NNo GCVS J2000.0 Type Max Min I Min II Epoch(JD24..) Year Period M-m/D Spectrum References Other design.
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880161 |ER Vul *|210225.9+274827 |EW/DW/RS | 7.27 | 7.49 |< 7.44 |V |40182.2621 | | 0.69809409 | |G0V+G5V |10188 BD |
------------------------------------------------------------------------------------------------------------------------------------------------------------------ ______________The positional information: ___________________________
NNo GCVS J2000.0 p.m.(as/yr) Epoch Ident.
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880161 |ER Vul |210225.91 +274826.5 |+0.088 +0.006|2000.0 | |Hip
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_______________Cross-identifications:_______________
ER Vul = BD +27 3952 |
ER Vul = GSC 2180.00611 |
ER Vul = HD 200391 |
ER Vul = Hip 103833 |
ER Vul = SAO 089396 |
____________________________________________________ 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:
10188. C.Ibanoglu, M.C.Akan, S.Evren, Z.Tunca, IBVS N2782, 1985.
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Remark:
P var. Min I = 2440182.2593 + 0.69809510d*E(JD2433100 - 40200) [08592]; since JD2440100 - see Table.7.35m <= Min II <= 7.44m. The shape of the lightcurve and depths of minima vary.
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