Hydrodynamic simulations of the barred inner disk of M31

Details Hydrodynamic simulations of the barred inner disk of M31 Hydrodynamic simulations of the barred inner disk of M31

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000immm.proc...53b&link_type=abstract

The interstellar medium in M31 and M33. Proceedings 232. WE-Heraeus Seminar, 22-25 May 2000, Bad Honnef, Germany. Edited by El

Computer Science

Scientific paper

The interstellar gas flow in the inner disk of M31 is modelled using a two dimensional, grid based, hydrodynamics code. The underlying stellar potential is assumed to be triaxial and rotating in the same plane as the disk in order to explain the twisted nature of the central isophotes in the galaxy and the non circular velocities of gas in the inner disk. Results are compared with HI and CO observations in order to constrain the parameters of the model and determine the nature of M31's bar-like bulge.

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