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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719004 |del Sge *|194723.26 +183203.4 |LB: | 3.75 | 3.83 | |V | | | | |M2.5II-III+B9V |07315 BD | |-0.005 +0.011|2000.0 | |Hip | |del Sge |
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_______________Cross-identifications:_______________
del Sge = BAY Sge del |
del Sge = BD +18 4240 |
del Sge = BS 07536 |
del Sge = CRL 2456 |
del Sge = FLM Sge 007 |
del Sge = GSC 01619.03542 |
del Sge = HD 187076 |
del Sge = HD 187077 |
del Sge = Hip 097365 |
del Sge = IRAS 19451+1824 |
del Sge = IRC +20433 |
del Sge = SAO 105259 |
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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:
07315. H. Neckel, AsAp Suppl 18, 169, 1974 {1974AAS...18..169N}
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Remark:
VB A (B, A = 0.04", P = 7 yr); SB2 (Porb = 3725d [09789]).
The last superior conjunction of the B-star and its
atmospheric eclipse was in March - April 1980 [09726].
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