Central-region motions in 21 nearby galaxies

Details Central-region motions in 21 nearby galaxies Central-region motions in 21 nearby galaxies

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..333w&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, April 1989, p. 333-350.

Astronomy and Astrophysics

Astronomy

12

Andromeda Galaxy, Galactic Nuclei, Interstellar Gas, Schmidt Cameras, Seyfert Galaxies, Angular Velocity, Emission Spectra, Line Spectra

Scientific paper

Spectroscopic observations of the motions in the nuclear and/or central regions of 21 relatively nearby galaxies were obtained using a 3-m reflector. It is found that rapid nuclear rotation on a scale of 7-8 pc does not occur in all the galaxies, and that rapid central-region rotation occurs in six out of 14 of the non-Seyfert galaxies in the 2.5-46-kpc distance range. The near-nuclear velocity slopes of four of the galaxies are shown to be significantly larger than reported previously.

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