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

[vsnet-newvar 247] New Takamizawa variable (TmzV699)

New Takamizawa variable (TmzV699)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV699).

TmzV699
= GSC3973.833 220024.38 +555240.8 (2000.0) 10.90 1
= USNO1425.12780581 220024.380 +555240.87 (2000.0) 10.9 99.9
= IRAS21586+5538 215839.8 +553809 (1950.0)
    F12=1.20  F25=0.36  F60=1.74L F100=19.05L
    VAR= 0 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
= 220024.2 +555235 (2000.0) IRAS21586+5538 1.254 0.368 1.746L 19.890L 0%
= 220024.2 +555235 (2000.0) SSC21586+5538 1.254 0.368 1.746L 19.890L
= 220024.2 +555240 (2000.0) 1152 1.60 TYC2-3973.833.1 (11.69 0.13) (13.58 0.37)
= 220028.5 +555450 (2000.0) DO40566

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.7-11.7p.

object         YYYYMMDD(UT)   mag  code
TmzV699        19940903.562  112p  Tmz.VSOLJ
TmzV699        19970824.567  110p  Tmz.VSOLJ
TmzV699        19970827.540  113p  Tmz.VSOLJ
TmzV699        19971218.437  114p  Tmz.VSOLJ
TmzV699        19980823.562  107p  Tmz.VSOLJ
TmzV699        19980916.530  110p  Tmz.VSOLJ
TmzV699        19990709.574  113p  Tmz.VSOLJ
TmzV699        19990807.594  111p  Tmz.VSOLJ
TmzV699        19991226.462  117p  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