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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311981 |V1981 Cyg |210224.2+444728 |SRB | 7.5 | 8.1 | |B | | | | | |71209 BD |
------------------------------------------------------------------------------------------------------------------------------------------------------------------ ______________The positional information: ___________________________
NNo GCVS J2000.0 p.m.(as/yr) Epoch Ident.
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311981 |V1981 Cyg |210224.20 +444727.5 |-0.006 -0.004|2000.0 | |Hip
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_______________Cross-identifications:_______________
V1981 Cyg = BD +44 3679 |
V1981 Cyg = BS 08062 |
V1981 Cyg = CRL 2689 |
V1981 Cyg = GSC 3180.00020 |
V1981 Cyg = HD 200527 |
V1981 Cyg = Hip 103828 |
V1981 Cyg = IRC +40464 |
V1981 Cyg = SAO 050381 |
____________________________________________________ Reference to a chart or photograph:
BD Bonner Durchmusterung, F.W.A. Argelander, Bonner Sternverzeichniss, 1 bis 4 sektion, Astronomische Beobachtungen auf der Sternwarte de Kgl. Rhein/ Friedrich-Wilhelms-Unviersiaet zu Bonn (CDS Cat. I/122).
Reference to a study of the star:
71209. J.D.Fernie, PASP 103, No.664, 559, 1991.
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