of Concepción
  • 69. ROR icon New York University Abu Dhabi
  • 70. ROR icon Liverpool John Moores University
  • 71. ROR icon Harvard-Smithsonian Center for Astrophysics
  • 72. ROR icon Shanghai Astronomical Observatory
  • 73. ROR icon Lawrence Berkeley National Laboratory
  • 74. ROR icon Case Western Reserve University
  • 75. ROR icon Max Planck Institute for Solar System Research
  • 76. ROR icon Aarhus University
  • 77. ROR icon Institute of Astronomy and Astrophysics, Academia Sinica
  • 78. ROR icon University of Hawaii at Manoa
  • 79. ROR icon The Ohio State University
  • 80. ROR icon University of Alabama
  • 81. ROR icon Malmö University
  • 82. ROR icon École Polytechnique Fédérale de Lausanne
  • 83. ROR icon Kavli Institute for the Physics and Mathematics of the Universe
  • 84. ROR icon Pontificia Universidad Católica de Chile
  • 85. ROR icon Tsinghua University
  • 86. ROR icon University of North Carolina at Asheville
  • 87. ROR icon University of Wyoming
  • 88. ROR icon Spanish National Research Council
  • 89. ROR icon Macquarie University
  • 90. ROR icon Eötvös Loránd University
  • 91. ROR icon Hungarian Academy of Sciences
  • 92. ROR icon Andrés Bello University
  • 93. ROR icon Vatican Observatory
  • 94. ROR icon Federal University of Rio Grande do Sul
  • 95. ROR icon Montana State University
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  • 97. ROR icon Institut d'Astrophysique de Paris
  • 98. ROR icon King's College - Pennsylvania
  • 99. ROR icon Perimeter Institute
  • 100. ROR icon California Institute of Technology
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  • 104. ROR icon San Diego State University
  • 105. ROR icon Observatoire de la Côte d'Azur
  • 106. ROR icon Lagrange Laboratory
  • 107. ROR icon Institute of Space Sciences
  • 108. ROR icon Institut d'Estudis Espacials de Catalunya
  • 109. ROR icon Korea Astronomy and Space Science Institute
  • 110. ROR icon Korea University of Science and Technology
  • 111. ROR icon Brookhaven National Laboratory
  • 112. ROR icon Universidade Federal de Sergipe
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  • 114. ROR icon University of Hertfordshire
  • 115. ROR icon University of Kentucky
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  • 117. ROR icon University of Chinese Academy of Sciences

Abstract

This paper documents the 16th data release (DR16) from the Sloan Digital Sky Surveys (SDSS), the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of data from the Southern Hemisphere survey of the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2); new data from APOGEE-2 North are also included. DR16 is also notable as the final data release for the main cosmological program of the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), and all raw and reduced spectra from that project are released here. DR16 also includes all the data from the Time Domain Spectroscopic Survey and new data from the SPectroscopic IDentification of ERosita Survey programs, both of which were co-observed on eBOSS plates. DR16 has no new data from the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey (or the MaNGA Stellar Library "MaStar"). We also preview future SDSS-V operations (due to start in 2020), and summarize plans for the final SDSS-IV data release (DR17).

Additional Information

© 2020. The Author(s). Published by the American Astronomical Society. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Received 2019 December 4; revised 2020 May 7; accepted 2020 May 11; published 2020 June 25. Funding for the Sloan Digital Sky Survey IV has been provided by the Alfred P. Sloan Foundation, the U.S. Department of Energy Office of Science, and the Participating Institutions. SDSS-IV acknowledges support and resources from the Center for High-Performance Computing at the University of Utah. The SDSS website is www.sdss.org. SDSS-IV is managed by the Astrophysical Research Consortium for the Participating Institutions of the SDSS Collaboration including the Brazilian Participation Group, the Carnegie Institution for Science, Carnegie Mellon University, the Chilean Participation Group, the French Participation Group, Harvard-Smithsonian Center for Astrophysics, Instituto de Astrofísica de Canarias, The Johns Hopkins University, Kavli Institute for the Physics and Mathematics of the Universe (IPMU)/University of Tokyo, Korean Participation Group, Lawrence Berkeley National Laboratory, Leibniz Institut für Astrophysik Potsdam (AIP), Max-Planck-Institut für Astronomie (MPIA Heidelberg), Max-Planck-Institut für Astrophysik (MPA Garching), Max-Planck-Institut für Extraterrestrische Physik (MPE), National Astronomical Observatories of China, New Mexico State University, New York University, University of Notre Dame, Observatário Nacional/MCTI, The Ohio State University, Pennsylvania State University, Shanghai Astronomical Observatory, United Kingdom Participation Group, Universidad Nacional Autónoma de México, University of Arizona, University of Colorado Boulder, University of Oxford, University of Portsmouth, University of Utah, University of Virginia, University of Washington, University of Wisconsin, Vanderbilt University, and Yale University. Co-authorship on SDSS-IV data papers is alphabetical by last name and offered to all collaboration members who have contributed at least one month FTE toward any of the surveys during the period up to the end of data collection; and any external collaboration who has contributed at least one month FTE to work critical to the data release. We would like to thank the Center for Cosmology and AstroParticle Physics (CCAPP) at the Ohio State University for their hospitality during "DocuBrew" 2019. This event held in 2019 August was the main venue for documentation updates for DR16 (including this paper), was organized by A.R., J.J., and A.-M.W and attended by R.B., J.B., B.C., K.D., S.H., A.J., J.H., K.M., J.R., J.S.-G., F.S., and M.T. (and remotely by H.J., J.B., J.H., J.S., C.G. J.C., S.A., R.T., B.L., and J.P.). Figures 1 and 2 were made by C.H. Figure 4 was made by A.R. and Figure 5 by M.V. and J.B. This research made use of astropy, a community-developed core python (http://www.python.org) package for Astronomy (Robitaille et al. 2013), ipython (Pérez & Granger 2007), matplotlib (Hunter 2007), numpy (Walt et al. 2011), scipy (Virtanen et al. 2020), and topcat (Taylor 2005).

Attached Files

Published - Ahumada_2020_ApJS_249_3.pdf

Accepted Version - 1912.02905.pdf

Files

1912.02905.pdf

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Additional details

Additional titles

Alternative title
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

Identifiers

Eprint ID
104069
Resolver ID
CaltechAUTHORS:20200626-103611474

Related works

Describes
https://arxiv.org/abs/1912.02905 (URL)

Funding

Alfred P. Sloan Foundation
Department of Energy (DOE)
Participating Institutions
NSF Astronomy and Astrophysics Fellowship
Hungarian Academy of Sciences

Dates

Created
2020-06-26
Created from EPrint's datestamp field
Updated
2023-03-16
Created from EPrint's last_modified field

Caltech Custom Metadata

Caltech groups
Infrared Processing and Analysis Center (IPAC)