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[vsnet-obs 21947] New Takamizawa variable (TmzV473)

New Takamizawa variable (TmzV473)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV473).

TmzV473
= GSC7126.3659 082020.74 -321356.4 (2000.0) 12.61 6
= IRAS08183-3204 081822.2 -320428 (1950.0)
    F12=3.31  F25=1.32  F60=0.40L F100=1.74L
    VAR=57 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 082021.4 -321400 (2000.0) IRAS08183-3204 3.219 1.289 0.400L 1.660L 57%
= 082021.4 -321400 (2000.0) SSC08183-3204 3.219 1.289 0.400L 1.660L
= 082018.0 -321259 (2000.0) M8(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.3-<14.3p.

object         YYMMDD(UT)   mag  code
TmzV473        941111.724  123p  Tmz.VSOLJ
TmzV473        950220.528  140p  Tmz.VSOLJ
TmzV473        951118.735  137p  Tmz.VSOLJ
TmzV473        951222.701  143p  Tmz.VSOLJ
TmzV473        960211.540  <143p  Tmz.VSOLJ
TmzV473        961021.828  <140p  Tmz.VSOLJ
TmzV473        970227.495  124p  Tmz.VSOLJ
TmzV473        971013.806  132p  Tmz.VSOLJ
TmzV473        971103.834  132p  Tmz.VSOLJ
TmzV473        971203.741  127p  Tmz.VSOLJ
TmzV473        971231.679  133p  Tmz.VSOLJ
TmzV473        980322.516  141p  Tmz.VSOLJ
TmzV473        981115.785  132p  Tmz.VSOLJ
TmzV473        990208.537  <140p  Tmz.VSOLJ
TmzV473        990404.452  138p  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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