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[vsnet-obs 24142] New Takamizawa variable (TmzV607)



New Takamizawa variable (TmzV607)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV607).

TmzV607
= GSC4252.1098 212336.22 +615856.6 (2000.0) 10.81 1
= USNO1500.08069182 212336.234 +615856.87 (2000.0) 10.2 13.5
= IRAS21223+6145 212221.0 +614555 (1950.0)
    F12=0.30  F25=0.25L F60=0.40L F100=13.18L
    VAR=-1 LRS=-1
= 212335.6 +615850 (2000.0) IRAS21223+6145 0.302 0.250L 0.400L 13.010L -1%
= 212335.6 +615850 (2000.0) SSC21223+6145 0.302 0.250L 0.400L 13.010L
= 212347.5 +615849 (2000.0) DO39539

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.7-11.4p.

object         YYMMDD(UT)   mag  code
TmzV607        970824.567  111p  Tmz.VSOLJ
TmzV607        970827.540  113p  Tmz.VSOLJ
TmzV607        971218.437  107p  Tmz.VSOLJ
TmzV607        980823.562  111p  Tmz.VSOLJ
TmzV607        980916.530  118p  Tmz.VSOLJ
TmzV607        990709.574  108p  Tmz.VSOLJ
TmzV607        990807.594  108p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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