Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986iraj...17..288d&link_type=abstract
Irish Astronomical Journal (ISSN 0021-1052), vol. 17, March 1986, p. 288-294.
Astronomy and Astrophysics
Astronomy
Cool Stars, Giant Stars, Microwave Emission, Stellar Mass Ejection, Supergiant Stars, Continuous Radiation, Diameters, Hertzsprung-Russell Diagram, Ionized Gases, Radio Stars
Scientific paper
Attention is given to the results of a sensitive, 6-cm radio continuum survey conducted with the NRAO VLA of 39 of the nearest single cool giants and supergiants of G0-M5 spectral types; the survey was conducted in order to obtain accurate measurements of the mass loss rates of ionized gas for a representative sample of such stars, in order to furnish constraints for, and a better understanding of, the total mass loss rates. The inferred angular diameters for the cool giant sources are noted to be twice as large as photospheric angular diameters, implying that these stars are surrounded by extended chromospheres containing warm partially ionized gas.
Drake Stephen Alan
Linsky Jeffrey L.
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