Properties of star formation in the spiral arms of barred galaxies

Details Properties of star formation in the spiral arms of barred galaxies Properties of star formation in the spiral arms of barred galaxies

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ap%26ss.284..735b&link_type=abstract

Astrophysics and Space Science, v. 284, Issue 2, p. 735-738 (2003).

Astronomy and Astrophysics

Astrophysics

Galaxies: Barred, Stars: Formation, Galaxies: Spiral, Galaxies: Structure

Scientific paper

It is assumed that the two-fold disc-wide symmetry of spirals is caused by density waves, but also the potential of a bar component may have a significant influence on structural properties. The strength of the bar component appears to be anti-correlated with the degree of symmetry of star-forming regions in the spiral arms (Rozas et al., 1998). We present new results of R and Hα surface photometry of a sample of bright barred spirals. A photometric decompositon of the galaxy components is carried out in order to make a more accurate measurement of the strength of the bar and its interrelation to gas and stars in the disc.

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