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Paper: Near-Infrared Excess of Classical Be Stars
Volume: 404, The Eighth Pacific Rim Conference on Stellar Astrophysics: A Tribute to Kam Ching Leung
Page: 302
Authors: Lee, C.D.; Chen, W.P.
Abstract: Classical Be stars can attribute their IR excess to free-free emission from ionized gas. Those with exceptionally large IR excess (J-H, and H-K both greater than 0.6 mag), however, must be accounted for by thermal emission from circumstellar dust which is condensed out in the flattened, expanding envelope as these fast-rotating stars evolve to the giant phase.
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