Scalable N-body code for the modelling of early-type galaxies

Details Scalable N-body code for the modelling of early-type galaxies Scalable N-body code for the modelling of early-type galaxies

2007-09-25

arxiv.org/abs/0709.3961v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures. Original version printed in the Proceedings of "Science perspective for 3D spectroscopy", 2005, Eds Kissle

Scientific paper

Early-type galaxies exhibit a wealth of photometric and dynamical structures. These signatures are fossil records of their formation and evolution processes. In order to examine these structures in detail, we build models aimed at reproducing the observed photometry and kinematics. The developed method is a generalization of the one introduced by Syer and Tremaine (1996), consisting in an N-body representation, in which the weights of the particles are changing with time. Our code is adapted for integral-field spectroscopic data, and is able to reproduce the photometric as well as stellar kinematic data of observed galaxies. We apply this technique on SAURON data of early-type galaxies, and present preliminary results on NGC 3377.

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