Early-type Galaxies in Isolation: an HI Perspective with ATLAS 3D

Bibcode
2010ASPC..421...49S
Serra, P.; Morganti, R.; Oosterloo, T. A.; Alatalo, K.; Blitz, L.; Bois, M.; van den Bosch, R. C. E.; Bournaud, F.; Bureau, M.; Cappellari, M.; Davies, R. L.; Davis, T. A.; Duc, P.; Emsellem, E.; Falcón-Barroso, J.; Khochfar, S.; Krajnovic, D.; Kuntschner, H.; Lablanche, P. Y.; McDermid, R. M.; Naab, T.; Sarzi, M.; Scott, N.; de Ven, G.; Weijmans, A.; Young, L. M.; de Zeeuw, P. T.
Bibliographical reference

Galaxies in Isolation: Exploring Nature Versus Nurture, proceedings of a conference held 12 to 15 May 2009 in Granada, Spain. Edited by Lourdes Verdes-Montenegro, Ascencíon del Olmo, and Jack Sulentic. San Francisco: Astronomical Society of the Pacific, 2010., p.49

Advertised on:
10
2010
Number of authors
27
IAC number of authors
0
Citations
2
Refereed citations
2
Description
We present preliminary results of our HI WSRT observations of early-type galaxies in the ATLAS3D sample. We discuss the dependence of HI properties on environment. We detect HI in about half of the galaxies outside the Virgo cluster. The HI morphology/kinematics changes as a function of environment, going from regular, rotating systems around “isolated” galaxies to progressively more disturbed structures for galaxies with neighbours or in groups. In denser environment, inside Virgo, nearly none of the galaxies contains HI.
Type
Non-refereed

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