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[vsnet-obs 21777] New Takamizawa variable (TmzV448)

New Takamizawa variable (TmzV448)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV448).

TmzV448
= GSC7139.2409 082922.64 -333331.9 (2000.0) 12.46 6
= USNO0525.07421193 082922.648 -333332.50 (2000.0) 10.5 15.2
= IRAS08274-3323 082724.0 -332326 (1950.0)
    F12=2.09  F25=0.63  F60=0.40L F100=10.00L
    VAR=47 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
= 082922.4 -333330 (2000.0) IRAS08274-3323 2.105 0.616 0.400L 10.150L 47%
= 082922.4 -333330 (2000.0) SSC08274-3323 2.105 0.616 0.400L 10.150L
= 082922.7 -333328 (2000.0) CS2225 - 10.7 - -
= 082923.9 -333300 (2000.0) C(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.1-13.0p.

object         YYMMDD(UT)   mag  code
TmzV448        950220.528  129p  Tmz.VSOLJ
TmzV448        951118.735  123p  Tmz.VSOLJ
TmzV448        951222.701  121p  Tmz.VSOLJ
TmzV448        960211.540  128p  Tmz.VSOLJ
TmzV448        961021.828  127p  Tmz.VSOLJ
TmzV448        971103.834  130p  Tmz.VSOLJ
TmzV448        971203.741  130p  Tmz.VSOLJ
TmzV448        971231.679  128p  Tmz.VSOLJ
TmzV448        980322.516  128p  Tmz.VSOLJ
TmzV448        981115.785  127p  Tmz.VSOLJ
TmzV448        990208.537  127p  Tmz.VSOLJ
TmzV448        990404.452  128p  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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