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[vsnet-obs 21585] New Takamizawa variable (TmzV421)

New Takamizawa variable (TmzV421)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV421).

TmzV421
= USNO0600.06080894 082425.818 -242122.25 (2000.0) 12.3 15.5
= IRAS08222-2411 082216.8 -241138 (1950.0)
    F12=3.63  F25=1.58  F60=0.40L F100=1.00L
    VAR=92 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 082426.0 -242124 (2000.0) IRAS08222-2411 3.631 1.527 0.400L 1.000L 92%
= 082426.0 -242124 (2000.0) SSC08222-2411 3.631 1.527 0.400L 1.000L

  Takamizawa's comment:

  The star may be a Mira-type variable with a range of 11.2-14.8p.

object         YYMMDD(UT)   mag  code
TmzV421        941111.724  132p  Tmz.VSOLJ
TmzV421        950220.535  148p  Tmz.VSOLJ
TmzV421        951118.735  114p  Tmz.VSOLJ
TmzV421        951222.713  112p  Tmz.VSOLJ
TmzV421        960211.540  132p  Tmz.VSOLJ
TmzV421        961021.828  147p  Tmz.VSOLJ
TmzV421        961208.655  130p  Tmz.VSOLJ
TmzV421        970227.495  144p  Tmz.VSOLJ
TmzV421        971013.806  147p  Tmz.VSOLJ
TmzV421        971203.725  124p  Tmz.VSOLJ
TmzV421        971231.672  116p  Tmz.VSOLJ
TmzV421        981115.785  148p  Tmz.VSOLJ
TmzV421        990208.537  132p  Tmz.VSOLJ
TmzV421        990404.452  143p  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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