[vsnet-newvar 193] New Takamizawa variable (TmzV651)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV651)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV651).

TmzV651
= GSC3979.1603 214554.41 +590335.2 (2000.0) 11.86 6
= USNO1425.12436499 214554.434 +590335.53 (2000.0) 11.1 15.7
= IRAS21443+5849 214422.0 +584937 (1950.0)
    F12=1.00  F25=0.36  F60=1.74L F100=20.89L
    VAR=14 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
= 214554.1 +590330 (2000.0) IRAS21443+5849 0.991 0.365 1.658L 21.180L 14%
= 214554.1 +590330 (2000.0) SSC21443+5849 0.991 0.365 1.658L 21.180L
= 214554.1 +590336 (2000.0) CS5443 - 13.0 9.5 -
= 214553.9 +590300 (2000.0) C(Buscombe) V=13.0 B-V=3.1 -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.0-12.4p.

object         YYYYMMDD(UT)   mag  code
TmzV651        19940903.562  122p  Tmz.VSOLJ
TmzV651        19970824.567  121p  Tmz.VSOLJ
TmzV651        19970827.540  122p  Tmz.VSOLJ
TmzV651        19971218.437  124p  Tmz.VSOLJ
TmzV651        19980823.562  120p  Tmz.VSOLJ
TmzV651        19980916.530  121p  Tmz.VSOLJ
TmzV651        19990709.574  122p  Tmz.VSOLJ
TmzV651        19990807.594  120p  Tmz.VSOLJ
TmzV651        19991226.462  123p  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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