[vsnet-obs 23371] New Takamizawa variable (TmzV537)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV537)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV537).

TmzV537
= GSC6038.1078 093357.94 -195536.1 (2000.0) 13.60 0
= USNO0675.07454950 093357.941 -195536.02 (2000.0) 12.1 15.4
= IRAS09316-1942 093139.0 -194218 (1950.0)
    F12=0.83  F25=0.44  F60=0.40L F100=1.00L
    VAR= 3 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
= 093356.8 -195529 (2000.0) FSC09316-1942 0.841 0.407 0.175L 0.686L
= 093358.2 -195540 (2000.0) IRAS09316-1942 0.818 0.449 0.400L 1.000L 3%
= 093358.2 -195540 (2000.0) SSC09316-1942 0.818 0.449 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.7-13.8p.

object         YYMMDD(UT)   mag  code
TmzV537        941111.757  135p  Tmz.VSOLJ
TmzV537        950222.514  131p  Tmz.VSOLJ
TmzV537        950401.496  138p  Tmz.VSOLJ
TmzV537        980102.696  127p  Tmz.VSOLJ
TmzV537        980325.505  132p  Tmz.VSOLJ
TmzV537        981117.801  130p  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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