Rotation of internal regions of spiral galaxies - NGC 4100, 4536, 5351, 6181, 7171, and 7721

Details Rotation of internal regions of spiral galaxies - NGC 4100, 4536, 5351, 6181, 7171, and 7721 Rotation of internal regions of spiral galaxies - NGC 4100, 4536, 5351, 6181, 7171, and 7721

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992azh....69...19a&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 69, no. 1, Jan.-Feb. 1992, p. 19-37. In Russian.

Astronomy and Astrophysics

Astronomy

14

Galactic Rotation, Ionized Gases, Radial Velocity, Spiral Galaxies, Astronomical Photometry, Line Of Sight, Velocity Distribution

Scientific paper

The radial distribution of the line-of-sight velocities of ionized gas at different position angles and rotation curves are presented for several normal spiral galaxies. It is shown that the nuclear regions (within a radius of several hundred pc) of most of the galaxies under consideration are distinguished by high or low velocity gradients, which is accounted for by a central mass concentration and/or the presence of an inner bar.

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