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The Sloan Digital Sky Survey Quasar catalog : fourteenth data release

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Date
30/05/2018
Author
Pâris, Isabelle
Petitjean, Patrick
Aubourg, Eric
Myers, Adam D.
Streblyanska, Alina
Lyke, Brad W.
Anderson, Scott F.
Armengaud, Éric
Bautista, Julian
Blanton, Michael R.
Blomqvist, Michael
Brinkmann, Jonathan
Brownstein, Joel R.
Brandt, William Nielsen
Burtin, Étienne
Dawson, Kyle
de la Torre, Sylvain
Georgakakis, A.
Gil-Marin, H.
Green, P. J.
Hall, P. B.
Kneib, J. -P.
LaMassa, S. M.
Goff, J. -M. Le
MacLeod, Chelsea
Mariappan, V.
McGreer, I. D.
Merloni, A.
Noterdaeme, P.
Delabrouille, N. Palanque
Percival, W. J.
Ross, A. J.
Rossi, G.
Schneider, D. P.
Seo, H. -J.
Tojeiro, R.
Weaver, B. A.
Weijmans, A. -M.
Yèche, C.
Zarrouk, P.
Zhao, Gong-Bo
Keywords
Catalogs
Surveys
Quasars: general
QB Astronomy
QC Physics
DAS
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Abstract
We present the data release 14 Quasar catalog (DR14Q) from the extended Baryon Oscillation Spectroscopic Survey (eBOSS) of the Sloan Digital Sky Survey IV (SDSS-IV). This catalog includes all SDSS-IV/eBOSS objects that were spectroscopically targeted as quasar candidates and that are confirmed as quasars via a new automated procedure combined with a partial visual inspection of spectra, have luminosities Mi [z = 2] < −20.5 (in a Λ CDM cosmology with H0 = 70 km s−1 Mpc−1, ΩM =0.3, and ΩΛ = 0.7), and either display at least one emission line with a full width at half maximum larger than 500 km s−1 or, if not, have interesting/complex absorption features. The catalog also includes previously spectroscopically-confirmed quasars from SDSS-I, II, and III. The catalog contains 526 356 quasars (144 046 are new discoveries since the beginning of SDSS-IV) detected over 9376 deg2 (2044 deg2 having new spectroscopic data available) with robust identification and redshift measured by a combination of principal component eigenspectra. The catalog is estimated to have about 0.5% contamination. Redshifts are provided for the Mg II emission line. The catalog identifies 21 877 broad absorption line quasars and lists their characteristics. For each object, the catalog presents five-band (u, g, r, i, z) CCD-based photometry with typical accuracy of 0.03 mag. The catalog also contains X-ray, ultraviolet, near-infrared, and radio emission properties of the quasars, when available, from other large-area surveys. The calibrated digital spectra, covering the wavelength region 3610–10 140 Å at a spectral resolution in the range 1300 < R < 2500, can be retrieved from the SDSS Science Archiver Server.
Citation
Pâris , I , Petitjean , P , Aubourg , E , Myers , A D , Streblyanska , A , Lyke , B W , Anderson , S F , Armengaud , É , Bautista , J , Blanton , M R , Blomqvist , M , Brinkmann , J , Brownstein , J R , Brandt , W N , Burtin , É , Dawson , K , de la Torre , S , Georgakakis , A , Gil-Marin , H , Green , P J , Hall , P B , Kneib , J -P , LaMassa , S M , Goff , J -M L , MacLeod , C , Mariappan , V , McGreer , I D , Merloni , A , Noterdaeme , P , Delabrouille , N P , Percival , W J , Ross , A J , Rossi , G , Schneider , D P , Seo , H -J , Tojeiro , R , Weaver , B A , Weijmans , A -M , Yèche , C , Zarrouk , P & Zhao , G-B 2018 , ' The Sloan Digital Sky Survey Quasar catalog : fourteenth data release ' , Astronomy & Astrophysics , vol. 613 , A51 . https://doi.org/10.1051/0004-6361/201732445
Publication
Astronomy & Astrophysics
Status
Peer reviewed
DOI
https://doi.org/10.1051/0004-6361/201732445
ISSN
0004-6361
Type
Journal article
Rights
© ESO 2018. Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/14061

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