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[vsnet-obs 21353] New Takamizawa variable (TmzV402)

New Takamizawa variable (TmzV402)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV402).

TmzV402
= USNO0750.05623294 080027.826 -140614.47 (2000.0) 12.6 15.8
= IRAS07581-1357 075808.6 -135757 (1950.0)
    F12=1.32  F25=0.58  F60=0.40L F100=1.00L
    VAR=76 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 080027.7 -140615 (2000.0) IRAS07581-1357 1.317 0.595 0.400L 1.000L 76%
= 080027.7 -140615 (2000.0) SSC07581-1357 1.317 0.595 0.400L 1.000L

  Takamizawa's comment:

  The star may be a Mira-type variable with a range of 13.6-<15.1p.
  The star is visible at mag 18 on Real-Sky CD.

object         YYMMDD(UT)   mag  code
TmzV402        941111.717  <151p  Tmz.VSOLJ
TmzV402        950220.543  141p  Tmz.VSOLJ
TmzV402        951222.721  <151p  Tmz.VSOLJ
TmzV402        960211.531  146p  Tmz.VSOLJ
TmzV402        961208.645  149p  Tmz.VSOLJ
TmzV402        970227.504  151p  Tmz.VSOLJ
TmzV402        971013.813  <151p  Tmz.VSOLJ
TmzV402        971203.733  136p  Tmz.VSOLJ
TmzV402        971231.663  144p  Tmz.VSOLJ
TmzV402        981115.792  139p  Tmz.VSOLJ
TmzV402        981117.735  139p  Tmz.VSOLJ
TmzV402        990208.547  <151p  Tmz.VSOLJ
TmzV402        990404.460  <151p  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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