[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-newvar 266] New Takamizawa variable (TmzV715)

New Takamizawa variable (TmzV715)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV715).

TmzV715
= GSC3980.1227 215341.31 +591733.2 (2000.0) 11.30 6
= USNO1425.12608655 215341.354 +591733.26 (2000.0) 10.8 14.1
= IRAS21521+5903 215207.0 +590325 (1950.0)
    F12=1.32  F25=0.44  F60=0.44L F100=5.25L
    VAR= 4 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 215341.7 +591736 (2000.0) IRAS21521+5903 1.340 0.421 0.441L 5.204L 4%
= 215341.7 +591736 (2000.0) SSC21521+5903 1.340 0.421 0.441L 5.204L
= 215341.2 +591733 (2000.0) 1153 2.86 TYC2-3980.1227.1 (11.83 0.16) (15.20 0.75)

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.2-11.8p.

object         YYYYMMDD(UT)   mag  code
TmzV715        19940903.562  115p  Tmz.VSOLJ
TmzV715        19970824.567  116p  Tmz.VSOLJ
TmzV715        19970827.540  114p  Tmz.VSOLJ
TmzV715        19971218.437  116p  Tmz.VSOLJ
TmzV715        19980823.562  113p  Tmz.VSOLJ
TmzV715        19980916.530  118p  Tmz.VSOLJ
TmzV715        19990709.574  112p  Tmz.VSOLJ
TmzV715        19990807.594  112p  Tmz.VSOLJ
TmzV715        19991226.462  114p  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>

VSNET Home Page

Return to Daisaku Nogami

vsnet-adm@kusastro.kyoto-u.ac.jp