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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849001 |alf UMi *|023149.07 +891550.8 |DCEPS | 1.86 | 2.13 | |V |31495.813 | | 3.9696 |50 |F7Ib-F8Ib |10096 BD | |+0.044 -0.012|2000.0 | |Hip | |alf UMi |
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_______________Cross-identifications:_______________
alf UMi = ADS 01477 |A
alf UMi = BAY UMi alf |
alf UMi = BD +88 0008 |
alf UMi = BS 00424 |
alf UMi = CRL 0273 |
alf UMi = FLM UMi 001 |
alf UMi = GSC 4628.00237 |
alf UMi = HD 008890 |
alf UMi = Hip 011767 |
alf UMi = IRAS 01490+8901 |
alf UMi = SAO 000308 |
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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:
10096. A. Arellano Ferro, ApJ 274, 755, 1983 {1983ApJ...274..755A}
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Remark:
VB A (B 8.20m, F3V, 18.3", 218deg); SB1 (Porb = 10969d,
E = 0.655 [09904]). P var. There is a non-linear term in
the elements: +1.9877d*10**(-7)*E**2. The amplitude of
light and radial velocity variation decreased in 1982.
A(V) = 0.04m (1984).
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