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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520491 |V0491 Lyr  |183959.54 +401953.0 |SRB       |  9.2    |  10.5      |            |B |            |     |                    |     |                 |72075 BD   |           |-0.009 +0.002|2000.0  | |Tyc2     |          |V0491 Lyr |
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_______________Cross-identifications:_______________
V0491 Lyr     = BD   +40 3449                 |     
V0491 Lyr     = CRL  2225                     |     
V0491 Lyr     = GSC  3109.00676               |     
V0491 Lyr     = HD   172740                   |     
V0491 Lyr     = IRAS 18383+4017               |     
V0491 Lyr     = IRC  +40324                   |     
V0491 Lyr     = SAO  047682                   |     
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      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:
72075. D.B.Williams, IBVS N3726, 1992.

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