Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81..235b&link_type=abstract
Astronomy and Astrophysics, vol. 81, no. 1-2, Jan. 1980, p. 235-239. Research supported by the National Research Council of Can
Astronomy and Astrophysics
Astronomy
44
Bl Lacertae Objects, Galaxies, Markarian Galaxies, Radio Astronomy, Seyfert Galaxies, Astronomical Catalogs, Spectrum Analysis, Telescopes, Ultraviolet Spectra
Scientific paper
Markarian Galaxies were observed with the 100 m Effelsberg and the 305 m Arecibo telescopes. The ratio of radio power and blue light plotted against B-V shows that all galaxies which are neither variable nor BL Lac objects, lie close to or below the limiting reddening line for bursts of star formation with the exception of MRK011 which has a flat spectrum and is suspected to be a BL Lac object. The earlier conclusion (Biermann and Fricke, 1977; Bieging et al., 1977) that bursts of star formation can explain the radio radiation and the colors of many Markarian galaxies is confirmed.
Biermann Peter
Clarke J. N.
Fricke Klaus J.
Pauliny-Toth I. I. K.
Schmidt Jonas
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