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[vsnet-obs 21298] New Takamizawa variable (TmzV390)

New Takamizawa variable (TmzV390)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV390).

TmzV390
= GSC4848.1821 082127.60 -003349.3 (2000.0) 11.93 0
= USNO0825.06257281 082127.610 -003349.23 (2000.0) 10.0 13.5
= IRAS08189-0024 081854.0 -002413 (1950.0)
    F12=2.09  F25=0.69  F60=0.40L F100=1.00L
    VAR=29 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
= 082126.7 -003345 (2000.0) FSC08188-0024 2.193 0.686 0.184L 0.764L
= 082127.2 -003348 (2000.0) IRAS08189-0024 2.174 0.712 0.400L 1.000L 29%
= 082127.2 -003348 (2000.0) SSC08189-0024 2.174 0.712 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.3-11.8p.

object         YYMMDD(UT)   mag  code
TmzV390        940306.492  117p  Tmz.VSOLJ
TmzV390        941111.708  117p  Tmz.VSOLJ
TmzV390        950220.550  118p  Tmz.VSOLJ
TmzV390        951025.790  115p  Tmz.VSOLJ
TmzV390        951222.729  116p  Tmz.VSOLJ
TmzV390        961208.635  117p  Tmz.VSOLJ
TmzV390        970227.512  116p  Tmz.VSOLJ
TmzV390        971012.765  113p  Tmz.VSOLJ
TmzV390        971231.652  115p  Tmz.VSOLJ
TmzV390        980919.793  115p  Tmz.VSOLJ
TmzV390        981117.719  114p  Tmz.VSOLJ
TmzV390        990208.527  116p  Tmz.VSOLJ
TmzV390        990404.467  114p  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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