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[vsnet-newvar 249] New Takamizawa variable (TmzV701)

New Takamizawa variable (TmzV701)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV701).

TmzV701
= GSC3973.1924 220932.24 +553223.4 (2000.0) 13.07 1
= USNO1425.13036876 220932.262 +553224.06 (2000.0) 11.6 15.9
= IRAS22077+5517 220743.8 +551737 (1950.0)
    F12=0.52  F25=0.25L F60=0.40L F100=27.53L
    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
= 220932.2 +553222 (2000.0) IRAS22077+5517 0.533 0.250L 0.400L 28.060L -1%
= 220932.2 +553222 (2000.0) SSC22077+5517 0.533 0.250L 0.400L 28.060L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.6-13.8p.

object         YYYYMMDD(UT)   mag  code
TmzV701        19940903.562  138p  Tmz.VSOLJ
TmzV701        19970827.540  138p  Tmz.VSOLJ
TmzV701        19971218.437  133p  Tmz.VSOLJ
TmzV701        19980823.562  131p  Tmz.VSOLJ
TmzV701        19980916.530  135p  Tmz.VSOLJ
TmzV701        19990709.574  136p  Tmz.VSOLJ
TmzV701        19990807.594  136p  Tmz.VSOLJ
TmzV701        19991226.462  126p  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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