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[vsnet-obs 19450] New Takamizawa variable (TmzV246)

New Takamizawa variable (TmzV246)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV246).

TmzV246
= GSC3382.157 060909.94 +501727.4 (2000.0) 11.36 1
= GSC3382.157 060910.14 +501726.8 (2000.0) 12.00 6
= USNO1350.06609241 060910.036 +501727.12 (2000.0) 11.0 14.3
= IRAS06052+5017 060515.6 +501756 (1950.0)
    F12=0.83  F25=0.48  F60=0.69L F100=1.00L
    VAR=11 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
= 060909.6 +501724 (2000.0) IRAS06052+5017 0.812 0.476 0.677L 1.000L 11%
= 060909.6 +501724 (2000.0) SSC06052+5017 0.812 0.476 0.677L 1.000L
= 060910.2 +501728 (2000.0) FSC06052+5018 0.810 0.427 0.248L 1.229L

  Takamizawa's comment:

  The star may be an irregular variable  with  a range of 11.8-12.3p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV246        950127.530  121p  Tmz.VSOLJ
TmzV246        950203.476  122p  Tmz.VSOLJ
TmzV246        951217.537  122p  Tmz.VSOLJ
TmzV246        951219.564  121p  Tmz.VSOLJ
TmzV246        961015.749  119p  Tmz.VSOLJ
TmzV246        970811.728  121p  Tmz.VSOLJ
TmzV246        971109.675  122p  Tmz.VSOLJ
TmzV246        971124.546  121p  Tmz.VSOLJ
TmzV246        971221.508  121p  Tmz.VSOLJ
TmzV246        980119.463  119p  Tmz.VSOLJ
TmzV246        980302.440  118p  Tmz.VSOLJ
TmzV246        980916.721  120p  Tmz.VSOLJ
TmzV246        981024.647  122p  Tmz.VSOLJ
TmzV246        981218.631  120p  Tmz.VSOLJ
TmzV246        990111.547  120p  Tmz.VSOLJ
TmzV246        990204.446  123p  Tmz.VSOLJ

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