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Photoelectric observations of VW Cephei in R and I |
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| Authors: | K Arai |
| Institution: | (1) Kuki-Hokuyou Senior High School, 346 Kuki, Saitama, Japan |
| Abstract: | Photoelectric observations of VW Cephei in R and I bands were made from 1989 to 1992. 17 primary minima and 11 secondary minima were covered, it is found from the present observations that the period abruptly changed aboutl990 and the maxima I and II exchanged between 1992 and 1993.(Communicated by M. Kitamura) |
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