New insights on merging clusters of galaxies from XMM-Newton observations

被引：0

作者：

Belsole, E ^{[1
]}

Arnaud, M ^{[1
]}

Chièze, JP ^{[1
]}

Pratt, GW ^{[1
]}

Sauvageot, JL ^{[1
]}

Ferrari, C ^{[1
]}

Benoist, C ^{[1
]}

Bourdin, H ^{[1
]}

Maurogordato, S ^{[1
]}

机构：

[1] CEA Saclay, DAPNIA, Serv Astrophys, F-91191 Gif Sur Yvette, France

来源：

MATTER AND ENERGY IN CLUSTERS OF GALAXIES, PROCEEDINGS | 2003年 / 301卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present two targets from our XMM-Newton GT programme on merging clusters. A1750 is a bimodal cluster which displays a hot region between the two components but no significant morphological signs of interaction, suggesting an early phase of merger. A3921 is a 3:1 mass ratio merger, which shows a distorted gas distribution in the center of the main cluster and a temperature which reaches 5.8 keV in the region between the components. This hot region is parallel to the line joining the two centres. A phenomenological comparison with numerical simulations suggests that A3921 is an off-axis merger observed just after the first close core passage.

引用

页码：443 / 449

页数：7

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