Query= SS Cyg 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
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
310019 |SS    Cyg *|214242.79 +433509.9 |UGSS      |  7.7    |  12.4      |            |V |            |     |(   49.5          ) |     |K5V+pec(UG)      |09030 01129|           |+0.107 +0.030|2000.0  | |Tyc2     |          |SS    Cyg |
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

_______________Cross-identifications:_______________
SS    Cyg     = BD   +42 4189                 |a    
SS    Cyg     = GSC  3196.00723               |     
SS    Cyg     = HD   206697                   |     
SS    Cyg     = HV   00084                    |     
SS    Cyg     = X    21407+433                |     
____________________________________________________

      Reference to a chart or photograph:
01129. F.Lenouvel, J.Daguillon, JO 39, N1, 9, 1956.

Reference to a study of the star:
09030. J.A.Mattei, JRAS Can 74, N5, 317- 320, 1980.

__________________________________________________________________

Remark: SB2 (P = 0.27512995d [08285]). During maxima of brightness there are oscillations of light and X-ray flux with amplitudes about 0.002m V and periods changing between 7.29s and 10.90s [06102, 09032].

----The End----