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[vsnet-newvar 1335] New Takamizawa variable (TmzV936)

New Takamizawa variable (TmzV936)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV936).

TmzV936
= GSC4296.758 005533.93 +682854.9 (2000.0) 11.19 1
= USNO1575.00572898 005533.972 +682855.13 (2000.0) 11.3 18.3
= IRAS00523+6812 005221.6 +681243 (1950.0)
     F12=7.58  F25=2.29  F60=0.76  F100=2.09L
     VAR=17 LRS=16
     blue featureless, spec.index=3.0
     VII: variable star with more evolved C-rich circumstellar shell
= 005533.5 +682859 (2000.0) CS137 - 11.4 7.8 -
= 005534.5 +682857 (2000.0) IRAS00523+6812 7.940 2.223 0.728 2.082L 17% 2(LRS)
= 005534.5 +682857 (2000.0) SSC00523+6812 7.940 2.223 0.728 2.082L
= 005522.9 +682932 (2000.0) DO23888

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.6-12.2p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV936        19950120.474  116p  Tmz.VSOLJ
TmzV936        19970517.718  119p  Tmz.VSOLJ
TmzV936        19970703.727  122p  Tmz.VSOLJ
TmzV936        19980116.397  116p  Tmz.VSOLJ
TmzV936        19980823.617  118p  Tmz.VSOLJ
TmzV936        19981011.414  121p  Tmz.VSOLJ
TmzV936        19990105.447  119p  Tmz.VSOLJ
TmzV936        20000529.751  120p  Tmz.VSOLJ
TmzV936        20001216.393  120p  Tmz.VSOLJ
TmzV936        20010520.749  120p  Tmz.VSOLJ
TmzV936        20011116.528  119p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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