[vsnet-obs 23360] New Takamizawa variable (TmzV532)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV532)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV532).

TmzV532
= GSC6042.824 092936.81 -220521.9 (2000.0) 11.92 0
= GSC6042.824 092936.84 -220522.2 (2000.0) 11.53 0
= USNO0675.07414584 092936.846 -220522.32 (2000.0)  9.3 11.7
= IRAS09273-2152 092719.1 -215207 (1950.0)
    F12=0.76  F25=0.30L 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
= 092935.9 -220515 (2000.0) CPD-21.4342 10.3
= 092936.6 -220532 (2000.0) SD-21.2816 9.7
= 092935.8 -220517 (2000.0) FSC09273-2152 0.748 0.178 0.096L 0.427L
= 092936.2 -220517 (2000.0) IRAS09273-2152 0.785 0.307L 0.400L 1.000L -1%
= 092936.2 -220517 (2000.0) SSC09273-2152 0.785 0.307L 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.9-11.6p.

object         YYMMDD(UT)   mag  code
TmzV532        950222.514  115p  Tmz.VSOLJ
TmzV532        950401.496  111p  Tmz.VSOLJ
TmzV532        980102.696  110p  Tmz.VSOLJ
TmzV532        980325.505  116p  Tmz.VSOLJ
TmzV532        980417.480  109p  Tmz.VSOLJ
TmzV532        981117.801  115p  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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