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[vsnet-obs 23342] New Takamizawa variable (TmzV526)

New Takamizawa variable (TmzV526)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV526).

TmzV526
= GSC6594.840 090734.42 -273107.0 (2000.0) 10.87 0
= GSC6594.840 090734.48 -273106.9 (2000.0) 11.13 0
= USNO0600.07224169 090734.447 -273107.61 (2000.0)  9.3 11.5
= IRAS09054-2719 090524.9 -271901 (1950.0)
    F12=3.63  F25=1.74  F60=0.52L F100=1.10L
    VAR=52 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 090734.4 -273114 (2000.0) CPD-27.3632 9.9
= 090735.3 -273102 (2000.0) CD-27.6270 9.2
= 090733.4 -273102 (2000.0) FSC09053-2718 3.493 1.874 0.217 1.171L
= 090734.3 -273106 (2000.0) SAO176990 99.9 9.3 K0
= 090734.7 -273109 (2000.0) IRAS09054-2719 3.760 1.748 0.509L 1.102L 52%
= 090734.7 -273109 (2000.0) SSC09054-2719 3.760 1.748 0.509L 1.102L
= 090734.4 -273106 (2000.0) 995 1.07 TYC6594.840.1 plx=0.4(25.2) (0.03 0.06)

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.0-10.6p.

object         YYMMDD(UT)   mag  code
TmzV526        950222.514  101p  Tmz.VSOLJ
TmzV526        950401.496  104p  Tmz.VSOLJ
TmzV526        980102.696  104p  Tmz.VSOLJ
TmzV526        980325.505  106p  Tmz.VSOLJ
TmzV526        980417.480  101p  Tmz.VSOLJ
TmzV526        981117.801  100p  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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