Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...233..333k&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 233, no. 2, July 1990, p. 333-340.
Astronomy and Astrophysics
Astrophysics
6
Galactic Structure, H I Regions, Markarian Galaxies, Stellar Spectra, Disk Galaxies, Emission Spectra, Line Spectra
Scientific paper
Optical images and spectra of the interacting galaxy system Mkn 305/306 are presented. Both galaxies have a disturbed morphology, and they show spectra with starburst or poststarburst characteristics as a result of mutual tidal interaction. Mkn 306 is shaped like an integral sign with two strong symmetrical central emission regions. The morphology, the velocity structure, and the optical spectra demonstrate that the galaxy Mkn 306 is seen nearly edge-on with a very strong warp of the stellar disk. The extreme degree of this optical distortion is comparable only with the strongest radio warps so far known; but these radio warps show only the H I gas distribution in the outer galactic regions and not the stellar distribution.
Dietrich Matthew
Kollatschny Wolfram
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