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[vsnet-obs 11691] V1147 Cyg



Dear Colleagues,

Recent observations of V1147 Cyg by M. Sato, Albert Dill and others have 
finally eliminated the alias period of this eclipsing binary. The 
ephemeris for the remainder of this year is given below.

Regards Chris Lloyd

Ephemeris for V1147 Cyg using To=2450636.7118 and P=15.251334 phi(II)=0.6114
          JD       Year  Mo   Date     UT
     2450935.8121  1998   5   2.3121   7:29 II
     2450941.7385  1998   5   8.2385   5:43 I
     2450951.0634  1998   5  17.5634  13:31 II
     2450956.9898  1998   5  23.4898  11:45 I
     2450966.3147  1998   6   1.8147  19:33 II
     2450972.2411  1998   6   7.7411  17:47 I
     2450981.5661  1998   6  17.0661   1:35 II
     2450987.4925  1998   6  22.9925  23:49 I
     2450996.8174  1998   7   2.3174   7:37 II
     2451002.7438  1998   7   8.2438   5:51 I
     2451012.0688  1998   7  17.5688  13:39 II
     2451017.9952  1998   7  23.4952  11:53 I
     2451027.3201  1998   8   1.8201  19:40 II
     2451033.2465  1998   8   7.7465  17:54 I
     2451042.5714  1998   8  17.0714   1:42 II
     2451048.4978  1998   8  22.9978  23:56 I
     2451057.8228  1998   9   1.3228   7:44 II
     2451063.7492  1998   9   7.2492   5:58 I
     2451073.0741  1998   9  16.5741  13:46 II
     2451079.0005  1998   9  22.5005  12: 0 I
     2451088.3254  1998  10   1.8254  19:48 II
     2451094.2518  1998  10   7.7518  18: 2 I
     2451103.5768  1998  10  17.0768   1:50 II
     2451109.5032  1998  10  23.0032   0: 4 I
     2451118.8281  1998  11   1.3281   7:52 II
     2451124.7545  1998  11   7.2545   6: 6 I
     2451134.0794  1998  11  16.5794  13:54 II
     2451140.0058  1998  11  22.5058  12: 8 I
     2451149.3308  1998  12   1.8308  19:56 II
     2451155.2572  1998  12   7.7572  18:10 I
     2451164.5821  1998  12  17.0821   1:58 II
     2451170.5085  1998  12  23.0085   0:12 I

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