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Properties of star formation in the spiral arms of barred galaxies

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Abstract

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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References

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Authors and Affiliations

  1. Institut für Astronomie der Universität Wien, Austria; E-mail

    S. Baes-Fischlmair

  2. Institut für Astronomie der Universität Wien, Austria

    W.W. Zeilinger, J.-C. Vega-Beltran & J.E. Beckman

Authors
  1. S. Baes-Fischlmair
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  2. W.W. Zeilinger
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  3. J.-C. Vega-Beltran
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  4. J.E. Beckman
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Baes-Fischlmair, S., Zeilinger, W., Vega-Beltran, JC. et al. Properties of star formation in the spiral arms of barred galaxies. Astrophysics and Space Science 284, 735–738 (2003). https://doi.org/10.1023/A:1024088214799

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  • DOI: https://doi.org/10.1023/A:1024088214799

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