Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...196..769a&link_type=abstract
Astrophysical Journal, vol. 196, Mar. 15, 1975, pt. 1, p. 769-771.
Astronomy and Astrophysics
Astronomy
4
Cosmic Dust, Emission Spectra, Infrared Stars, Stellar Envelopes, Supergiant Stars, Astronomical Models, Infrared Astronomy, Stellar Radiation
Scientific paper
Two dust-envelope models of the M supergiant VX Sgr, which exhibits a prominent emission feature at 10 microns, are presented. The models indicate that, for certain envelope sizes, the presence of the observed emission feature does not necessarily indicate that the emitting grains possess a similar feature in their emissivity profile. The mechanism which may in some cases be producing the observed emission feature is discussed.
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