An Extended Halo-based Group/Cluster Finder: Application to the DESI Legacy Imaging Surveys DR8

An Extended Halo-based Group/Cluster Finder: Application to the DESI Legacy Imaging Surveys DR8

We extend the halo-based group finder developed by Yang et al. (2005c) to use data simultaneously with either photometric or spectroscopic redshifts. A mock galaxy redshift survey constructed from a high-resolution N-body simulation is used to evaluate the performance of this extended group finder....

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Veröffentlicht in:The Astrophysical journal 2021-03, Vol.909 (2), p.143, Article 143
Hauptverfasser: Yang, Xiaohu, Xu, Haojie, He, Min, Gu, Yizhou, Katsianis, Antonios, Meng, Jiacheng, Shi, Feng, Zou, Hu, Zhang, Youcai, Liu, Chengze, Wang, Zhaoyu, Dong, Fuyu, Lu, Yi, Li, Qingyang, Chen, Yangyao, Wang, Huiyuan, Mo, Houjun, Fu, Jian, Guo, Hong, Leauthaud, Alexie, Luo, Yu, Zhang, Jun, Zu, Ying
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy & Astrophysics
Astrophysics
Galaxies
Halos
Physical Sciences
Polls & surveys
Red shift
Science & Technology
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Zusammenfassung:We extend the halo-based group finder developed by Yang et al. (2005c) to use data simultaneously with either photometric or spectroscopic redshifts. A mock galaxy redshift survey constructed from a high-resolution N-body simulation is used to evaluate the performance of this extended group finder. For galaxies with magnitude z
ISSN:0004-637X
1538-4357
DOI:10.3847/1538-4357/abddb2