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[vsnet-newvar 680] New Takamizawa variable (TmzV783)

New Takamizawa variable (TmzV783)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV783).

TmzV783
= GSC2305.952 013551.42 +361025.3 (2000.0) 12.61 1
= USNO1200.00672388 013551.438 +361025.57 (2000.0) 11.6 14.5
= 2MASS 013551.417 +361025.29 (2000.0)  6.451  5.584  5.216
= IRAS01329+3555 013257.7 +355502 (1950.0)
     F12=0.76  F25=0.30  F60=0.40L F100=1.00L
     VAR=12 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
= 013550.8 +361020 (2000.0) IRAS01329+3555 0.781 0.301 0.400L 1.000L 12%
= 013550.8 +361020 (2000.0) SSC01329+3555 0.781 0.301 0.400L 1.000L
= 013551.1 +361031 (2000.0) LMS11 M7 13.5
= 013552.0 +361031 (2000.0) FSC01329+3555 0.662 0.284 0.166L 0.623L

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 11.7-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV783        19940614.732  133p  Tmz.VSOLJ
TmzV783        19940908.682  132p  Tmz.VSOLJ
TmzV783        19951217.467  117p  Tmz.VSOLJ
TmzV783        19970606.736  133p  Tmz.VSOLJ
TmzV783        19970811.693  130p  Tmz.VSOLJ
TmzV783        19980820.664  132p  Tmz.VSOLJ
TmzV783        19990724.689  126p  Tmz.VSOLJ
TmzV783        19991226.485  121p  Tmz.VSOLJ
TmzV783        20000926.664  128p  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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