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Environmental effects in the structural parameters of Coma galaxies

Published online by Cambridge University Press:  06 October 2004

J. A. L. Aguerri ,
J. Iglesias-Píaramo ,
J. M. Vílchez  and
C. Muñoz-Tuñón
J. A. L. Aguerri
Affiliation:
Instituto de Astrofísica de Canarias
J. Iglesias-Píaramo
Affiliation:
Laboratoire d'Astrophysique de Marselle
J. M. Vílchez
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC
C. Muñoz-Tuñón
Affiliation:
Instituto de Astrofísica de Canarias
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Abstract

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We have studied the quantitative morphology of the galaxies of the Coma cluster brighter than $m_{r}=17$. The surface brightness profiles of all galaxies were decomposed into the structural components: bulge and disc. We found a correlation between the scale length of the discs and the location in the cluster. Galaxies located at small projected distances show smaller discs than those located in the outermost regions of the cluster. We have also investigated the correlation betwenn the B$-$r color of the galaxies and their environment. For late-type galaxies there is a correlation between the color and the position in the cluster. The bluest galaxies are located in the outermost regions of the cluster and show the largest discs. These results can be explained in terms of galaxy harassment.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC195 , March 2004 , pp. 432 - 434
Copyright
© 2004 International Astronomical Union