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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 310008 |Y Cyg *|205203.58 +343927.5 |EA/DM | 7.30 | 7.90 | 7.75 |V |09453.4192 | | 2.9963328 |10 *|B0IV+B0IV |08839 06225| |+0.003 -0.017|2000.0 | |Hip | |Y Cyg | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ Y Cyg = BD +34 4184 | Y Cyg = GSC 2696.02300 | Y Cyg = GSC 2696.03486 | Y Cyg = HD 198846 | Y Cyg = Hip 102999 | Y Cyg = SAO 070599 | ____________________________________________________ Reference to a chart or photograph:
06225. V.P.Zessewitsch, Variable Stars and Methods of Their Studies, (in russian) M., 1970.Reference to a study of the star:
08839. D.J.K.O'Connell, Ric Astr 8, N29, 1977.__________________________________________________________________
Remark: Min II 7.75; E = 0.1458. Apsidal motion: P = 47.6 yr. There are sinusoidal terms in the elements: +0.1391d*sin(0.06256deg*E) - 0.0076d*sin(2*(0.06256deg*E)); Min II = 2409454.9174 + 2.9963328d*E - 0.1391d*sin(0.06256deg*E) - 0.0076d*sin(2*(0.06256deg*E)).
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