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[vsnet-obs 23396] New Takamizawa variable (TmzV547)

New Takamizawa variable (TmzV547)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV547).

TmzV547
= GSC4462.1047 213925.59 +675824.1 (2000.0) 11.64 1 N
= USNO1575.04813137 213925.580 +675824.11 (2000.0) 99.9 15.7
= IRAS21384+6744 213826.9 +674442 (1950.0)
    F12=2.51  F25=1.20  F60=0.40L F100=13.18L
    VAR= 6 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 213925.6 +675820 (2000.0) FSC21384+6744 2.356 1.099 0.564L 4.957L
= 213925.7 +675820 (2000.0) IRAS21384+6744 2.458 1.175 0.413L 12.990L 6%
= 213925.7 +675820 (2000.0) SSC21384+6744 2.458 1.175 0.413L 12.990L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.0-13.4p.

object         YYMMDD(UT)   mag  code
TmzV547        970827.540  131p  Tmz.VSOLJ
TmzV547        971218.437  129p  Tmz.VSOLJ
TmzV547        980823.563  133p  Tmz.VSOLJ
TmzV547        980916.530  134p  Tmz.VSOLJ
TmzV547        981107.440  120p  Tmz.VSOLJ
TmzV547        990709.574  120p  Tmz.VSOLJ
TmzV547        990807.594  122p  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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