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Ground-Based and On-Satellite Observations of BE and B Stars

Jeong, Jang-Hae

Gamma Cassiopeae has been observed at Yonsei University Observatory(YUO) for 31 nights in the period 1983-1987 and a total of 312 UBV observations(104 in each colour) was secured. Light curves of ¥ã Cas in V, B-V, and U-B have been constructed with YUO data; among them we present selected light curves of 5 different long nights. Discussed are the …