Large angular rotation velocity of the central parts of some spiral galaxies

Details Large angular rotation velocity of the central parts of some spiral galaxies Large angular rotation velocity of the central parts of some spiral galaxies

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...213l...9a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 213, no. 1-2, April 1989, p. L9-L11.

Astronomy and Astrophysics

Astrophysics

34

Galactic Nuclei, Galactic Rotation, Spiral Galaxies, Emission Spectra, H Alpha Line, Radial Velocity

Scientific paper

Position-velocity curves obtained for several spiral galaxies show a
very steep velocity gradient in the nuclear parts. It is argued that
this gradient signifies fast rotation of a dynamically distinct nucleus.
The masses of these nuclear condensations are of order 10 to the 9th
solar masses.

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