NNo GCVS J2000.0 Type Max Min I Min II Epoch Year Period M-m/D Spectrum References Other desig. p.m.(as/yr) Epoch Ident. New type GCVS -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 400132 |DI Her *|185326.24 +241640.8 |EA/DM | 8.39 | 9.11 | 8.95 |V |42233.3476 | | 10.5501680 |04 *|B5V+B4V |09272 08953| |-0.001 -0.004|2000.0 | |Hip | |DI Her | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ DI Her = AN 1930.0307 | DI Her = BD +24 3568 | DI Her = GSC 2109.00775 | DI Her = HD 175227 | DI Her = Hip 092708 | DI Her = SAO 086544 | ____________________________________________________ Reference to a chart or photograph:
08953. AAVSO Variable Star Atlas, 1980.Reference to a study of the star:
09272. D.Ya. Martynov, Kh.F.Khaliullin, ApSS 71, 147-170, 1980 {1980ApSS..71..147M}
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Remark: Min II 8.95, DII = 0.03P, Min II - Min I = 0.77P (1966 - 1978). Apsidal motion: P = 29000yr +- 4000yr; Min II = 2442241.4602 + 10.5501751d*E. A considerable discrepancy between the observed and the theoretical rate of apsidal motion.
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