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[vsnet-obs 21351] New Takamizawa variable (TmzV400)

New Takamizawa variable (TmzV400)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV400).

TmzV400
= GSC5426.2334 081404.74 -083824.1 (2000.0) 13.22 0
= GSC5426.2334 081404.76 -083825.0 (2000.0) 13.72 0
= USNO0750.05960649 081404.758 -083824.64 (2000.0) 11.2 14.5
= IRAS08116-0829 081139.3 -082916 (1950.0)
    F12=1.90  F25=0.83  F60=0.40L F100=3.63L
    VAR= 8 LRS=-1
 possibly II: variable star with 'young' O-rich 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
= 081403.8 -083821 (2000.0) FSC08116-0829 1.905 0.845 0.296L 5.978L
= 081404.5 -083824 (2000.0) IRAS08116-0829 1.939 0.848 0.400L 3.670L 8%
= 081404.5 -083824 (2000.0) SSC08116-0829 1.939 0.848 0.400L 3.670L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.8p.

object         YYMMDD(UT)   mag  code
TmzV400        940505.456  135p  Tmz.VSOLJ
TmzV400        941111.717  133p  Tmz.VSOLJ
TmzV400        950220.543  128p  Tmz.VSOLJ
TmzV400        951222.721  128p  Tmz.VSOLJ
TmzV400        960211.531  130p  Tmz.VSOLJ
TmzV400        961208.645  128p  Tmz.VSOLJ
TmzV400        970227.504  131p  Tmz.VSOLJ
TmzV400        971013.813  128p  Tmz.VSOLJ
TmzV400        971203.733  133p  Tmz.VSOLJ
TmzV400        971231.663  131p  Tmz.VSOLJ
TmzV400        981115.792  127p  Tmz.VSOLJ
TmzV400        981117.735  138p  Tmz.VSOLJ
TmzV400        990208.547  130p  Tmz.VSOLJ
TmzV400        990404.460  135p  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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