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[vsnet-newvar 225] New Takamizawa variable (TmzV677)

New Takamizawa variable (TmzV677)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV677).

TmzV677
= GSC3995.763 223141.13 +590044.1 (2000.0) 11.23 6
= USNO1425.13717814 223141.069 +590043.57 (2000.0)  9.8 14.6
= IRAS22298+5845 222949.8 +584516 (1950.0)
    F12=1.10  F25=0.40  F60=3.02L F100=25.11L
    VAR= 2 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
= 223141.4 +590042 (2000.0) IRAS22298+5845 1.099 0.394 2.966L 24.310L 2%
= 223141.4 +590042 (2000.0) SSC22298+5845 1.099 0.394 2.966L 24.310L
= 223143.0 +590051 (2000.0) DO41525

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.3-12.1p.

object         YYYYMMDD(UT)   mag  code
TmzV677        19940903.562  115p  Tmz.VSOLJ
TmzV677        19970824.567  117p  Tmz.VSOLJ
TmzV677        19970827.540  116p  Tmz.VSOLJ
TmzV677        19971218.437  118p  Tmz.VSOLJ
TmzV677        19980823.562  114p  Tmz.VSOLJ
TmzV677        19980916.530  119p  Tmz.VSOLJ
TmzV677        19990709.574  121p  Tmz.VSOLJ
TmzV677        19990807.594  113p  Tmz.VSOLJ
TmzV677        19991226.462  114p  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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