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[vsnet-obs 23362] New Takamizawa variable (TmzV534)

New Takamizawa variable (TmzV534)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV534).

TmzV534
= GSC6028.658 091324.06 -150734.5 (2000.0) 12.36 0
= GSC6028.658 091324.09 -150735.0 (2000.0) 12.28 0
= USNO0675.07252672 091324.078 -150734.97 (2000.0) 11.0 13.1
= IRAS09110-1455 091101.9 -145506 (1950.0)
    F12=0.76  F25=0.19  F60=0.40L F100=1.00L
    VAR= 0 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 091323.6 -150731 (2000.0) IRAS09110-1455 0.783 0.189 0.400L 1.000L 0%
= 091323.6 -150731 (2000.0) SSC09110-1455 0.783 0.189 0.400L 1.000L
= 091324.6 -150736 (2000.0) FSC09110-1455 0.710 0.222 0.150L 0.583L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.5-12.1p.

object         YYMMDD(UT)   mag  code
TmzV534        941111.757  115p  Tmz.VSOLJ
TmzV534        950222.514  117p  Tmz.VSOLJ
TmzV534        950401.496  120p  Tmz.VSOLJ
TmzV534        980102.696  116p  Tmz.VSOLJ
TmzV534        980325.505  119p  Tmz.VSOLJ
TmzV534        981117.801  121p  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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