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  SPIDERS: an overview of the largest catalogue of spectroscopically confirmed x-ray galaxy clusters

Kirkpatrick, C. C., Clerc, N., Finoguenov, A., Damsted, S., Ider Chitham, J., Kukkola, A. E., et al. (2021). SPIDERS: an overview of the largest catalogue of spectroscopically confirmed x-ray galaxy clusters. Monthly Notices of the Royal Astronomical Society, 503(4), 5763-5777. doi:10.1093/mnras/stab127.

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Kirkpatrick, C. C., Author
Clerc, N., Author
Finoguenov, A., Author
Damsted, S., Author
Ider Chitham, J.1, Author           
Kukkola, A. E., Author
Gueguen, A.1, Author           
Furnell, K., Author
Rykoff, E., Author
Comparat, J.1, Author           
Saro, A., Author
Capasso, R., Author
Padilla, N., Author
Erfanianfar, G.1, Author           
Mamon, G. A., Author
Collins, C., Author
Merloni, A.1, Author           
Brownstein, J. R., Author
Schneider, D. P., Author
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1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: 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.

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Language(s): eng - English
 Dates: 2021-04-14
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1093/mnras/stab127
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Title: Monthly Notices of the Royal Astronomical Society
  Abbreviation : Mon. Not. Roy. Astron. Soc.
Source Genre: Journal
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Pages: - Volume / Issue: 503 (4) Sequence Number: - Start / End Page: 5763 - 5777 Identifier: ISSN: 0035-8711
ISSN: 1365-8711