Does the dark component influence the shape of the inner rotation curves of spiral galaxies?

Details Does the dark component influence the shape of the inner rotation curves of spiral galaxies? Does the dark component influence the shape of the inner rotation curves of spiral galaxies?

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...237...36c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 237, no. 1, Oct. 1990, p. 36-41.

Astronomy and Astrophysics

Astrophysics

14

Dark Matter, Galactic Rotation, Galactic Structure, Spiral Galaxies, Astrodynamics, Rotating Bodies, Statistical Analysis

Scientific paper

A statistical analysis of the relation between the essential shape of the rotation curve, the morphology, and the absolute luminosity of spiral galaxies is presented for a sample of 167 objects. At variance with Burstein and Rubin's (1985) results, it is found that the shape of rotation curves of spirals inside the 'optical' region correlates with the Hubble type. This fact reflects a correlation between light and mass distributions in the inner galaxian regions, showing that the linear dynamics is not usually controlled by the dark component.

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