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[vsnet-newvar 204] New Takamizawa variable (TmzV662)



New Takamizawa variable (TmzV662)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV662).

TmzV662
= GSC3981.474 220621.08 +593938.5 (2000.0) 10.99 6
= USNO1425.12943580 220621.089 +593938.17 (2000.0) 10.0 14.6
= IRAS22047+5924 220442.0 +592456 (1950.0)
    F12=3.31  F25=2.75  F60=0.76  F100=25.11L
    VAR=23 LRS=-1
    IIIa: variable star with more evolved O-rich c.s. shell
= 220621.2 +593935 (2000.0) IRAS22047+5924 3.240 2.653 0.787 25.080L 23%
= 220621.2 +593935 (2000.0) SSC22047+5924 3.240 2.653 0.787 25.080L
= 220624.5 +593816 (2000.0) DO40744

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.7-11.7p.

object         YYYYMMDD(UT)   mag  code
TmzV662        19940903.562  109p  Tmz.VSOLJ
TmzV662        19970824.567  117p  Tmz.VSOLJ
TmzV662        19970827.540  116p  Tmz.VSOLJ
TmzV662        19971218.437  107p  Tmz.VSOLJ
TmzV662        19980823.562  109p  Tmz.VSOLJ
TmzV662        19980916.530  111p  Tmz.VSOLJ
TmzV662        19990709.574  111p  Tmz.VSOLJ
TmzV662        19990807.594  115p  Tmz.VSOLJ
TmzV662        19991226.462  116p  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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