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

[vsnet-obs 24066] New Takamizawa variable (TmzV587) resend

New Takamizawa variable (TmzV587) resend

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV587).

TmzV587
= GSC4270.794 215524.92 +635321.8 (2000.0) 12.66 1 N
= USNO1500.08633390 215524.829 +635322.20 (2000.0) 12.1 15.8 *
= IRAS21540+6339 215401.8 +633901 (1950.0)
    F12=0.91  F25=0.33  F60=0.52L F100=22.90L
    VAR=51 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
= 215525.0 +635316 (2000.0) IRAS21540+6339 0.946 0.323 0.511L 22.000L 51%
= 215525.0 +635316 (2000.0) SSC21540+6339 0.946 0.323 0.511L 22.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-13.7p.

object         YYMMDD(UT)   mag  code
TmzV587        970827.540  130p  Tmz.VSOLJ
TmzV587        971218.437  132p  Tmz.VSOLJ
TmzV587        980823.563  134p  Tmz.VSOLJ
TmzV587        980916.530  137p  Tmz.VSOLJ
TmzV587        981107.440  130p  Tmz.VSOLJ
TmzV587        990709.574  134p  Tmz.VSOLJ
TmzV587        990807.594  135p  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