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[vsnet-obs 21348] New Takamizawa variable (TmzV397)

New Takamizawa variable (TmzV397)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV397).

TmzV397
= GSC5436.2343 082729.86 -124326.9 (2000.0) 13.18 0
= GSC5436.2343 082729.87 -124326.9 (2000.0) 13.15 0
= USNO0750.06228749 082729.853 -124327.08 (2000.0) 10.1 14.1
= IRAS08251-1233 082508.0 -123330 (1950.0)
    F12=1.32  F25=0.52  F60=0.40L F100=1.32L
    VAR=14 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
= 082729.6 -124327 (2000.0) IRAS08251-1233 1.375 0.519 0.400L 1.285L 14%
= 082729.6 -124327 (2000.0) SSC08251-1233 1.375 0.519 0.400L 1.285L
= 082730.4 -124329 (2000.0) FSC08251-1233 1.347 0.448 0.298L 2.196L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.0-13.5p.

object         YYMMDD(UT)   mag  code
TmzV397        940505.456  127p  Tmz.VSOLJ
TmzV397        941111.717  132p  Tmz.VSOLJ
TmzV397        950220.543  128p  Tmz.VSOLJ
TmzV397        951222.721  122p  Tmz.VSOLJ
TmzV397        960211.531  126p  Tmz.VSOLJ
TmzV397        961208.645  126p  Tmz.VSOLJ
TmzV397        971013.813  135p  Tmz.VSOLJ
TmzV397        971203.733  120p  Tmz.VSOLJ
TmzV397        971231.663  124p  Tmz.VSOLJ
TmzV397        981115.792  123p  Tmz.VSOLJ
TmzV397        981117.735  121p  Tmz.VSOLJ
TmzV397        990208.547  135p  Tmz.VSOLJ
TmzV397        990404.460  134p  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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