[vsnet-obs 23825] New Takamizawa variable (TmzV585)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV585)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV585).

TmzV585
= GSC4270.1848 214940.78 +644930.3 (2000.0) 11.70 1
= USNO1500.08522322 214940.785 +644930.53 (2000.0) 11.4 15.1 *
= IRAS21483+6435 214823.6 +643530 (1950.0)
    F12=0.58  F25=0.25L F60=0.40L F100=3.98L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or 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
= 214940.8 +644932 (2000.0) IRAS21483+6435 0.575 0.250L 0.400L 3.840L -1%
= 214940.8 +644932 (2000.0) SSC21483+6435 0.575 0.250L 0.400L 3.840L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.8-12.3p.

object         YYMMDD(UT)   mag  code
TmzV585        970827.540  123p  Tmz.VSOLJ
TmzV585        971218.437  123p  Tmz.VSOLJ
TmzV585        980823.563  120p  Tmz.VSOLJ
TmzV585        980916.530  123p  Tmz.VSOLJ
TmzV585        981107.440  123p  Tmz.VSOLJ
TmzV585        990709.574  122p  Tmz.VSOLJ
TmzV585        990807.594  118p  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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