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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 721017 |V1017 Sgr *|183204.47 -292312.6 |ZAND: | 6.2 | 14.94 | |B | | | | |G5IIIep |09847 07103| | |1998.489| |2MASS | |V1017 Sgr | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ V1017 Sgr = HV 03519 | ____________________________________________________ Reference to a chart or photograph:07103. N.V. Vidal, A.W.Rodgers, PASP 86, 26, 1974 {1974PASP...86...26V}
Reference to a study of the star:
09847. J.A.Mattei, JRAS Can 68, 221, 1974.__________________________________________________________________
Remark: VB B (A 10.6m V; B 15", 270deg). For a long time the star was considered to be a recurrent nova. Three considerable flares were observed: in 1901 (10.8m), 1919 (6.2m), and 1973 (10.5m). Composite spectrum with a trace of a hot component [03872].
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