Chunxiang Wang
Do satellite galaxies trace matter in galaxy clusters?
Wang, Chunxiang; Li, Ran; Gao, Liang; Shan, Huanyuan; Kneib, Jean-Paul; Wang, Wenting; Chen, Gang; Makler, Martin; Pereira, Maria E.S.; Wang, Lin; Maia, Marcio A.G.; Erben, Thomas
Authors
Ran Li
Liang Gao
Huanyuan Shan
Jean-Paul Kneib
Wenting Wang
Gang Chen
Martin Makler
Maria E.S. Pereira
Lin Wang
Marcio A.G. Maia
Thomas Erben
Abstract
The spatial distribution of satellite galaxies encodes rich information of the structure and assembly history of galaxy clusters. In this paper, we select a red-sequence Matched-filter Probabilistic Percolation cluster sample in SDSS Stripe 82 region with 0.1 ≤ z ≤ 0.33, 20 < λ < 100, and Pcen > 0.7. Using the high-quality weak lensing data from CS82 Survey, we constrain the mass profile of this sample. Then we compare directly the mass density profile with the satellite number density profile. We find that the total mass and number density profiles have the same shape, both well fitted by an NFW profile. The scale radii agree with each other within a 1σ error ( rs,gal=0.34+0.04−0.03 Mpc versus rs=0.37+0.15−0.10 Mpc).
Citation
Wang, C., Li, R., Gao, L., Shan, H., Kneib, J., Wang, W., …Erben, T. (2018). Do satellite galaxies trace matter in galaxy clusters?. Monthly Notices of the Royal Astronomical Society, 475(3), 4020-4026. https://doi.org/10.1093/mnras/sty073
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 5, 2018 |
Online Publication Date | Jan 10, 2018 |
Publication Date | Apr 11, 2018 |
Deposit Date | Apr 13, 2018 |
Publicly Available Date | Mar 29, 2024 |
Journal | Monthly Notices of the Royal Astronomical Society |
Print ISSN | 0035-8711 |
Electronic ISSN | 1365-2966 |
Publisher | Royal Astronomical Society |
Peer Reviewed | Peer Reviewed |
Volume | 475 |
Issue | 3 |
Pages | 4020-4026 |
DOI | https://doi.org/10.1093/mnras/sty073 |
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Copyright Statement
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
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