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[vsnet-obs 19084] New Takamizawa variable (TmzV205)

New Takamizawa variable (TmzV205)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV205).

TmzV205
= GSC3327.1361 040434.02 +463640.2 (2000.0) 12.99 1
= USNO1350.04286910 040434.010 +463640.51 (2000.0) 12.3 16.6
= IRAS04009+4628 040058.6 +462830 (1950.0)
    F12=1.20  F25=0.63  F60=0.40L F100=2.29L
    VAR=59 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
= 040433.7 +463640 (2000.0) IRAS04009+4628 1.253 0.650 0.400L 2.382L 59%
= 040433.7 +463640 (2000.0) SSC04009+4628 1.253 0.650 0.400L 2.382L

  Takamizawa's comment:

  The star may be a semiregular variable  with  a renge of 13.0-13.9p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV205        940910.704  132p  Tmz.VSOLJ
TmzV205        941108.558  130p  Tmz.VSOLJ
TmzV205        941223.461  130p  Tmz.VSOLJ
TmzV205        950320.485  133p  Tmz.VSOLJ
TmzV205        950823.720  132p  Tmz.VSOLJ
TmzV205        951127.554  133p  Tmz.VSOLJ
TmzV205        961229.422  136p  Tmz.VSOLJ
TmzV205        970714.728  135p  Tmz.VSOLJ
TmzV205        970802.707  130p  Tmz.VSOLJ
TmzV205        971010.688  134p  Tmz.VSOLJ
TmzV205        971123.526  136p  Tmz.VSOLJ
TmzV205        971221.456  133p  Tmz.VSOLJ
TmzV205        980820.706  138p  Tmz.VSOLJ
TmzV205        990109.498  139p  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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