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Test Particle Simulations of Ringed Barred Galaxies

Published online by Cambridge University Press:  12 April 2016

P. Rautiainen ,
H. Salo ,
G. Byrd ,
R. Buta  and
D. A. Crocker
P. Rautiainen
Affiliation:
Department of Astronomy, University of Oulu, Oulu, Finland
H. Salo
Affiliation:
Department of Astronomy, University of Oulu, Oulu, Finland
G. Byrd
Affiliation:
Department of Physics and Astronomy, Box 870324, University of Alabama, Tuscaloosa, Alabama 35487
R. Buta
Affiliation:
Department of Physics and Astronomy, Box 870324, University of Alabama, Tuscaloosa, Alabama 35487
D. A. Crocker
Affiliation:
Department of Physics and Astronomy, Box 870324, University of Alabama, Tuscaloosa, Alabama 35487

Extract

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We have made test particle simulations of the gas component in barred galaxies. The potential consists of two parts: an axisymmetric isochrone potential

and a bar potential Φ1(r, θ) = Φb(r)cos(2θ), where

The bar strength, q, and scalelength, a, are chosen so that the relative nonaxisymmetric force reaches its maximum, 10%, at the distance which is 83% of the corotation radius. The potential and its scaling are the same as in Schwarz (1981).

Type
Posters of Part VII and Part VIII
Information
International Astronomical Union Colloquium , Volume 157: Barred Galaxies , 1996 , pp. 483 - 485
Copyright
Copyright © Astronomical Society of the Pacific 1996

References

Buta, R. & Crocker, D. 1991, AJ, 102, 1715 Google Scholar
Byrd, G., Rautiainen, P., Salo, H., Buta, R., & Crocker, D.A. 1994, AJ, 108, 476 Google Scholar
Contopoulos, G. & Grosbøl, P. 1989, ARA&A, 1, 261 Google Scholar
Salo, H. 1991, A&A, 243, 118 Google Scholar
Schwarz, M.P. 1981, ApJ, 247, 77 Google Scholar
Schwarz, M.P. 1984, MNRAS, 209, 93 Google Scholar