[vsnet-obs 23394] New Takamizawa variable (TmzV546)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV546)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV546).

TmzV546
= GSC4462.2655 213910.38 +681612.0 (2000.0) 12.41 1
= USNO1575.04811795 213910.380 +681611.98 (2000.0) 12.1 16.0
= IRAS21382+6802 213813.3 +680229 (1950.0)
    F12=0.63  F25=0.17  F60=0.48L F100=14.45L
    VAR=15 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 213910.5 +681607 (2000.0) FSC21382+6802 0.571 0.143 0.345L 13.570L
= 213910.6 +681606 (2000.0) IRAS21382+6802 0.625 0.171 0.463L 14.970L 15%
= 213910.6 +681606 (2000.0) SSC21382+6802 0.625 0.171 0.463L 14.970L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.5-13.0p.

object         YYMMDD(UT)   mag  code
TmzV546        970827.540  130p  Tmz.VSOLJ
TmzV546        971218.437  127p  Tmz.VSOLJ
TmzV546        980823.563  125p  Tmz.VSOLJ
TmzV546        980916.530  129p  Tmz.VSOLJ
TmzV546        981107.440  128p  Tmz.VSOLJ
TmzV546        990709.574  128p  Tmz.VSOLJ
TmzV546        990807.594  126p  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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