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[vsnet-obs 21380] New Takamizawa variable (TmzV406)

New Takamizawa variable (TmzV406)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV406).

TmzV406
= GSC5417.1481 080758.24 -102931.7 (2000.0) 11.29 0
= USNO0750.05822917 080758.237 -102931.93 (2000.0) 10.2 12.2
= IRAS08055-1020 080535.2 -102046 (1950.0)
    F12=0.63  F25=0.25L F60=0.40L F100=1.10L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or 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
= 080758.4 -102930 (2000.0) FSC08055-1020 0.678 0.197 0.148 0.495L
= 080758.4 -102932 (2000.0) IRAS08055-1020 0.633 0.250L 0.400L 1.114L -1%
= 080758.4 -102932 (2000.0) SSC08055-1020 0.633 0.250L 0.400L 1.114L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.7-11.4p.

object         YYMMDD(UT)   mag  code
TmzV406        940505.456  109p  Tmz.VSOLJ
TmzV406        941111.717  109p  Tmz.VSOLJ
TmzV406        950220.543  110p  Tmz.VSOLJ
TmzV406        951222.721  109p  Tmz.VSOLJ
TmzV406        960211.531  116p  Tmz.VSOLJ
TmzV406        961208.645  110p  Tmz.VSOLJ
TmzV406        970227.504  114p  Tmz.VSOLJ
TmzV406        971013.813  109p  Tmz.VSOLJ
TmzV406        971203.733  109p  Tmz.VSOLJ
TmzV406        971231.663  109p  Tmz.VSOLJ
TmzV406        981115.792  107p  Tmz.VSOLJ
TmzV406        981117.735  108p  Tmz.VSOLJ
TmzV406        990208.547  109p  Tmz.VSOLJ
TmzV406        990404.460  107p  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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