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Title: The HectoMAP Cluster Survey. I. redMaPPer Clusters

Journal Article · · The Astrophysical Journal (Online)
ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [3]; ORCiD logo [4];  [5]
  1. Smithsonian Astrophysical Observatory, Cambridge, MA (United States)
  2. Western Washington Univ., Bellingham, WA (United States). Dept. of Physics and Astronomy
  3. Korea Inst. for Advanced Study, Seoul (Korea, Republic of). Quantum Universe Center
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology
  5. Univ. di Torino, Torino (Italy). Dipt. di Fisica

We use the dense HectoMAP redshift survey to explore the properties of 104 redMaPPer cluster candidates. The redMaPPer systems in HectoMAP cover the full range of richness and redshift (0.08 < z < 0.60). Fifteen of the systems included in the Subaru/Hyper Suprime-Cam public data release are bona fide clusters. The median number of spectroscopic members per cluster is ~20. We include redshifts of 3547 member candidates listed in the redMaPPer catalog whether they are cluster members or not. Here, we evaluate the redMaPPer membership probability spectroscopically. The purity (number of real systems) in redMaPPer exceeds 90% even at the lowest richness. Three massive galaxy clusters (M ~ 2 × 1013 M ) associated with X-ray emission in the HectoMAP region are not included in the public redMaPPer catalog with λrich > 20, because they lie outside the cuts for this catalog.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1436083
Journal Information:
The Astrophysical Journal (Online), Vol. 856, Issue 2; ISSN 1538-4357
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (11)

Mass calibration of the CODEX cluster sample using SPIDERS spectroscopy – I. The richness–mass relation journal March 2019
Quiescent Galaxy Size and Spectroscopic Evolution: Combining HSC Imaging and Hectospec Spectroscopy journal February 2019
A Spectroscopic Census of X-Ray Systems in the COSMOS Field journal August 2019
The whole picture of the large-scale structure of the CL1604 supercluster at z ∼ 0.9 journal September 2019
Methods for cluster cosmology and application to the SDSS in preparation for DES Year 1 release journal July 2019
HeCS-red: Dense Hectospec Surveys of redMaPPer-selected Clusters journal August 2018
A Complete Spectroscopic Census of A2029: A Tale of Three Histories journal February 2019
HeCS-red: Dense Hectospec Surveys of redMaPPer-Selected Clusters text January 2017
A Complete Spectroscopic Census of Abell 2029: A Tale of Three Histories text January 2018
Quiescent Galaxy Size and Spectroscopic Evolution: Combining HSC Imaging and Hectospec Spectroscopy text January 2018
The whole picture of the large-scale structure of the CL1604 supercluster at z$\sim$0.9 text January 2019


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