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[vsnet-obs 18602] New Takamizawa variable (TmzV128)

New Takamizawa variable (TmzV128)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV128).

TmzV128
= USNO1350.05828925 052229.068 +470257.03 (2000.0) 13.5 19.0
= IRAS05187+4700 051844.9 +470008 (1950.0)
    F12=17.37  F25=7.58  F60=1.20  F100=1.44L
    VAR=98 LRS=13
    blue featureless, spec.index=1.5
    II: variable star with 'young' O-rich circumstellar shell
= 052229.2 +470259 (2000.0) IRAS05187+4700 17.310 7.257 1.150 1.421L 98% 2(LRS)
= 052229.2 +470259 (2000.0) SSC05187+4700 17.310 7.257 1.150 1.421L

  Takamizawa's comment:

  The star may be a Mira-type classification with a range of 13.4-<15.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV128        941108.597  <150p  Tmz.VSOLJ
TmzV128        941224.488  <146p  Tmz.VSOLJ
TmzV128        950320.522  <150p  Tmz.VSOLJ
TmzV128        951128.600  150p  Tmz.VSOLJ
TmzV128        960109.415  <146p  Tmz.VSOLJ
TmzV128        960922.738  135p  Tmz.VSOLJ
TmzV128        961015.740  139p  Tmz.VSOLJ
TmzV128        970802.740  <141p  Tmz.VSOLJ
TmzV128        971123.606  133p  Tmz.VSOLJ
TmzV128        980318.465  144p  Tmz.VSOLJ
TmzV128        980820.722  <146p  Tmz.VSOLJ
TmzV128        981024.601  138p  Tmz.VSOLJ
TmzV128        981218.588  134p  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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