The radio source associated with the G-type supergiant HR 8752

Details The radio source associated with the G-type supergiant HR 8752 The radio source associated with the G-type supergiant HR 8752

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...220l.109h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 220, Mar. 15, 1978, p. L109-L112.

Astronomy and Astrophysics

Astronomy

14

G Stars, Radio Astronomy, Radio Stars, Stellar Envelopes, Supergiant Stars, Continuous Spectra, Radiant Flux Density, Stellar Magnitude, Stellar Mass Ejection, Stellar Spectra, Thermal Emission

Scientific paper

Thermal emission from an interstellar envelope is proposed as the mechanism for radio emission from the G-type supergiant HR 8752 (GOIa). A table of flux densities derived from NRAO (Green Bank) is presented and fit to thermal emission models. If outflow velocity is assumed, mass-loss rates and shell density could be calculated from the data at hand. Temperatures in the 4000 K range are deduced, and deviations from this value may be explained by a time-variable phenomenon.

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