Astronomy and Astrophysics – Astronomy
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...178..317k&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 178, no. 1-2, May 1987, p. 317, 318. SERC-supported research.
Astronomy and Astrophysics
Astronomy
5
Early Stars, Emission Spectra, Far Infrared Radiation, Milky Way Galaxy, Spaceborne Astronomy, Stellar Spectra, Infrared Astronomy Satellite, Stellar Spectrophotometry
Scientific paper
Recently Lamers et al. (1986) have found that HR 4049 (B supergiant at z = 1300 pc) is surrounded by a dust cloud which produces a large IR excess, from which it is inferred that the star may be a much less luminous low mass object close to the Galactic plane. Here, the results of a search for strong FIR (IRAS) emission from a sample of early-type high-Galactic-latitude stars, estimated to be at z-distances of up to 9000 pc from optical spectral analyses, are reported. No IR emission was detected for any of the stars investigated, which would not be expected if they were nearby objects with dust clouds. It is therefore concluded that they are normal stars at the large distances previously estimated.
Brown Paul J. F.
Conlon E. S.
Keenan Francis P.
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