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[vsnet-obs 21441] New Takamizawa variable (TmzV407)

New Takamizawa variable (TmzV407)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV407).

TmzV407
= GSC6009.5413 082334.58 -213144.4 (2000.0) 13.62 0
= USNO0675.06398349 082334.543 -213144.53 (2000.0) 11.5 14.0
= IRAS08213-2122 082121.9 -212200 (1950.0)
    F12=1.32  F25=0.69  F60=0.40L F100=1.00L
    VAR= 2 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 082334.2 -213143 (2000.0) IRAS08213-2122 1.283 0.673 0.400L 1.000L 2%
= 082334.2 -213143 (2000.0) SSC08213-2122 1.283 0.673 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.5-13.2p.

object         YYMMDD(UT)   mag  code
TmzV407        941111.717  127p  Tmz.VSOLJ
TmzV407        950220.535  131p  Tmz.VSOLJ
TmzV407        951222.713  130p  Tmz.VSOLJ
TmzV407        960211.531  125p  Tmz.VSOLJ
TmzV407        970227.504  125p  Tmz.VSOLJ
TmzV407        971013.813  130p  Tmz.VSOLJ
TmzV407        971203.725  131p  Tmz.VSOLJ
TmzV407        971231.672  129p  Tmz.VSOLJ
TmzV407        981115.792  130p  Tmz.VSOLJ
TmzV407        990208.547  132p  Tmz.VSOLJ
TmzV407        990404.460  128p  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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