The bar in NGC 936

Details The bar in NGC 936 The bar in NGC 936

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98.1588k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Nov. 1989, p. 1588-1597. Research supported by the Digital Equipment Corp.

Astronomy and Astrophysics

Astronomy

35

Barred Galaxies, Galactic Bulge, Galactic Rotation, Luminosity, Angular Velocity, Astronomical Models, Galactic Evolution

Scientific paper

Detailed photometry of NGC 936, is used to extract the bulge, bar, and disk components of the SB0 galaxy. Analytic approximations to the luminosity profiles of each component are given to provide a reference for constructing bar models. The galaxy dynamics are examined, assuming a constant mass/light ratio. The major families of periodic orbits are identified, and constraints are placed on the allowable pattern speed. Predictions are made for the bar streaming velocities that would be observed at various position angles. These predictions are compared with existing kinematic data for the galaxy.

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