Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15.1059p&link_type=abstract
Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, Dec. 1989, p. 1059-1065. In Russian. In Russian. In Russian.
Astronomy and Astrophysics
Astronomy
1
Astronomical Photometry, Galactic Nuclei, Markarian Galaxies, Spiral Galaxies, Star Formation, A Stars, B Stars, H Ii Regions, Spectrum Analysis, Velocity Distribution
Scientific paper
Results are presented from a photometric and spectral study of the spiral galaxy Markarian 323. It is shown that the presence of a superassociation in the western spiral arm does not lead to a noticeable distortion of the galaxy's common velocity field. It is found that violent star formation in Markarian 323 began about 10 billion years ago. This explains the increased content of heavy elements and the large number of B, A type stars in the galaxy. Enhanced star formation is currently taking place not only in the nuclear region and the superassociation, but also in a large number of extranuclear H II regions.
Khachikyan É. E.
Petrosyan A. R.
Saakyan K. A.
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