Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.209..759g&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 209, Aug. 15, 1984, p. 759-763.
Astronomy and Astrophysics
Astronomy
20
Infrared Stars, Magellanic Clouds, Stellar Envelopes, Stellar Spectra, Supergiant Stars, B Stars, Red Giant Stars, Stellar Mass Ejection, Wolf-Rayet Stars
Scientific paper
10 μm broad-band (N) observations have been made of several Magellanic Cloud supergiants. The brightest F/G types show strong excesses in 2 out of 5 cases. The S Dor type variable R 71, previously interpreted in the infrared as a free-free emitter, has strong 10 μm radiation probably from a cool dust shell. S Dor itself does not have such an excess. Those B supergiants known already to have dust shells are easily detected. The most luminous cloud member at B and V, R76, was not detected, nor was R81, a Be star with a high mass-loss rate. R84 (Wolf-Rayet with late-type companion) has a strong excess. R94, the brightest LMC star at K, was also not detected.
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