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[vsnet-obs 19121] New Takamizawa variable (TmzV215)

New Takamizawa variable (TmzV215)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV215).

TmzV215
03h57m21s.3 +40o02'45" (2000.0) Takamizawa's position
(no USNO counterpart)
= IRAS03539+3954 035358.6 +395407 (1950.0)
    F12=1.58  F25=0.83  F60=0.40L F100=8.31L
    VAR= 0 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 035720.2 +400244 (2000.0) IRAS03539+3954 1.648 0.833 0.400L 8.339L 0%
= 035720.2 +400244 (2000.0) SSC03539+3954 1.648 0.833 0.400L 8.339L
= 035721.4 +400246 (2000.0) FSC03539+3954 1.652 0.756 0.360L 3.465L

  Takamizawa's comment:

  The star is visible at mag.~18 on Real-Sky CD.
  The star may be a Mira-type variable  with  a renge of 13.6-<14.6p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV215        940810.714  <146p  Tmz.VSOLJ
TmzV215        940910.709  <146p  Tmz.VSOLJ
TmzV215        941108.558  136p  Tmz.VSOLJ
TmzV215        941223.461  146p  Tmz.VSOLJ
TmzV215        950320.485  <135p  Tmz.VSOLJ
TmzV215        950823.727  <140p  Tmz.VSOLJ
TmzV215        951127.562  <140p  Tmz.VSOLJ
TmzV215        960815.715  141p  Tmz.VSOLJ
TmzV215        961202.463  <146p  Tmz.VSOLJ
TmzV215        961229.422  <140p  Tmz.VSOLJ
TmzV215        970714.735  <135p  Tmz.VSOLJ
TmzV215        970802.723  <146p  Tmz.VSOLJ
TmzV215        971010.688  <140p  Tmz.VSOLJ
TmzV215        971123.534  <146p  Tmz.VSOLJ
TmzV215        981112.555  <140p  Tmz.VSOLJ
TmzV215        990109.506  <146p  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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