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The thirteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV Survey mapping nearby galaxies at Apache Point Observatory

Research output: Contribution to journalArticle

  • Franco D. Albareti
  • Carlos Allende Prieto
  • Andres Almeida
  • Friedrich Anders
  • Scott Anderson
  • Brett H. Andrews
  • Alfonso Aragon-Salamanca
  • Maria Argudo-Fernandez
  • Eric Armengaud
  • Eric Aubourg
  • Vladimir Avila-Reese
  • Carles Badenes
  • Stephen Bailey
  • Beatriz Barbuy
  • Kat Barger
  • Jorge Barrera-Ballesteros
  • Curtis Bartosz
  • Sarbani Basu
  • Dominic Bates
  • Giuseppina Battaglia
  • Falk Baumgarten
  • Julien Baur
  • Timothy C. Beers
  • Francesco Belfiore
  • Matthew Bershady
  • Sara Bertran de Lis
  • Jonathan C. Bird
  • Dmitry Bizyaev
  • Guillermo A. Blanc
  • Michael Blanton
  • Michael Blomqvist
  • Adam S. Bolton
  • J. Borissova
  • Jo Bovy
  • Hector Gil Marin
  • Daniel Goddard
  • Violeta Gonzalez-Perez
  • Karen L. Masters
  • Will J. Percival
  • Matthew Pieri
  • Rossana Ruggeri
  • Rita Tojeiro
  • Kyle B. Westfall
  • Gong-Bo Zhao
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in July 2014. It pursues three core programs: APOGEE-2, MaNGA, and eBOSS. In addition, eBOSS contains two major subprograms: TDSS and SPIDERS. This paper describes the first data release from SDSS-IV, Data Release 13 (DR13), which contains new data, reanalysis of existing data sets and, like all SDSS data releases, is inclusive of previously released data. DR13 makes publicly available 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA, the first data released from this survey. It includes new observations from eBOSS, completing SEQUELS. In addition to targeting galaxies and quasars, SEQUELS also targeted variability-selected objects from TDSS and X-ray selected objects from SPIDERS. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification. DR13 releases new reductions of the APOGEE-1 data from SDSS-III, with abundances of elements not previously included and improved stellar parameters for dwarf stars and cooler stars. For the SDSS imaging data, DR13 provides new, more robust and precise photometric calibrations. Several value-added catalogs are being released in tandem with DR13, in particular target catalogs relevant for eBOSS, TDSS, and SPIDERS, and an updated red-clump catalog for APOGEE. This paper describes the location and format of the data now publicly available, as well as providing references to the important technical papers that describe the targeting, observing, and data reduction. The SDSS website, http://www.sdss.org, provides links to the data, tutorials and examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6-year operations of SDSS-IV.
Original languageEnglish
JournalThe Astrophysical Journal Supplement Series
Volume233
Issue number2
DOIs
Publication statusPublished - 8 Dec 2017

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