Publication Date:
2019-06-27
Description:
The circumstellar envelopes surrounding 13 late-type giants and supergiants have been studied using a homogeneous collection of high-resolution, photoelectric scans of strong optical resonance lines. Various properties of the envelopes, including the mass loss rate, dilution factor, hydrogen density, and degree of ionization, have been determined quantitatively.
Keywords:
ASTROPHYSICS
Type:
Astrophysical Journal; 204; Feb. 15
Format:
text
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