Central Rotation Curves of Galaxies
Astrophysics
2007-05-23 v1
Abstract
We emphasize the use of high-resolution CO line observations to derive central rotation curves of galaxies. We present an example for high-resolution interferometer observations of NGC 3079, and discuss the PV diagram and derived rotation curve. The CO central rotation curves are combined with the outer curves from \ha and HI-line observations to obtain total RC. We show that well resolved RCs for massive galaxies generally start from non-zero velocities at the nucleus.
Cite
@article{arxiv.astro-ph/0010595,
title = {Central Rotation Curves of Galaxies},
author = {Yoshiaki SOFUE},
journal= {arXiv preprint arXiv:astro-ph/0010595},
year = {2007}
}
Comments
4 pages, 4 figures, in "Galaxy Disks and Disk Galaxies", ASP Conf. Series, Vatical Conf. Rome 2000, eds. J. Funes, and E.M. Corsini