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[vsnet-obs 23340] New Takamizawa variable (TmzV525)

New Takamizawa variable (TmzV525)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV525).

TmzV525
= GSC6594.2479 090943.65 -271531.9 (2000.0) 12.06 0
= GSC6594.2479 090943.75 -271532.0 (2000.0) 11.92 0
= USNO0600.07255731 090943.706 -271532.03 (2000.0) 12.0 99.9
= IRAS09075-2703 090733.2 -270318 (1950.0)
    F12=2.09  F25=1.00  F60=0.40L F100=1.20L
    VAR= 8 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 090942.3 -271512 (2000.0) CD-26.6785 9.9
= 090943.5 -271532 (2000.0) IRAS09075-2703 2.076 1.016 0.400L 1.199L 8%
= 090943.5 -271532 (2000.0) SSC09075-2703 2.076 1.016 0.400L 1.199L
= 090944.7 -271538 (2000.0) FSC09075-2703 2.083 1.071 0.332L 3.369L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.8-12.5p.

object         YYMMDD(UT)   mag  code
TmzV525        950222.514  120p  Tmz.VSOLJ
TmzV525        950401.496  118p  Tmz.VSOLJ
TmzV525        980102.696  123p  Tmz.VSOLJ
TmzV525        980325.505  124p  Tmz.VSOLJ
TmzV525        980417.480  125p  Tmz.VSOLJ
TmzV525        981117.801  118p  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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