Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63.1098p&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 63, Nov.-Dec. 1986, p. 1098-1110. In Russian.
Astronomy and Astrophysics
Astronomy
3
Brightness Distribution, Ionized Gases, Nebulae, Space Density, Star Clusters, Astronomical Maps, Centimeter Waves, Hydrogen Clouds, Stellar Winds
Scientific paper
The northern sector of the RATAN-600 radio telescope was used to observe the northern part of the Canis Major OB1 association at wavelengths of 7.6, 13, and 31 cm. At a wavelength of 7.6 cm, a radio luminosity distribution map was constructed. A comparison of data at different wavelengths reveals that the emission from this association is thermal. It is also found that the known stars in the association do not suffice to explain the ionization of all of the radiating gas. In the region of the NGC 2343 cluster, an increase in the gas abundance was found which can be explained by an influx of cold gas into a 'gravitational pit' formed by an old massive cluster and by its subsequent ionization due to external sources (young stars of the Canis Major OB1 association).
Pyatunina T. B.
Taraskin Yu. M.
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