[vsnet-newvar 194] New Takamizawa variable (TmzV652)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV652)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV652).

TmzV652
= GSC3979.1508 214629.37 +590120.1 (2000.0) 13.66 6
= USNO1425.12450182 214629.416 +590120.16 (2000.0) 12.8 17.2
= IRAS21449+5847 214456.7 +584722 (1950.0)
    F12=1.10  F25=0.28  F60=1.58L F100=19.05L
    VAR=10 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 214629.1 +590116 (2000.0) IRAS21449+5847 1.091 0.282 1.653L 19.910L 10%
= 214629.1 +590116 (2000.0) SSC21449+5847 1.091 0.282 1.653L 19.910L
= 214629.3 +590120 (2000.0) CS5449 - - 10.8 -
= 214630.0 +590059 (2000.0) C(Buscombe) V=7.1 B-V=1.95 -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.3-14.3p.

object         YYYYMMDD(UT)   mag  code
TmzV652        19940903.562  133p  Tmz.VSOLJ
TmzV652        19970824.567  138p  Tmz.VSOLJ
TmzV652        19970827.540  139p  Tmz.VSOLJ
TmzV652        19971218.437  143p  Tmz.VSOLJ
TmzV652        19980823.562  138p  Tmz.VSOLJ
TmzV652        19980916.530  135p  Tmz.VSOLJ
TmzV652        19990709.574  138p  Tmz.VSOLJ
TmzV652        19990807.594  140p  Tmz.VSOLJ
TmzV652        19991226.462  138p  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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