Query= AD Boo GCVS Query forms
  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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090058 |AD    Boo  |143512.80 +243821.9 |EA        |  9.45   |  10.09     |   9.85     |V |52501.5314  |     |     2.0688069      |08   |G0               |N0041 GSC  |           |-0.020 +0.007|2000.0  | |PPM      |EA        |AD    Boo |
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_______________Cross-identifications:_______________
AD    Boo     = BD   +25 2800                 |     
AD    Boo     = GSC  2015.00216               |     
AD    Boo     = SAO  083421                   |     
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      Reference to a chart or photograph:
GSC B. M. Lasker, C. R. Sturch, B. J. McLean, et al., Astron. J. 99, 2019 (1990) (CDS Cat. I/254).

Reference to a study of the star:

N0041 Kreiner, J.M., 2004, AA, 54, No. 2, 207 {2004AcA....54..207K}

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