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[vsnet-history 1090] V344 Lyr (Kato)


subject: observation of V344 Lyr

V344 Lyr (UGSU)

   1. Averaged nightly magnitudes (Ouda 60-cm + CCD)

      mid-UT     V-C   N  band
    930525.673  3.324 158 V
    930526.686  3.455 117 V
    930528.741  3.676  86 V
    930530.703  3.791  15 V

   2. Summary of the present superoutburst

  1993 05 15.9    [14.8 mv   T. Vanmunster
       05 16.9    [14.8 mv   T. Vanmunster
       05 22.0    [14.8 mv   T. Vanmunster
       05 25.020   13.8 mv   T. Vanmunster
       05 25.673   14.2 V    T. Kato (CCD, N=158)
       05 26.547   14.0 mv   S. Takahashi
       05 26.591   14.6 mv   M. Yamada
       05 26.686   14.4 V    T. Kato (CCD, N=117)
       05 27.519  [13.2 mv   M. Iida
       05 28.741   14.6 V    T. Kato (CCD, N=86)
       05 28.935   14.6 mv   G. Poyner
       05 30.703   14.7 V    T. YAvo (CCD, N=15)

   3. Times of superhump maxima and the revised period

     May UT   E    O-C
     25.601   0  -0.001
     25.693   1  -0.000
     25.788   2   0.003
     26.608  11   0.000
     26.698  12  -0.001
     26.789  13  -0.002
     28.713  34   0.002
     32.645  77   0.001
     32.734  78  -0.001

     O-C's are calculated by the formula:

     Max.UT = May 25.602 + 0.09145 E

Regards,
Taichi Kato

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