[vsnet-newvar 217] New Takamizawa variable (TmzV669)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV669)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV669).

TmzV669
= GSC4264.460 222129.21 +604312.2 (2000.0) 13.32 6
= USNO1500.09100730 222129.261 +604312.06 (2000.0) 11.9 18.0
= IRAS22197+6028 221945.3 +602800 (1950.0)
    F12=3.31  F25=1.90  F60=2.29  F100=9.12 
    VAR= 1 LRS=-1
    VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
= 222129.1 +604309 (2000.0) IRAS22197+6028 3.399 1.873 2.325 9.418 1%
= 222129.1 +604309 (2000.0) SSC22197+6028 3.399 1.873 2.325 9.418
= 222144.0 +604309 (2000.0) GCSS1296 - - 9.3 -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.1-13.8p.

object         YYYYMMDD(UT)   mag  code
TmzV669        19940903.562  137p  Tmz.VSOLJ
TmzV669        19970824.567  135p  Tmz.VSOLJ
TmzV669        19970827.540  133p  Tmz.VSOLJ
TmzV669        19971218.437  138p  Tmz.VSOLJ
TmzV669        19980823.562  135p  Tmz.VSOLJ
TmzV669        19980916.530  134p  Tmz.VSOLJ
TmzV669        19990709.574  132p  Tmz.VSOLJ
TmzV669        19990807.594  136p  Tmz.VSOLJ
TmzV669        19991226.462  131p  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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