Gas flow in the barred spiral galaxy NGC 5383

Details Gas flow in the barred spiral galaxy NGC 5383 Gas flow in the barred spiral galaxy NGC 5383

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...225l.101h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 225, Nov. 1, 1978, p. L101-L105.

Astronomy and Astrophysics

Astrophysics

32

Astronomical Models, Galactic Structure, Gas Flow, Spiral Galaxies, Astrodynamics, Astronomical Spectroscopy, Flow Geometry, Flow Velocity, Hydrodynamics, Velocity Measurement

Scientific paper

Line-of-sight gas velocities calculated from a numerical hydrodynamical model of a barred spiral galaxy are compared with the observations and models made by Peterson, Rubin, Ford, and Thonnard of the gas flow in NGC 5383. The hydrodynamical model provides a somewhat better fit to the observations of NGC 5383 than does their symmetric, warped-disk model. It is argued that the basic model appropriate to understanding the gas motions in barred spiral galaxies is not circular rotation but rather a characteristic elliptical pattern of flow.

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