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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880140 |DR Vul *|201346.85 +264501.6 |EA/DM | 8.65 | 9.27 | 9.19 |V |40300.6680 | | 2.2508645 |15 *|B8 |06242 08953| |-0.002 -0.007|2000.0 | |Tyc2 | |DR Vul |
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_______________Cross-identifications:_______________
DR Vul = AN 1935.0129 |
DR Vul = BD +26 3835 |
DR Vul = GSC 2162.00017 |
DR Vul = HD 339770 |
DR Vul = SAO 088380 |
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Reference to a chart or photograph:
08953. AAVSO Variable Star Atlas, 1980.
Reference to a study of the star:
06242. D.J.K.O'Connell, Ric Astr 8, N14, 319, 1972.
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Remark:
Min II 9.19; DII = 0.132P.
There is apsidal motion with the period 37.8 years.
Elements given in the Table contain supplementary
terms: -0.07165d*sin(0.05863deg*E) - 0.00269d*
*sin(0.11726deg*E).
Min II = 2440301.7934 + 2.2508645d*E + 0.07165d*
*sin(0.05863deg*E) - 0.00269d*sin(0.11726deg*E).
P var? [10185]. The depth of minima varies.
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