The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment

Abolfathi, Bela and Aguado, D.S. and Aguilar, Gabriela and Allende Prieto, Carlos and Almeida, Andres and Ananna, Tonima Tasnim and Anders, Friedrich and Anderson, Scott F. and Andrews, Brett and Anguiano, Borja and Aragón-Salamanca, Alfonso and Argudo-Fernandez, Maria and Armengaud, Eric and Ata, Metin and Aubourg, Eric and Merrifield, Michael R. and Smethurst, Rebecca J. (2017) The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment. Astrophysical Journal Supplement Series . ISSN 1538-4365 (In Press)

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Abstract

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourteenth from SDSS overall (making this, Data Release Fourteen or DR14). This release makes public data taken by SDSS-IV in its first two years of operation (July 2014-2016). Like all previous SDSS releases, DR14 is cumulative, including the most recent reductions and calibrations of all data taken by SDSS since the first phase began operations in 2000. New in DR14 is the first public release of data from the extended Baryon Oscillation Spectroscopic Survey (eBOSS); the first data from the second phase of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE-2), including stellar parameter estimates from an innovative data driven machine learning algorithm known as “The Cannon"; and almost twice as many data cubes from the Mapping Nearby Galaxies at APO (MaNGA) survey as were in the previous release (N = 2812 in total). This paper describes the location and format of the publicly available data from SDSS-IV surveys. We provide references to the important technical papers describing how these data have been taken (both targeting and observation details) and processed for scientific use. The SDSS website (www.sdss.org) has been updated for this release, and provides links to data downloads, as well as tutorials and examples of data use. SDSS-IV is planning to continue to collect astronomical data until 2020, and will be followed by SDSS-V.

Item Type: Article
Additional Information: 350 authors in total
Keywords: Atlases, Catalogs, Surveys
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Depositing User: Eprints, Support
Date Deposited: 05 Dec 2017 09:50
Last Modified: 05 Dec 2017 15:07
URI: http://eprints.nottingham.ac.uk/id/eprint/48523

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