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[vsnet-history 648] SN 1993J (Kato)


Date: Thu, 8 Apr 93 03:45:27 JST
From: tkato@kusastro.kyoto-u.ac.jp (Taichi Kato)
Subject: SN1993J, photometry at Ouda, Apr.7

  CCD observations on Apr. 7 at Ouda Station, Kyoto University (Nara, Japan)
  (60-cm reflector, fl=4.8m)

              SN-starA              starB-StarA
  band*    mid UT   dmag  N         mid UT   dmag  N
  ----  ----------------------------------------------
   V    930407.496  0.301  13    930407.496  0.503  13
   B    930407.532  0.151  12    930407.532  0.441  12
   Ic   930407.567  0.379  13    930407.567  0.496  13
  ----  ----------------------------------------------
   V    930407.589  0.305  13    930407.589  0.481  13

  band: uncorrected Ouda system
  Using standard values of starB (V=11.90, B=12.40, Ic=11.30), we obtain

  (first half)
  SN:     V=11.70,  B=12.11,  Ic=11.18
  starA:  V=11.40,  B=11.96,  Ic=10.80
  (last half)
  SN:     V=11.73
  starA:  V=11.42

Regards,
Taichi Kato (Kyoto University)

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