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[vsnet-obs 20116] New Takamizawa variable (TmzV328)

New Takamizawa variable (TmzV328)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV328).

TmzV328
= GSC5974.3942 072135.43 -202736.1 (2000.0) 12.92 0
= USNO0675.03930867 072135.430 -202736.49 (2000.0) 10.8 14.2
= IRAS07194-2021 071925.2 -202152 (1950.0)
    F12=0.91  F25=0.30  F60=0.40L F100=2.29L
    VAR= 9 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 072135.3 -202734 (2000.0) CS1673 13.5 10.4 9.1 -
= 072135.5 -202736 (2000.0) IRAS07194-2021 0.881 0.285 0.400L 2.227L 9%
= 072135.5 -202736 (2000.0) SSC07194-2021 0.881 0.285 0.400L 2.227L
= 072136.0 -202559 (2000.0) C5,4:(Buscombe) V=10.4 - -

  Takamizawa's comment:

  The star may be an irregular variable with a range of 11.0-11.9p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV328        940314.505  114p  Tmz.VSOLJ
TmzV328        941111.738  112p  Tmz.VSOLJ
TmzV328        950203.546  119p  Tmz.VSOLJ
TmzV328        950927.799  110p  Tmz.VSOLJ
TmzV328        951118.744  112p  Tmz.VSOLJ
TmzV328        951222.685  112p  Tmz.VSOLJ
TmzV328        960211.515  114p  Tmz.VSOLJ
TmzV328        961021.776  114p  Tmz.VSOLJ
TmzV328        961206.707  113p  Tmz.VSOLJ
TmzV328        970103.622  115p  Tmz.VSOLJ
TmzV328        970227.485  116p  Tmz.VSOLJ
TmzV328        971013.791  113p  Tmz.VSOLJ
TmzV328        971103.802  117p  Tmz.VSOLJ
TmzV328        971204.703  113p  Tmz.VSOLJ
TmzV328        971224.641  112p  Tmz.VSOLJ
TmzV328        980121.556  114p  Tmz.VSOLJ
TmzV328        980217.505  114p  Tmz.VSOLJ
TmzV328        980325.461  110p  Tmz.VSOLJ
TmzV328        981115.744  114p  Tmz.VSOLJ
TmzV328        981212.628  113p  Tmz.VSOLJ
TmzV328        990208.557  114p  Tmz.VSOLJ
TmzV328        990404.438  112p  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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