NNo       GCVS          J2000.0        Type       Max       Min I        Min II      Epoch(JD24..) Year        Period        M-m/D    Spectrum       References  Other design. 
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310087 |BI    Cyg *|202121.9+365556 |LC        |  8.4    |   9.9      |            |V |            |     |                    |     |M4Iab            |00104 00570|
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______________The positional information: ___________________________
  NNo     GCVS            J2000.0         p.m.(as/yr) Epoch     Ident.
----------------------------------------------------------------------
310087 |BI    Cyg |202121.88 +365555.8 |-0.006 -0.006|2000.0  | |Tyc2
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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                   |     
____________________________________________________

      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.

__________________________________________________________________
      Remark:         
    VB A (B 9.4m, 126", 110deg).

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