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[vsnet-obs 21769] New Takamizawa variable (TmzV441)

New Takamizawa variable (TmzV441)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV441).

TmzV441
= GSC7143.661 082445.85 -334513.1 (2000.0) 10.90 6 N
= USNO0525.07150888 082445.856 -334513.14 (2000.0) 10.9 99.9
= IRAS08228-3335 082248.8 -333528 (1950.0)
    F12=2.51  F25=0.83  F60=0.40L F100=1.58L
    VAR= 2 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 082446.4 -334516 (2000.0) IRAS08228-3335 2.602 0.808 0.400L 1.595L 2%
= 082446.4 -334516 (2000.0) SSC08228-3335 2.602 0.808 0.400L 1.595L
= 082446.6 -334506 (2000.0) CS2199 - 10.3 7.6 -
= 082448.0 -334359 (2000.0) C(Buscombe) V=10.3 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.3-12.8p.

object         YYMMDD(UT)   mag  code
TmzV441        950220.528  117p  Tmz.VSOLJ
TmzV441        951118.735  128p  Tmz.VSOLJ
TmzV441        951222.701  119p  Tmz.VSOLJ
TmzV441        960211.540  120p  Tmz.VSOLJ
TmzV441        961021.828  113p  Tmz.VSOLJ
TmzV441        970227.495  123p  Tmz.VSOLJ
TmzV441        971013.806  118p  Tmz.VSOLJ
TmzV441        971103.834  117p  Tmz.VSOLJ
TmzV441        971203.741  116p  Tmz.VSOLJ
TmzV441        971231.679  116p  Tmz.VSOLJ
TmzV441        980322.516  116p  Tmz.VSOLJ
TmzV441        981115.785  118p  Tmz.VSOLJ
TmzV441        990208.537  120p  Tmz.VSOLJ
TmzV441        990404.452  121p  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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