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[vsnet-obs 23096] New Takamizawa variable (TmzV508)

New Takamizawa variable (TmzV508)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV508).

TmzV508
= GSC6023.1261 083432.96 -214534.2 (2000.0) 13.10 0
= GSC6023.1261 083433.01 -214535.1 (2000.0) 14.18 0
= USNO0675.06673958 083432.978 -214534.52 (2000.0) 11.4 15.0
= IRAS08323-2135 083220.6 -213517 (1950.0)
    F12=2.09  F25=0.83  F60=0.40L F100=1.00L
    VAR= 9 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
= 083432.5 -214533 (2000.0) FSC08323-2135 1.999 0.840 0.173L 0.832L
= 083433.4 -214538 (2000.0) IRAS08323-2135 2.041 0.859 0.400L 1.000L 9%
= 083433.4 -214538 (2000.0) SSC08323-2135 2.041 0.859 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-14.1p.

object         YYMMDD(UT)   mag  code
TmzV508        941109.794  140p  Tmz.VSOLJ
TmzV508        950203.655  137p  Tmz.VSOLJ
TmzV508        971105.779  141p  Tmz.VSOLJ
TmzV508        980102.642  136p  Tmz.VSOLJ
TmzV508        980322.524  130p  Tmz.VSOLJ
TmzV508        981117.792  138p  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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