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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 279001 |alf CrB *|153441.27 +264252.9 |EA/DM | 2.21 | 2.32 |( 0.25 )|B |23163.770 | | 17.359907 |03 *|A0V+G5V |01106 05056| |+0.120 -0.089|2000.0 | |Hip | |alf CrB | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ alf CrB = BAY CrB alf | alf CrB = BD +27 2512 | alf CrB = BS 05793 | alf CrB = FLM CrB 005 | alf CrB = GSC 2029.01690 | alf CrB = HD 139006 | alf CrB = Hip 076267 | alf CrB = IRAS 15325+2652 | alf CrB = IRC +30275 | alf CrB = SAO 083893 | ____________________________________________________ Reference to a chart or photograph:
05056. J.Mattei, E.Mayer, M.Baldwin, Sky and Tel 60, N4, 285, 1980.Reference to a study of the star:
01106. G.E. Kron, K.C.Gordon, ApJ 118, N1, 55-76, 1953 {1953ApJ...118...55K}
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Remark: lambda eff = 7230 A: DI = 0.034P, DII = 0.018P, Min II - Min I = 0.66P, depth of Min I 0.10m, Min II 0.025m.
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