Query= B PER 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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639102 |b     Per *|041814.62 +501743.8 |ELL       |  4.52   |   4.68     |            |V |43141.728   |     |     1.5273643      |     |A2V              |09809 BD   |           |+0.047 -0.056|2000.0  | |Hip      |          |b     Per |
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_______________Cross-identifications:_______________
b     Per     = BD   +49 1150                 |     
b     Per     = BS   01324                    |     
b     Per     = GSC  03336.02435              |     
b     Per     = HD   026961                   |     
b     Per     = Hip  020070                   |     
b     Per     = SAO  024531                   |     
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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:

09809. G. Hill, G.C.L.Aikman, A.P.Cowley, C.T.Bolton, J.C.Thomas, ApJ 208, 152, 1976 {1976ApJ...208..152H}

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Remark: SB2. Depths of minima differ by 0.03m. Third body? , P = 701d. Radio source. In the region of the open cluster NGC 1545.

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