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[vsnet-obs 23370] New Takamizawa variable (TmzV536)

New Takamizawa variable (TmzV536)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV536).

TmzV536
= GSC6035.910 090638.99 -191844.9 (2000.0) 15.49 0
= USNO0675.07175592 090638.991 -191845.18 (2000.0) 11.4 17.4
= IRAS09043-1906 090420.9 -190637 (1950.0)
    F12=0.58  F25=0.25L F60=0.40L F100=1.00L
    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
= 090638.5 -191842 (2000.0) IRAS09043-1906 0.559 0.250L 0.400L 1.000L -1%
= 090638.5 -191842 (2000.0) SSC09043-1906 0.559 0.250L 0.400L 1.000L
= 090638.9 -191843 (2000.0) FSC09043-1906 0.510 0.130 0.153L 0.989L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.7-14.8p.

object         YYMMDD(UT)   mag  code
TmzV536        941111.757  145p  Tmz.VSOLJ
TmzV536        950222.514  128p  Tmz.VSOLJ
TmzV536        950401.496  127p  Tmz.VSOLJ
TmzV536        980102.696  146p  Tmz.VSOLJ
TmzV536        980325.505  142p  Tmz.VSOLJ
TmzV536        981117.801  148p  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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