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[vsnet-obs 21840] New Takamizawa variable (TmzV465)

New Takamizawa variable (TmzV465)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV465).

TmzV465
= GSC6566.1924 075724.15 -285738.5 (2000.0) 13.22 6
= USNO0600.04873645 075724.153 -285738.18 (2000.0) 13.7 20.0
= IRAS07553-2849 075521.7 -284927 (1950.0)
    F12=1.32  F25=0.63  F60=0.40L F100=10.00L
    VAR=29 LRS=-1
 possibly 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
= 075723.1 -285734 (2000.0) IRAS07553-2849 1.353 0.625 0.400L 9.965L 29%
= 075723.1 -285734 (2000.0) SSC07553-2849 1.353 0.625 0.400L 9.965L
= 075717.9 -285700 (2000.0) M9(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a Mira-type variable with a range of 13.6-<14.5p.

object         YYMMDD(UT)   mag  code
TmzV465        941111.724  <143p  Tmz.VSOLJ
TmzV465        950220.528  <143p  Tmz.VSOLJ
TmzV465        951118.735  <143p  Tmz.VSOLJ
TmzV465        951222.701  <143p  Tmz.VSOLJ
TmzV465        960211.540  143p  Tmz.VSOLJ
TmzV465        961021.828  140p  Tmz.VSOLJ
TmzV465        970227.495  138p  Tmz.VSOLJ
TmzV465        971013.806  142p  Tmz.VSOLJ
TmzV465        971103.834  <145p  Tmz.VSOLJ
TmzV465        971203.741  <143p  Tmz.VSOLJ
TmzV465        971231.679  138p  Tmz.VSOLJ
TmzV465        980322.516  <140p  Tmz.VSOLJ
TmzV465        981115.785  138p  Tmz.VSOLJ
TmzV465        990208.537  140p  Tmz.VSOLJ
TmzV465        990404.452  136p  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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