[vsnet-obs 23343] New Takamizawa variable (TmzV527)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV527)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV527).

TmzV527
= GSC6594.2376 090710.23 -271650.4 (2000.0) 12.63 0 N
= GSC6594.2376 090710.33 -271650.2 (2000.0) 12.90 0
= USNO0600.07218173 090710.304 -271650.42 (2000.0) 10.9 13.6
= IRAS09049-2704 090459.7 -270439 (1950.0)
    F12=0.63  F25=0.33  F60=0.40L F100=1.20L
    VAR=45 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 090709.7 -271646 (2000.0) IRAS09049-2704 0.624 0.340 0.400L 1.242L 45%
= 090709.7 -271646 (2000.0) SSC09049-2704 0.624 0.340 0.400L 1.242L
= 090711.6 -271659 (2000.0) FSC09050-2704 0.627 0.202 0.245L 1.844L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.9-13.0p.

object         YYMMDD(UT)   mag  code
TmzV527        950222.514  122p  Tmz.VSOLJ
TmzV527        950401.496  120p  Tmz.VSOLJ
TmzV527        980102.696  121p  Tmz.VSOLJ
TmzV527        980325.505  123p  Tmz.VSOLJ
TmzV527        980417.480  130p  Tmz.VSOLJ
TmzV527        981117.801  119p  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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