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

[vsnet-obs 23806] New Takamizawa variable (TmzV580)

New Takamizawa variable (TmzV580)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV580).

TmzV580
= GSC4253.488 213723.09 +631120.4 (2000.0) 14.30 1
= USNO1500.08282246 213723.122 +631121.08 (2000.0) 12.3 17.4
= IRAS21361+6257 213606.4 +625750 (1950.0)
    F12=0.63  F25=0.30L F60=0.40L F100=15.84L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or 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
= 213723.1 +631122 (2000.0) IRAS21361+6257 0.618 0.299L 0.400L 15.340L -1%
= 213723.1 +631122 (2000.0) SSC21361+6257 0.618 0.299L 0.400L 15.340L
= 213723.7 +631120 (2000.0) CS5392 - - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.7-14.2p.

object         YYMMDD(UT)   mag  code
TmzV580        970827.540  130p  Tmz.VSOLJ
TmzV580        971218.437  142p  Tmz.VSOLJ
TmzV580        980823.563  128p  Tmz.VSOLJ
TmzV580        980916.530  127p  Tmz.VSOLJ
TmzV580        981107.440  140p  Tmz.VSOLJ
TmzV580        990709.574  128p  Tmz.VSOLJ
TmzV580        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