Photoelectric observations of the flare star BD + 55° 1823 |
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| Authors: | Farouk M Mahmoud |
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| Institution: | (1) National Research Institute of Astronomy and Geophysics, Helwan, Cairo, Egypt |
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| Abstract: | A light variation in Johnson'sV-band of flare star EV Lac has been registered by Pettersen (1980). The cycle length was 4
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d
378 with amplitude about 0
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m
07. A Fourier analysis programme has been applied on our measured data of the flare star BD+55°1823 in Johnson'sV andB bands. A period of 16d and amplitude of 0
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m
14 have been detected in theV-band. |
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