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[vsnet-newvar 678] New Takamizawa variable (TmzV781)

New Takamizawa variable (TmzV781)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV781).

TmzV781
= GSC1747.1016 011102.19 +235110.8 (2000.0) 11.55 1
= USNO1125.00407268 011102.220 +235110.98 (2000.0) 11.2 13.4
= 2MASS 011102.198 +235110.74 (2000.0)  5.661  0.000  0.000
= IRAS01083+2335 010820.0 +233517 (1950.0)
     F12=1.44  F25=0.76  F60=0.40L F100=1.00L
     VAR= 0 LRS=-1
  possibly IIIa: variable star with more evolved O-rich c.s. shell
  or VIb: variable star with relatively hot dust close to
       the star and relatively cold dust at large distance
       may be O-rich
  or VII: variable star with more evolved C-rich circumstellar shell
= 011101.5 +235107 (2000.0) FSC01083+2335 1.440 0.746 0.157 1.001L
= 011102.4 +235112 (2000.0) IRAS01083+2335 1.416 0.747 0.400L 1.000L 0%
= 011102.4 +235112 (2000.0) SSC01083+2335 1.416 0.747 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 11.0-12.0p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV781        19940614.711  113p  Tmz.VSOLJ
TmzV781        19940814.665  115p  Tmz.VSOLJ
TmzV781        19941102.591  119p  Tmz.VSOLJ
TmzV781        19941223.404  119p  Tmz.VSOLJ
TmzV781        19950120.449  120p  Tmz.VSOLJ
TmzV781        19950917.551  110p  Tmz.VSOLJ
TmzV781        19951214.508  116p  Tmz.VSOLJ
TmzV781        19960811.742  114p  Tmz.VSOLJ
TmzV781        19970606.721  115p  Tmz.VSOLJ
TmzV781        19970613.719  117p  Tmz.VSOLJ
TmzV781        20001216.422  115p  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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