Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982iaus...98..235f&link_type=abstract
In: Be stars; Proceedings of the Symposium, Munich, West Germany, April 6-10, 1981. (A83-10301 01-90) Dordrecht, D. Reidel Publi
Astronomy and Astrophysics
Astronomy
11
B Stars, Infrared Astronomy, Infrared Photometry, Stellar Color, Stellar Envelopes, Stellar Spectrophotometry, Balmer Series, Electrophotometers, Main Sequence Stars, Variable Stars
Scientific paper
A photometric study is presented of the Be stars in the JHKL system, which employs two-color diagrams to locate Be stars with respect to the normal B main sequence stars. Evidence that a few of the Be stars may suffer variations in the IR bands is provided by the comparison of measurements obtained at different times and by different observers. Results are presented in tabular form for stars with significant changes. It is concluded that the present results confirm the hypothesis that the same region of the envelope is responsible for the IR excess and the Balmer line emission.
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