Circular motions in the barred galaxy NGC 3504

Details Circular motions in the barred galaxy NGC 3504 Circular motions in the barred galaxy NGC 3504

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..409p&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, June-July 1982, p. 409-414. Research supported by the Research Corp

Astronomy and Astrophysics

Astronomy

8

Barred Galaxies, Galactic Rotation, Rotating Matter, Velocity Distribution, Astronomical Models, Astronomical Spectroscopy, Kinematics

Scientific paper

A kinematical study of the galaxy NGC 3504 (Hubble type SABab) finds that the velocity field is dominated by circular motions, with no evidence (within the observational error) of noncircular gas streaming motions of the type suggested by barred galaxy models. The rotation curve shows the characteristic spiral galaxy pattern of a rapid central rise to a radius of 6 arc seconds beyond which point the velocity continues to rise but at a smaller rate; these new data do not confirm the form of the rotation curve found in the prior study by Burbidge, Burbidge, and Prendergast (1961).

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