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[vsnet-newvar 672] New Takamizawa variable (TmzV777)

New Takamizawa variable (TmzV777)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV777).

TmzV777
= GSC5309.696 033953.13 -133749.2 (2000.0) 12.35 0
= USNO0750.00810559 033953.114 -133749.73 (2000.0)  9.5 12.2
= 2MASS 033953.136 -133749.08 (2000.0)  0.000  0.000  0.000
= IRAS03375-1347 033732.5 -134731 (1950.0)
     F12=2.75  F25=1.32  F60=0.40L F100=1.00L
     VAR= 6 LRS=-1
  possibly II: variable star with 'young' O-rich circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 033953.0 -133754 (2000.0) SD-14.719 10.
= 033952.8 -133751 (2000.0) IRAS03375-1347 2.737 1.357 0.400L 1.000L 6%
= 033952.8 -133751 (2000.0) SSC03375-1347 2.737 1.357 0.400L 1.000L
= 033952.9 -133749 (2000.0) FSC03375-1347 2.777 1.361 0.163 0.550L
= 033953.0 -133836 (2000.0) LMS25 M5 13.5
= 033953.1 -133749 (2000.0) 1089 1.58 TYC2-5309.696.1 (11.05 0.10) (12.91 0.38)

  Takamizawa's comment:

   The star may be a semiregular variable  with a range of 11.6-12.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV777        19941104.651  119p  Tmz.VSOLJ
TmzV777        19951020.678  124p  Tmz.VSOLJ
TmzV777        19960111.485  117p  Tmz.VSOLJ
TmzV777        19960815.769  118p  Tmz.VSOLJ
TmzV777        19960922.717  122p  Tmz.VSOLJ
TmzV777        19961206.540  122p  Tmz.VSOLJ
TmzV777        19961206.549  121p  Tmz.VSOLJ
TmzV777        19971008.738  122p  Tmz.VSOLJ
TmzV777        19971028.713  120p  Tmz.VSOLJ
TmzV777        19971231.533  116p  Tmz.VSOLJ
TmzV777        19981111.582  119p  Tmz.VSOLJ
TmzV777        19991129.541  120p  Tmz.VSOLJ
TmzV777        20000926.756  119p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       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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