Photometric inference of the corotation radii of ten barred galaxies

Authors
Aguerri, JAL Beckman, JE Prieto, M
Citation
Jal. Aguerri et al., Photometric inference of the corotation radii of ten barred galaxies, ASTRO SP SC, 276(2-4), 2001, pp. 691-698
Citations number
16
Categorie Soggetti
Space Sciences
Journal title
ASTROPHYSICS AND SPACE SCIENCE
ISSN journal
0004640X → ACNP
Volume
276
Issue
2-4
Year of publication
2001
Pages
691 - 698
Database
ISI
SICI code
0004-640X(2001)276:2-4<691:PIOTCR>2.0.ZU;2-Y
Abstract
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 len gth, (R-bar), their strengths, (S-b), and their corotation radii, (R-CR). T hese parameters have been obtained studying azimuthal profiles from the B a nd I band images of the galaxies. We find that R-CR is in all cases slightl y larger than R-bar, with mean values close to 1.2 R-bar. We have also foun d a dependence of the ratio R-CR/R-bar on S-bar.