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Co in NGC4438 and Tidal Stripping in the Virgo Cluster

Published online by Cambridge University Press:  14 August 2015

F. Combes ,
C. Dupraz ,
F. Casoli  and
L. Pagani
F. Combes
Affiliation:
Observatoire de Paris, Section de Meudon, F-92 195MEUDON Ecole Normale Supérieure, 24 Rue Lhomond, F-75 231PARIS
C. Dupraz
Affiliation:
Observatoire de Paris, Section de Meudon, F-92 195MEUDON Ecole Normale Supérieure, 24 Rue Lhomond, F-75 231PARIS
F. Casoli
Affiliation:
Observatoire de Paris, Section de Meudon, F-92 195MEUDON Ecole Normale Supérieure, 24 Rue Lhomond, F-75 231PARIS
L. Pagani
Affiliation:
Observatoire de Paris, Section de Meudon, F-92 195MEUDON

Extract

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It is now well established that the environment plays an essential role in the morphology and evolution of galaxies: in particular, the HI gaseous content is often deficient for galaxies in clusters, and the deficiency increases towards the cluster center (cf for the Virgo cluster: Chamaraux et al 1980, Cayatte et al 1988, in prep). The gas is mostly deficient in the outer parts of galaxies, which considerably reduces the size of HI disks (van Gorkom & Kotanyi 1985). However the central gaseous content, usually under the form of molecular hydrogen traced by CO emission, seems normal, at least in the Virgo cluster, the only one surveyed at millimetric wavelengths (Kenney & Young 1986).

Type
Joint Commission Meeting
Information
Highlights of Astronomy , Volume 8: Highlights of Astronomy. As presented at the XXth General Assembly of the IAU, 1988 , 1989 , pp. 581 - 582
Copyright
Copyright © Kluwer 1989

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