The Bar Pattern Speed in NGC 7079

Details The Bar Pattern Speed in NGC 7079 The Bar Pattern Speed in NGC 7079

2000-09-19

arxiv.org/abs/astro-ph/0009302v1

Astronomy and Astrophysics

Astrophysics

Contribution to "Galaxy Disks and Disk Galaxies", eds: J.G. Funes S.J. & E.M. Corsini. 2 pages, no figures

Scientific paper

We have used 2D Fabry-Perot absorption-line spectroscopy of the SB0 galaxy NGC 7079 to measure its bar pattern speed, $\om$. As in all previous cases of bar pattern speed measurements, we find a fast bar. We estimate that NGC 7079 has been undisturbed for at least the past Gyr or roughly 8 bar rotations, long enough for the bar to have slowed down significantly through dynamical friction if the disk is sub-maximal.

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