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[vsnet-newvar 178] New Takamizawa variable (TmzV638)

New Takamizawa variable (TmzV638)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV638).

TmzV638
= GSC4262.1324 214656.31 +612617.3 (2000.0) 12.97 6
= USNO1500.08468942 214656.308 +612617.02 (2000.0) 12.4 15.1
= IRAS21454+6112 214529.6 +611218 (1950.0)
    F12=0.33  F25=0.25L F60=0.40L F100=4.78L
    VAR=-1 LRS=-1
= 214655.9 +612614 (2000.0) IRAS21454+6112 0.339 0.250L 0.400L 4.624L -1%
= 214655.9 +612614 (2000.0) SSC21454+6112 0.339 0.250L 0.400L 4.624L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.6p.

object         YYYYMMDD(UT)   mag  code
TmzV638        19940903.562  131p  Tmz.VSOLJ
TmzV638        19970824.567  131p  Tmz.VSOLJ
TmzV638        19970827.540  133p  Tmz.VSOLJ
TmzV638        19971218.437  128p  Tmz.VSOLJ
TmzV638        19980823.562  134p  Tmz.VSOLJ
TmzV638        19980916.530  128p  Tmz.VSOLJ
TmzV638        19990709.574  131p  Tmz.VSOLJ
TmzV638        19990807.594  128p  Tmz.VSOLJ
TmzV638        19991226.462  136p  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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