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[vsnet-newvar 250] New Takamizawa variable (TmzV702)

New Takamizawa variable (TmzV702)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV702).

TmzV702
= GSC3973.2116 221229.83 +554502.3 (2000.0) 12.31 1
= USNO1425.13129031 221229.884 +554502.64 (2000.0) 11.0 18.1
= IRAS22106+5530 221040.7 +553008 (1950.0)
    F12=2.75  F25=0.91  F60=1.00L F100=4.78 
    VAR=13 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 221229.7 +554458 (2000.0) CS5601 - 12.0 9.4 -
= 221229.8 +554459 (2000.0) IRAS22106+5530 2.816 0.933 1.005L 4.863 13%
= 221229.8 +554459 (2000.0) SSC22106+5530 2.816 0.933 1.005L 4.863
= 221230.0 +554359 (2000.0) C(Buscombe) V=12.0 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.7p.

object         YYYYMMDD(UT)   mag  code
TmzV702        19940903.562  128p  Tmz.VSOLJ
TmzV702        19970824.567  130p  Tmz.VSOLJ
TmzV702        19970827.540  130p  Tmz.VSOLJ
TmzV702        19971218.437  136p  Tmz.VSOLJ
TmzV702        19980823.562  135p  Tmz.VSOLJ
TmzV702        19980916.530  137p  Tmz.VSOLJ
TmzV702        19990709.574  129p  Tmz.VSOLJ
TmzV702        19990807.594  132p  Tmz.VSOLJ
TmzV702        19991226.462  132p  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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