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[vsnet-obs 21773] New Takamizawa variable (TmzV445)

New Takamizawa variable (TmzV445)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV445).

TmzV445
= GSC7143.1096 083153.28 -341317.8 (2000.0) 12.90 6 N
= USNO0525.07563817 083153.386 -341317.89 (2000.0) 10.6 13.1 *
= IRAS08299-3403 082955.8 -340305 (1950.0)
    F12=2.75  F25=1.32  F60=0.44L F100=1.74L
    VAR=36 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 083155.1 -341338 (2000.0) CD-33.5137 10.0 ?
= 083153.6 -341318 (2000.0) IRAS08299-3403 2.663 1.314 0.445L 1.704L 36%
= 083153.6 -341318 (2000.0) SSC08299-3403 2.663 1.314 0.445L 1.704L
= 083153.9 -341259 (2000.0) M8(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.6-13.8p.

object         YYMMDD(UT)   mag  code
TmzV445        950220.528  134p  Tmz.VSOLJ
TmzV445        951118.735  135p  Tmz.VSOLJ
TmzV445        951222.701  136p  Tmz.VSOLJ
TmzV445        960211.540  130p  Tmz.VSOLJ
TmzV445        961021.828  129p  Tmz.VSOLJ
TmzV445        971103.834  134p  Tmz.VSOLJ
TmzV445        971203.741  138p  Tmz.VSOLJ
TmzV445        971231.679  132p  Tmz.VSOLJ
TmzV445        980322.516  134p  Tmz.VSOLJ
TmzV445        981115.785  126p  Tmz.VSOLJ
TmzV445        990208.537  133p  Tmz.VSOLJ
TmzV445        990404.452  131p  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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