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[vsnet-obs 18819] New Takamizawa variable (TmzV150)

New Takamizawa variable (TmzV150)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV150).

TmzV150
= GSC2386.1166 044648.04 +355739.7 (2000.0) 12.55 1
= USNO1200.02520278 044648.050 +355739.72 (2000.0) 11.1 15.2
= IRAS04434+3552 044327.5 +355216 (1950.0)
    F12=0.44  F25=0.28L F60=0.40L F100=2.09L
    VAR=-1 LRS=-1
= 044647.0 +355737 (2000.0) IRAS04434+3552 0.435 0.285L 0.400L 2.173L -1%
= 044647.0 +355737 (2000.0) SSC04434+3552 0.435 0.285L 0.400L 2.173L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.5-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV150        940810.767  126p  Tmz.VSOLJ
TmzV150        941108.569  132p  Tmz.VSOLJ
TmzV150        941224.458  130p  Tmz.VSOLJ
TmzV150        950320.515  133p  Tmz.VSOLJ
TmzV150        960111.455  131p  Tmz.VSOLJ
TmzV150        960815.744  132p  Tmz.VSOLJ
TmzV150        970706.751  128p  Tmz.VSOLJ
TmzV150        970802.749  126p  Tmz.VSOLJ
TmzV150        971010.746  125p  Tmz.VSOLJ
TmzV150        971123.615  128p  Tmz.VSOLJ
TmzV150        971221.492  126p  Tmz.VSOLJ
TmzV150        980116.471  132p  Tmz.VSOLJ
TmzV150        980823.727  131p  Tmz.VSOLJ
TmzV150        981024.609  130p  Tmz.VSOLJ
TmzV150        981218.596  126p  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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