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[vsnet-newvar 656] New Takamizawa variable (TmzV765)

New Takamizawa variable (TmzV765)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV765).

TmzV765
= GSC6088.1200 112930.70 -185619.0 (2000.0) 14.11 0
= USNO0675.08204631 112930.669 -185618.94 (2000.0) 11.6 15.0
= IRAS11269-1839 112659.8 -183942 (1950.0)
     F12=3.31  F25=1.58  F60=0.40L F100=1.00L
     VAR=16 LRS=-1
  possibly II: variable star with 'young' O-rich circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 112930.3 -185614 (2000.0) IRAS11269-1839 3.250 1.625 0.400L 1.000L 16%
= 112930.3 -185614 (2000.0) SSC11269-1839 3.250 1.625 0.400L 1.000L
= 112930.6 -185620 (2000.0) LMS155 M7 >13.5
= 112932.3 -185629 (2000.0) FSC11270-1839 2.928 1.575 0.265 0.706L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-14.1p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV765        19940310.551  130p  Tmz.VSOLJ
TmzV765        19941229.765  129p  Tmz.VSOLJ
TmzV765        19950226.596  131p  Tmz.VSOLJ
TmzV765        19951124.776  135p  Tmz.VSOLJ
TmzV765        19970330.543  130p  Tmz.VSOLJ
TmzV765        19990112.747  140p  Tmz.VSOLJ
TmzV765        19990208.622  133p  Tmz.VSOLJ
TmzV765        19991207.815  141p  Tmz.VSOLJ
TmzV765        20000108.782  128p  Tmz.VSOLJ
TmzV765        20000131.678  130p  Tmz.VSOLJ
TmzV765        20001128.828  131p  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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