SPIDERS: an overview of the largest catalogue of spectroscopically confirmed x-ray galaxy clusters
Journal Article
·
· Monthly Notices of the Royal Astronomical Society
- Univ. of Helsinki (Finland); Helsinki Inst. of Physics (Finland)
- Univ. de Toulouse (France); Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse (France); Centre National de la Recherche Scientifique (CNRS), Toulouse (France); Université Paul Sabatier (UPS), Toulouse (France); Centre National D'Etudes Spatiales (CNES), Toulouse (France)
- Univ. of Helsinki (Finland)
- Max-Planck-Institut fur extraterrestrische Physik, Garching (Germany)
- Liverpool John Moores Univ. (United Kingdom). Astrophyics Research Institute
- Stanford Univ., CA (United States). Kavli Institute for Particle Astrophysics & Cosmology; SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Univ. of Trieste (Italy); IFPU - Institute for Fundamental Physics of the Universe, Trieste (Italy); INAF-Osservatorio Astronomico di Trieste, Trieste (Italy)
- Stockholm Univ. (Sweden). Oskar Klein Centre
- Pontificia Universidad Catolica de Chile, Santiago (Chile)
- Institut d’Astrophysique de Paris, Paris (France)
- Univ. of Utah, Salt Lake City, UT (United States)
- Pennsylvania State Univ., University Park, PA (United States). Institute for Gravitation and the Cosmos
SPIDERS is the spectroscopic follow-up effort of the Sloan Digital Sky Survey IV (SDSS-IV) project for the identification of X-ray selected galaxy clusters. We present our catalogue of 2740 visually inspected galaxy clusters as part of the SDSS Data Release 16 (DR16). Here we detail the target selection, our methods for validation of the candidate clusters, performance of the survey, the construction of the final sample, and a full description of what is found in the catalogue. Of the sample, the median number of members per cluster is approximately 10, with 818 having 15 or greater. We find that we are capable of validating over 99 per cent of clusters when five redshifts are obtained below z < 0.3 and when nine redshifts are obtained above z > 0.3. We discuss the improvements in this catalogue’s identification of cluster using 33 340 redshifts, with Δzphot/Δzspec ~100, over other photometric and spectroscopic surveys, as well as presenting an update to previous (σ–LX) and (σ–λ) relations. Finally, we present our cosmological constraints derived using the velocity dispersion function.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- Academy of Finland; Embassy of France in Finland; Finnish Academy of Science and Letters; Finnish Society of Sciences and Letters; French Ministry of Higher Education, Research and Innovation; Institut Franc¸ais de Finlande; USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1807797
- Journal Information:
- Monthly Notices of the Royal Astronomical Society, Journal Name: Monthly Notices of the Royal Astronomical Society Journal Issue: 4 Vol. 503; ISSN 0035-8711
- Publisher:
- Royal Astronomical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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