[vsnet-newvar 186] New Takamizawa variable (TmzV646)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV646)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV646).

TmzV646
= GSC4262.1660 215906.15 +604053.5 (2000.0) 12.49 6
= USNO1500.08707118 215906.118 +604053.60 (2000.0) 12.6 13.5
= IRAS21575+6026 215732.6 +602626 (1950.0)
    F12=0.63  F25=1.20  F60=1.00  F100=4.36L
    VAR= 4 LRS=-1
    IV: variable star with very thick O-rich circumstellar shell
= 215906.3 +604050 (2000.0) IRAS21575+6026 0.661 1.243 0.988 4.406L 4%
= 215906.3 +604050 (2000.0) SSC21575+6026 0.661 1.243 0.988 4.406L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.1-12.6p.

object         YYYYMMDD(UT)   mag  code
TmzV646        19940903.562  121p  Tmz.VSOLJ
TmzV646        19970824.567  124p  Tmz.VSOLJ
TmzV646        19970827.540  125p  Tmz.VSOLJ
TmzV646        19971218.437  121p  Tmz.VSOLJ
TmzV646        19980823.562  123p  Tmz.VSOLJ
TmzV646        19980916.530  123p  Tmz.VSOLJ
TmzV646        19990709.574  122p  Tmz.VSOLJ
TmzV646        19990807.594  123p  Tmz.VSOLJ
TmzV646        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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