Abell 370: A Cluster with a Pronounced Triaxial Morphology

Details Abell 370: A Cluster with a Pronounced Triaxial Morphology Abell 370: A Cluster with a Pronounced Triaxial Morphology

2005-02-14

arxiv.org/abs/astro-ph/0502259v1

Astronomy and Astrophysics

Astrophysics

7 pages, 2 figures. Contribution to the Proceedings of the COSPAR Scientific Assembly, E1.2 "Clusters of Galaxies: New Insight

Scientific paper

10.1016/j.asr.2004.12.078

We here combine Sunyaev-Zel'dovich effect, X-ray observations and spectroscopic redshifts of member galaxies, to constrain the intrinsic three-dimensional shape of the galaxy cluster: Abell 370. The cluster turns out to be strongly elongated along the l.o.s., with two (or more) substructures in the process of merging. Spectroscopy further suggests that the process must be taking place at a small angle respect to the l.o.s.

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