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[vsnet-newvar 1336] New Takamizawa variable (TmzV937)

New Takamizawa variable (TmzV937)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV937).

TmzV937
= GSC4296.848 010249.76 +680119.1 (2000.0) 12.68 1
= USNO1575.00650808 010249.735 +680119.54 (2000.0) 12.7 16.2
= IRAS00595+6745 005933.3 +674516 (1950.0)
     F12=0.91  F25=0.30  F60=0.40L F100=2.29L
     VAR= 0 LRS=-1
  possibly I: oxygen-rich non-variable star without 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
= 010250.3 +680122 (2000.0) IRAS00595+6745 0.930 0.295 0.400L 2.197L 0%
= 010250.3 +680122 (2000.0) SSC00595+6745 0.930 0.295 0.400L 2.197L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.6-13.2p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV937        19950120.474  132p  Tmz.VSOLJ
TmzV937        19970517.718  130p  Tmz.VSOLJ
TmzV937        19970703.727  129p  Tmz.VSOLJ
TmzV937        19980116.397  129p  Tmz.VSOLJ
TmzV937        19980823.617  126p  Tmz.VSOLJ
TmzV937        19981011.414  130p  Tmz.VSOLJ
TmzV937        19990105.447  129p  Tmz.VSOLJ
TmzV937        20000529.751  130p  Tmz.VSOLJ
TmzV937        20001216.393  132p  Tmz.VSOLJ
TmzV937        20010520.749  129p  Tmz.VSOLJ
TmzV937        20011116.528  127p  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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