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[vsnet-obs 18728] New Takamizawa variable (TmzV132)

New Takamizawa variable (TmzV132)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV132).

TmzV132
= GSC2396.1097 045947.31 +350302.1 (2000.0) 12.68 1
= USNO1200.02721255 045947.324 +350302.18 (2000.0) 11.7 16.1
= IRAS04564+3458 045628.5 +345835 (1950.0)
    F12=4.78  F25=3.02  F60=0.76  F100=6.92L
    VAR=12 LRS=-1
    VII: variable star with more evolved C-rich circumstellar shell
= 045947.2 +350302 (2000.0) IRAS04564+3458 4.597 3.059 0.780 6.985L 12%
= 045947.2 +350302 (2000.0) SSC04564+3458 4.597 3.059 0.780 6.985L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-14.1p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV132        940302.540  138p  Tmz.VSOLJ
TmzV132        940810.775  135p  Tmz.VSOLJ
TmzV132        941108.597  129p  Tmz.VSOLJ
TmzV132        941224.488  130p  Tmz.VSOLJ
TmzV132        950320.515  135p  Tmz.VSOLJ
TmzV132        950823.769  136p  Tmz.VSOLJ
TmzV132        951128.608  140p  Tmz.VSOLJ
TmzV132        960109.422  139p  Tmz.VSOLJ
TmzV132        960922.747  129p  Tmz.VSOLJ
TmzV132        961015.731  129p  Tmz.VSOLJ
TmzV132        961203.547  141p  Tmz.VSOLJ
TmzV132        970802.749  133p  Tmz.VSOLJ
TmzV132        971123.615  129p  Tmz.VSOLJ
TmzV132        980318.465  135p  Tmz.VSOLJ
TmzV132        980820.731  128p  Tmz.VSOLJ
TmzV132        981024.609  135p  Tmz.VSOLJ
TmzV132        981218.596  136p  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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