Query= RY Sgr 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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720017 |RY    Sgr *|191632.77 -333120.4 |RCB       |  5.8    |  14.0      |            |V |            |     |                    |     |G0Iaep(C1,0)     |09797 00002|           |+0.010 +0.000|2000.0  | |Hip      |          |RY    Sgr |
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_______________Cross-identifications:_______________
RY    Sgr     = BS   07296                    |     
RY    Sgr     = CPD  -33 05553                |     
RY    Sgr     = CoD  -33 14076                |     
RY    Sgr     = CRL  5559                     |     
RY    Sgr     = GSC  7427.02655               |     
RY    Sgr     = HD   180093                   |     
RY    Sgr     = Hip  094730                   |     
RY    Sgr     = IRAS 19132-3336               |     
RY    Sgr     = SAO  211117                   |     
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      Reference to a chart or photograph:
00002. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts

Reference to a study of the star:
09797. H.G.Marraco, G.E.Milesi, AJ 87, 1775, 1982.

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Remark: VB A (B 15.69m, 12"). There are pulsational light variations (0.1m < A < 1.5m) with the elements: Max = 2433670 + 38.6056d*E - 78d*10**(-5)*E**2. light curve [09798, 09799]; spectrum description [06261].

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