[vsnet-obs 23824] New Takamizawa variable (TmzV584)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV584)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV584).

TmzV584
= GSC4270.1989 215304.86 +650210.8 (2000.0) 13.98 1
= IRAS21517+6447 215146.8 +644756 (1950.0)
    F12=0.69  F25=0.33  F60=0.63  F100=8.31L
    VAR=48 LRS=-1
    VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 215305.0 +650206 (2000.0) IRAS21517+6447 0.678 0.333 0.651 8.031L 48%
= 215305.0 +650206 (2000.0) SSC21517+6447 0.678 0.333 0.651 8.031L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 14.3-14.9p.

object         YYMMDD(UT)   mag  code
TmzV584        970827.540  147p  Tmz.VSOLJ
TmzV584        971218.437  145p  Tmz.VSOLJ
TmzV584        980823.563  144p  Tmz.VSOLJ
TmzV584        980916.530  145p  Tmz.VSOLJ
TmzV584        981107.440  143p  Tmz.VSOLJ
TmzV584        990709.574  147p  Tmz.VSOLJ
TmzV584        990807.594  149p  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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