Central Rotation Curves of Galaxies

Details Central Rotation Curves of Galaxies Central Rotation Curves of Galaxies

2000-10-30

arxiv.org/abs/astro-ph/0010595v1

Astronomy and Astrophysics

Astrophysics

4 pages, 4 figures, in "Galaxy Disks and Disk Galaxies", ASP Conf. Series, Vatical Conf. Rome 2000, eds. J. Funes, and E.M. Co

Scientific paper

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.

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