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arxiv: 0802.3886 · v1 · pith:ST6B7HJLnew · submitted 2008-02-26 · 🌌 astro-ph

Galaxy Evolution in Dense Environments: Properties of Interacting Galaxies in the A901/02 Supercluster

A.L. Heiderman (UT Austin) , S. Jogee (UT Austin) , D.J. Bacon (Portsmouth) , M.L. Balogh (Waterloo) , M. Barden (Innsbruck) , F.D. Barazza (EPFL) , E.F. Bell (MPIA) , A. B\"ohm (AIP)
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J.A.R. Caldwell (UT Austin) M.E. Gray (Nottingham) B. H\"au{\ss}ler (Nottingham) C. Heymans (UBC IAP) K. Jahnke (MPIA) E. van Kampen (Innsbruck) S. Koposov (MPIA) K. Lane (Nottingham) D.H. McIntosh (UMass) K. Meisenheimer (MPIA) C. Y. Peng (NRC-HIA) H.-W. Rix (MPIA) S.F. Sanchez (CAHA) R. Somerville (MPIA) A.N. Taylor (SUPA) L. Wisotzki (AIP) C. Wolf (Oxford) X. Zheng (PMO)
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keywords galaxiesdensitynormalpropertiessuperclustera901abellcharacterize
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We present a study of galaxies in the STAGES survey of the Abell 901/902 supercluster at z~0.165, based on HST ACS F606W, COMBO-17, Spitzer 24um, XMM-Newton X-ray, and gravitational lensing maps. We characterize galaxies with strong, externally-triggered morphological distortions and normal, relatively undisturbed galaxies, using visual classification and quantitative CAS parameters. We compare normal and distorted galaxies in terms of their frequency, distribution within the cluster, star formation properties, and relationship to dark matter (DM) or surface mass density, and intra-cluster medium (ICM) density. We report here our preliminary results.

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