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
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310087 |BI Cyg *|202121.88 +365555.8 |LC | 8.4 | 9.9 | |V | | | | |M4Iab |00104 00570| |-0.006 -0.006|2000.0 | |Tyc2 | |BI Cyg |
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_______________Cross-identifications:_______________
BI Cyg = AN 1919.0023 |
BI Cyg = BD +36 4025 |
BI Cyg = CRL 2559 |
BI Cyg = GSC 2684.00522 |
BI Cyg = IRAS 20194+3646 |
BI Cyg = IRC +40408 |
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Reference to a chart or photograph:
00570. J.G.Hagen, J.Stein, ASV VIII.
Reference to a study of the star:
00104. M.Beyer, Erg AN 12, N2, 1950.
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Remark:
VB A (B 9.4m, 126", 110deg).
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