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Secular Evolution of the Sombrero Galaxy

Published online by Cambridge University Press:  25 May 2016

Eric Emsellem*
Affiliation:
Sterrewacht Leiden, Postbus 9513 2300 Leiden, The Netherlands

Extract

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We present several pieces of evidence that there was an interaction between a bar, which is now dissolved (presumably by a small merger event - Emsellem 1995, A&A in press), and the interstellar medium (gas/dust) in the Sombrero Galaxy (M 104). This study has been achieved by combining new photometric and 2D spectroscopic data (HRCAM, TIGER - Fig. 1) with realistic models (a 3D spatial model of the dust distribution taking into account light scattering, and self consistent two-integral models). Such secular evolution of galaxies driven by bars may be a very common process (Friedli & Benz 1993, A&A 268, 65).

Type
Poster Papers
Copyright
Copyright © Kluwer 1996