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[vsnet-obs 19874] New Takamizawa variable (TmzV300)

New Takamizawa variable (TmzV300)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV300).

TmzV300
= GSC1910.1357 073031.51 +223655.9 (2000.0) 13.27 1
= USNO1125.05242997 073031.508 +223655.82 (2000.0) 12.4 15.9
= IRAS07275+2243 072733.0 +224313 (1950.0)
    F12=0.36  F25=0.63L F60=0.40L F100=1.00L
    VAR=-1 LRS=-1
= 073031.6 +223654 (2000.0) FSC07275+2243 0.420 0.187 0.139L 0.906L
= 073032.5 +223653 (2000.0) IRAS07275+2243 0.382 0.607L 0.400L 1.000L -1%
= 073032.5 +223653 (2000.0) SSC07275+2243 0.382 0.607L 0.400L 1.000L

  Takamizawa's comment:

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

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV300        940306.463  130p  Tmz.VSOLJ
TmzV300        950220.493  137p  Tmz.VSOLJ
TmzV300        951025.763  139p  Tmz.VSOLJ
TmzV300        951222.656  141p  Tmz.VSOLJ
TmzV300        961206.683  132p  Tmz.VSOLJ
TmzV300        970830.787  135p  Tmz.VSOLJ
TmzV300        970929.776  137p  Tmz.VSOLJ
TmzV300        971103.778  138p  Tmz.VSOLJ
TmzV300        980217.530  140p  Tmz.VSOLJ
TmzV300        980919.760  143p  Tmz.VSOLJ
TmzV300        981115.769  140p  Tmz.VSOLJ
TmzV300        981212.653  140p  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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