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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090054 |ZZ    Boo  |135609.52 +255507.4 |EA        |  6.79   |   7.44     |   7.44     |V |52502.9212  |     |     4.9917633      |06   |F2V              |N0041 HIP  |           |-0.097 -0.005|2000.0  | |Hip      |EA        |ZZ    Boo |
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_______________Cross-identifications:_______________
ZZ    Boo     = BD   +26 2508                 |     
ZZ    Boo     = GSC  2002.00624               |     
ZZ    Boo     = HD   121648                   |     
ZZ    Boo     = Hip  068064                   |     
ZZ    Boo     = SAO  083080                   |     
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      Reference to a chart or photograph:
HIP    The Hipparcos and Tycho Catalogues (European Space Agency, 1997), ESA SP-1200 (CDS Cat. I/239) {1997ESASP1200.....E}

      Reference to a study of the star:
N0041. J.M. Kreiner, AA 54, No. 2, 207, 2004 {2004AcA....54..207K}

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