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[vsnet-newvar 381] New Takamizawa variable (TmzV745)

New Takamizawa variable (TmzV745)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV745).

TmzV745
= GSC541.1533 212349.28 +062609.8 (2000.0) 11.66 1 N
= GSC541.1533 212349.32 +062610.6 (2000.0) 11.04 1 N
= USNO0900.19731499 212349.330 +062610.00 (2000.0) 10.9 12.7
= IRAS21213+0613 212119.9 +061314 (1950.0)
    F12=2.75  F25=1.32  F60=0.40L F100=1.00L
    VAR= 0 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 212348.3 +062606 (2000.0) FSC21213+0613 2.757 1.367 0.212 0.669L
= 212348.8 +062608 (2000.0) IRAS21213+0613 2.771 1.349 0.400L 1.000L 0%
= 212348.8 +062608 (2000.0) SSC21213+0613 2.771 1.349 0.400L 1.000L
= 212349.2 +062610 (2000.0) 1147 1.20 TYC2-541.1533.1 (11.60 0.13) (13.01 0.31)
= 212352.0 +062543 (2000.0) DO7357

   Note the following GSC star is closed located south.

GSC541.1293 212349.30 +062558.8 (2000.0) 15.62 1 N
GSC541.1293 212349.34 +062600.4 (2000.0) 15.40 1 N

  Takamizawa's comment:
  The star may be a semiregular variable with a range of 11.7-12.3p.

object         YYYYMMDD(UT)   mag  code
TmzV745        19940414.756  120p  Tmz.VSOLJ
TmzV745        19940705.605  118p  Tmz.VSOLJ
TmzV745        19940803.616  118p  Tmz.VSOLJ
TmzV745        19940930.568  121p  Tmz.VSOLJ
TmzV745        19941127.428  118p  Tmz.VSOLJ
TmzV745        19941220.392  123p  Tmz.VSOLJ
TmzV745        19950311.826  123p  Tmz.VSOLJ
TmzV745        19950401.803  117p  Tmz.VSOLJ
TmzV745        19950804.658  123p  Tmz.VSOLJ
TmzV745        19951020.465  123p  Tmz.VSOLJ
TmzV745        19951212.413  120p  Tmz.VSOLJ
TmzV745        19960318.808  121p  Tmz.VSOLJ
TmzV745        19990709.616  117p  Tmz.VSOLJ
TmzV745        19991029.479  118p  Tmz.VSOLJ
TmzV745        19991224.395  119p  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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