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[vsnet-obs 21344] New Takamizawa variable (TmzV393)

New Takamizawa variable (TmzV393)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV393).

TmzV393
= GSC4845.1254 075843.41 -070211.0 (2000.0) 13.89 0
= GSC4845.1254 075843.45 -070211.4 (2000.0) 13.54 0
= USNO0825.05833070 075843.458 -070211.62 (2000.0) 11.6 14.7
= IRAS07562-0654 075617.3 -065401 (1950.0)
    F12=1.74  F25=0.76  F60=0.40L F100=1.00L
    VAR= 9 LRS=-1
 possibly II: variable star with 'young' O-rich 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
= 075842.8 -070210 (2000.0) FSC07562-0653 1.648 0.764 0.190L 1.728L
= 075843.3 -070211 (2000.0) LMS92 M7-8 >13.5
= 075843.8 -070212 (2000.0) IRAS07562-0654 1.692 0.788 0.400L 1.000L 9%
= 075843.8 -070212 (2000.0) SSC07562-0654 1.692 0.788 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.2-14.2p.

object         YYMMDD(UT)   mag  code
TmzV393        941111.708  142p  Tmz.VSOLJ
TmzV393        950220.543  133p  Tmz.VSOLJ
TmzV393        951025.790  139p  Tmz.VSOLJ
TmzV393        951222.721  132p  Tmz.VSOLJ
TmzV393        961021.796  142p  Tmz.VSOLJ
TmzV393        961208.645  136p  Tmz.VSOLJ
TmzV393        970227.512  133p  Tmz.VSOLJ
TmzV393        971203.733  138p  Tmz.VSOLJ
TmzV393        971231.663  137p  Tmz.VSOLJ
TmzV393        981117.732  132p  Tmz.VSOLJ
TmzV393        990404.467  133p  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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