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[vsnet-obs 21984] New Takamizawa variable (TmzV494)

New Takamizawa variable (TmzV494)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV494).

TmzV494
= GSC6011.1614 083426.32 -163942.5 (2000.0) 14.89 0
= USNO0675.06671475 083426.306 -163942.52 (2000.0) 12.0 15.5
= IRAS08321-1629 083208.0 -162919 (1950.0)
    F12=1.44  F25=0.63  F60=0.40L F100=1.00L
    VAR=10 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
= 083425.9 -163940 (2000.0) LMS105 M7 >13.5
= 083426.0 -163940 (2000.0) IRAS08321-1629 1.501 0.607 0.400L 1.000L 10%
= 083426.0 -163940 (2000.0) SSC08321-1629 1.501 0.607 0.400L 1.000L
= 083426.6 -163943 (2000.0) FSC08321-1629 1.663 0.587 0.163L 0.716L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.9-14.3p.

object         YYMMDD(UT)   mag  code
TmzV494        941109.794  129p  Tmz.VSOLJ
TmzV494        950203.655  134p  Tmz.VSOLJ
TmzV494        960112.567  130p  Tmz.VSOLJ
TmzV494        971105.778  140p  Tmz.VSOLJ
TmzV494        980102.642  138p  Tmz.VSOLJ
TmzV494        980125.544  136p  Tmz.VSOLJ
TmzV494        980322.524  137p  Tmz.VSOLJ
TmzV494        980329.476  134p  Tmz.VSOLJ
TmzV494        981117.801  143p  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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