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[vsnet-obs 24158] New Takamizawa variable (TmzV610)

New Takamizawa variable (TmzV610)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV610).

TmzV610
= GSC3978.388 212439.23 +594303.7 (2000.0) 13.56 1
= USNO1425.11968669 212439.287 +594303.79 (2000.0) 11.9 15.7
= IRAS21232+5930 212317.3 +593004 (1950.0)
    F12=0.76  F25=0.48  F60=0.40L F100=20.89L
    VAR= 2 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
= 212439.2 +594302 (2000.0) IRAS21232+5930 0.772 0.469 0.400L 20.100L 2%
= 212439.2 +594302 (2000.0) SSC21232+5930 0.772 0.469 0.400L 20.100L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-14.3p.

object         YYMMDD(UT)   mag  code
TmzV610        940903.562  138p  Tmz.VSOLJ
TmzV610        970824.567  143p  Tmz.VSOLJ
TmzV610        970827.540  139p  Tmz.VSOLJ
TmzV610        971218.437  141p  Tmz.VSOLJ
TmzV610        980823.562  141p  Tmz.VSOLJ
TmzV610        980916.530  142p  Tmz.VSOLJ
TmzV610        990709.574  130p  Tmz.VSOLJ
TmzV610        990807.594  139p  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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