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[vsnet-obs 24200] New Takamizawa variable (TmzV613)

New Takamizawa variable (TmzV613)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV613).

TmzV613
= GSC3978.1279 213100.37 +583914.6 (2000.0) 13.36 1
= USNO1425.12086533 213100.410 +583914.51 (2000.0) 11.9 15.8
= IRAS21295+5825 212933.3 +582559 (1950.0)
    F12=0.91  F25=0.25  F60=3.31L F100=36.30L
    VAR=11 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 213100.6 +583914 (2000.0) IRAS21295+5825 0.906 0.255 3.351L 34.940L 11%
= 213100.6 +583914 (2000.0) SSC21295+5825 0.906 0.255 3.351L 34.940L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.2-13.8p.

object         YYMMDD(UT)   mag  code
TmzV613        940903.562  132p  Tmz.VSOLJ
TmzV613        970824.567  133p  Tmz.VSOLJ
TmzV613        970827.540  133p  Tmz.VSOLJ
TmzV613        971218.437  137p  Tmz.VSOLJ
TmzV613        980823.562  135p  Tmz.VSOLJ
TmzV613        980916.530  132p  Tmz.VSOLJ
TmzV613        990709.574  136p  Tmz.VSOLJ
TmzV613        990807.594  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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