Photometric Inference of the Corotation Radii of Ten Barred Galaxies

Details Photometric Inference of the Corotation Radii of Ten Barred Galaxies Photometric Inference of the Corotation Radii of Ten Barred Galaxies

Mar 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ap%26ss.276..691a&link_type=abstract

Astrophysics and Space Science, v. 276, Issue 2/4, p. 691-698 (2001).

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We have used photometric images of ten barred galaxies in the B and I bands to infer the geometrical and dynamical parameters of their bars: Their length, (R_bar), their strengths, (S_b), and their corotation radii, (R_CR). These parameters have been obtained studying azimuthal profiles from the B and I band images of the galaxies. We find that R_CR is in all cases slightly larger than R_bar, with mean values close to 1.2 R_bar. We have also found a dependence of the ratio R_CR/R_bar on S_bar.

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