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[vsnet-obs 21986] New Takamizawa variable (TmzV496)

New Takamizawa variable (TmzV496)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV496).

TmzV496
= GSC6011.650 083540.63 -163540.7 (2000.0) 14.01 0
= USNO0675.06699088 083540.609 -163540.86 (2000.0) 11.8 15.8
= IRAS08333-1625 083322.6 -162515 (1950.0)
    F12=2.29  F25=1.00  F60=0.40L F100=1.00L
    VAR= 0 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 083540.2 -163538 (2000.0) FSC08333-1625 2.329 0.973 0.191 0.634L
= 083540.7 -163539 (2000.0) LMS106 M7 >13.5
= 083540.8 -163540 (2000.0) IRAS08333-1625 2.385 1.043 0.400L 1.000L 0%
= 083540.8 -163540 (2000.0) SSC08333-1625 2.385 1.043 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.8-11.8p.

object         YYMMDD(UT)   mag  code
TmzV496        941109.794  115p  Tmz.VSOLJ
TmzV496        950203.655  110p  Tmz.VSOLJ
TmzV496        960112.567  118p  Tmz.VSOLJ
TmzV496        971105.778  116p  Tmz.VSOLJ
TmzV496        980102.642  118p  Tmz.VSOLJ
TmzV496        980125.544  116p  Tmz.VSOLJ
TmzV496        980322.524  112p  Tmz.VSOLJ
TmzV496        980329.476  108p  Tmz.VSOLJ
TmzV496        981117.801  114p  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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