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[vsnet-obs 21610] New Takamizawa variable (TmzV425)

New Takamizawa variable (TmzV425)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV425).

TmzV425
= USNO0600.05638699 081338.038 -255735.63 (2000.0) 11.4 17.1
= IRAS08115-2548 081131.4 -254824 (1950.0)
    F12=0.58  F25=0.17  F60=0.40L F100=1.32L
    VAR= 3 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 081337.9 -255731 (2000.0) IRAS08115-2548 0.592 0.178 0.400L 1.313L 3%
= 081337.9 -255731 (2000.0) SSC08115-2548 0.592 0.178 0.400L 1.313L
= 081335.9 -255659 (2000.0) C(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.5-14.2p.

object         YYMMDD(UT)   mag  code
TmzV425        941111.724  139p  Tmz.VSOLJ
TmzV425        950220.535  139p  Tmz.VSOLJ
TmzV425        951118.735  139p  Tmz.VSOLJ
TmzV425        951222.713  142p  Tmz.VSOLJ
TmzV425        960211.540  138p  Tmz.VSOLJ
TmzV425        961021.828  137p  Tmz.VSOLJ
TmzV425        961208.655  137p  Tmz.VSOLJ
TmzV425        970227.495  136p  Tmz.VSOLJ
TmzV425        971013.806  135p  Tmz.VSOLJ
TmzV425        971203.725  135p  Tmz.VSOLJ
TmzV425        971231.672  135p  Tmz.VSOLJ
TmzV425        981115.785  138p  Tmz.VSOLJ
TmzV425        990208.537  138p  Tmz.VSOLJ
TmzV425        990404.452  140p  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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