The dark matter environment of the Abell 901/902 supercluster: a weak lensing analysis of the HST STAGES survey
The dark matter environment of the Abell 901/902 supercluster: a weak lensing analysis of the HST STAGES survey
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Abell 901/902 超星系团的暗物质环境:HST STAGES 巡天的弱透镜分析
DOI:
10.1111/j.1365-2966.2008.12919.x
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发表时间:
2008-01
影响因子:
4.8
通讯作者:
Gray Me
中科院分区:
文献类型:
--
作者:
Häußler Boris;Sanchez Sebastian F.;van Waerbeke Ludovic;Meillier Yannick;Wisotzki Lutz;Peng Chien Y.;Lane Kyle;Barazza Fabio D.;Taylor Andy N.;Heymans Catherine;Zheng Xianzhong;van Kampen Eelco;Böhm Asmus;Jahnke Knud;McIntosh Daniel H.;Gray Me
We present a high-resolution dark matter reconstruction of the z = 0.165 Abell 901/902 supercluster from a weak lensing analysis of the Hubble Space Telescope STAGES survey. We detect the four main structures of the supercluster at high significance, resolving substructure within and between the clusters. We find that the distribution of dark matter is well traced by the cluster galaxies, with the brightest cluster galaxies marking out the strongest peaks in the dark matter distribution. We also find a significant extension of the dark matter distribution of Abell 901a in the direction of an infalling X-ray group Abell 901 alpha. We present mass, mass-to-light and mass-to-stellar mass ratio measurements of the structures and substructures that we detect. We find no evidence for variation of the mass-to-light and mass-to-stellar mass ratio between the different clusters. We compare our space-based lensing analysis with an earlier ground-based lensing analysis of the supercluster to demonstrate the importance of space-based imaging for future weak lensing dark matter 'observations'.
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DOI:
10.1086/518594
发表时间:
2007-04
期刊:
The Astrophysical Journal
影响因子:
--
作者:
Eric F. Bell;Xianzhong Zheng;C. Papovich;A. Borch;Christian Wolf;K. Meisenheimer
通讯作者:
Eric F. Bell;Xianzhong Zheng;C. Papovich;A. Borch;Christian Wolf;K. Meisenheimer
影响因子:
6.5
作者:
K. Dolag;M. Bartelmann;F. Perrotta;C. Baccigalupi;L. Moscardini;M. Meneghetti;G. Tormen
通讯作者:
K. Dolag;M. Bartelmann;F. Perrotta;C. Baccigalupi;L. Moscardini;M. Meneghetti;G. Tormen
DOI:
10.1086/309323
发表时间:
2000-04
期刊:
The Astrophysical Journal
影响因子:
--
作者:
M. Balogh;J. Navarro;S. Morris
通讯作者:
M. Balogh;J. Navarro;S. Morris
DOI:
10.1046/j.1365-8711.2001.04022.x
发表时间:
2000-09
影响因子:
4.8
作者:
P. Kroupa
通讯作者:
P. Kroupa
DOI:
10.1086/172297
发表时间:
1993-02
期刊:
The Astrophysical Journal
影响因子:
--
作者:
N. Kaiser;G. Squires
通讯作者:
N. Kaiser;G. Squires