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[vsnet-obs 18498] New Takamizawa variable (TmzV122)



New Takamizawa variable (TmzV122)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV122).

TmzV122
= GSC3757.1910 053359.24 +575337.7 (2000.0) 13.64 1
= USNO1425.06193928 053359.216 +575337.78 (2000.0) 12.2 15.8
= IRAS05296+5751 052938.9 +575135 (1950.0)
    F12=0.76  F25=0.44  F60=0.40L F100=1.10L
    VAR=22 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
= 053358.1 +575337 (2000.0) IRAS05296+5751 0.736 0.441 0.400L 1.096L 22%
= 053358.1 +575337 (2000.0) SSC05296+5751 0.736 0.441 0.400L 1.096L
= 053359.0 +575338 (2000.0) FSC05296+5751 0.713 0.389 0.196L 1.519L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 13.2-14.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV122        941108.587  134p  Tmz.VSOLJ
TmzV122        941224.470  133p  Tmz.VSOLJ
TmzV122        950127.514  136p  Tmz.VSOLJ
TmzV122        951128.592  132p  Tmz.VSOLJ
TmzV122        971123.579  138p  Tmz.VSOLJ
TmzV122        971231.580  133p  Tmz.VSOLJ
TmzV122        980318.457  135p  Tmz.VSOLJ
TmzV122        980820.715  139p  Tmz.VSOLJ
TmzV122        981218.581  140p  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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