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[vsnet-obs 24067] New Takamizawa variable (TmzV588)

New Takamizawa variable (TmzV588)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV588).

TmzV588
= GSC4270.8 215829.11 +635006.8 (2000.0) 11.36 6
= GSC4270.8 215829.20 +635007.4 (2000.0) 11.11 1
= USNO1500.08694843 215829.224 +635007.26 (2000.0) 11.4 15.8
= IRAS21570+6335 215704.2 +633542 (1950.0)
    F12=0.91  F25=0.33  F60=0.76  F100=6.92 
    VAR= 6 LRS=-1
    VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 215829.1 +635004 (2000.0) IRAS21570+6335 0.927 0.335 0.788 6.897 6%
= 215829.1 +635004 (2000.0) SSC21570+6335 0.927 0.335 0.788 6.897
= 215829.5 +635003 (2000.0) CS5536 - 11.7 - -
= 215830.0 +634859 (2000.0) C(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.5-12.0p.

object         YYMMDD(UT)   mag  code
TmzV588        970827.540  117p  Tmz.VSOLJ
TmzV588        971218.437  119p  Tmz.VSOLJ
TmzV588        980823.563  115p  Tmz.VSOLJ
TmzV588        980916.530  120p  Tmz.VSOLJ
TmzV588        981107.440  115p  Tmz.VSOLJ
TmzV588        990709.574  116p  Tmz.VSOLJ
TmzV588        990807.594  119p  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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