SIMBAD references

1999A&A...349..812A - Astronomy and Astrophysics, volume 349, 812-818 (1999/9-3)

The intra-cluster medium influence on spiral galaxies.

ADAMI C., MARCELIN M., AMRAM P. and RUSSEIL D.

Abstract (from CDS):

We made a detailed analysis of the sample of 39 cluster spiral galaxies of various types observed at Hα wavelength by Amram et al. (1992A&AS...94..175A, 1993ApJ...403L..59A, 1994A&AS..103....5A, 1995A&AS..113...35A, 1996A&A...310..737A), with a scanning Fabry-Perot. We plotted the outer gradient of their rotation curves as a function of the deprojected cluster-centric distance. The rotation curves of late type galaxies markedly rise far from the cluster center. This suggests evolutionary effects, since early types show no special trend. We suggest that the evolution process within a cluster leads late type galaxies to exhibit flatter curves when they get closer to the center, on their way to evolving into early type galaxies.

Abstract Copyright:

Journal keyword(s): galaxies: fundamental parameters - galaxies: general - galaxies: interactions - galaxies: kinematics and dynamics - galaxies: spiral

Simbad objects: 56

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