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[vsnet-obs 21609] New Takamizawa variable (TmzV424)

New Takamizawa variable (TmzV424)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV424).

TmzV424
= USNO0600.04832816 075630.041 -234120.23 (2000.0) 12.0 15.4
= IRAS07543-2333 075422.4 -233321 (1950.0)
    F12=1.32  F25=0.69  F60=0.40L F100=4.78L
    VAR=14 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 075630.4 -234124 (2000.0) IRAS07543-2333 1.359 0.669 0.400L 4.754L 14%
= 075630.4 -234124 (2000.0) SSC07543-2333 1.359 0.669 0.400L 4.754L
= 075623.9 -234059 (2000.0) M7(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.4-14.1p.

object         YYMMDD(UT)   mag  code
TmzV424        941111.724  136p  Tmz.VSOLJ
TmzV424        950220.535  141p  Tmz.VSOLJ
TmzV424        951118.735  137p  Tmz.VSOLJ
TmzV424        951222.713  138p  Tmz.VSOLJ
TmzV424        960211.540  137p  Tmz.VSOLJ
TmzV424        961021.828  138p  Tmz.VSOLJ
TmzV424        961208.655  136p  Tmz.VSOLJ
TmzV424        970227.495  136p  Tmz.VSOLJ
TmzV424        971013.806  135p  Tmz.VSOLJ
TmzV424        971203.725  135p  Tmz.VSOLJ
TmzV424        971231.672  134p  Tmz.VSOLJ
TmzV424        981115.785  137p  Tmz.VSOLJ
TmzV424        990208.537  138p  Tmz.VSOLJ
TmzV424        990404.452  137p  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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