[vsnet-obs 21612] New Takamizawa variable (TmzV423)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV423)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV423).

TmzV423
= GSC6559.1738 080839.55 -254322.2 (2000.0) 12.50 0
= USNO0600.05412993 080839.570 -254322.50 (2000.0)  9.6 13.4
= IRAS08065-2534 080633.0 -253434 (1950.0)
    F12=0.63  F25=0.25L F60=0.40L F100=1.00L
    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
= 080840.2 -254337 (2000.0) CD-25.5631 10.0
= 080837.4 -254255 (2000.0) GCSS468 - 10.5 - -
= 080839.4 -254323 (2000.0) IRAS08065-2534 0.619 0.250L 0.400L 1.000L -1%
= 080839.4 -254323 (2000.0) SSC08065-2534 0.619 0.250L 0.400L 1.000L
= 080835.9 -254159 (2000.0) S2*4(Buscombe) V=10.5 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.4-12.4p.

object         YYMMDD(UT)   mag  code
TmzV423        941111.724  117p  Tmz.VSOLJ
TmzV423        950220.535  121p  Tmz.VSOLJ
TmzV423        951118.735  124p  Tmz.VSOLJ
TmzV423        951222.713  114p  Tmz.VSOLJ
TmzV423        960211.540  121p  Tmz.VSOLJ
TmzV423        961021.828  120p  Tmz.VSOLJ
TmzV423        961208.655  118p  Tmz.VSOLJ
TmzV423        970227.495  116p  Tmz.VSOLJ
TmzV423        971013.806  117p  Tmz.VSOLJ
TmzV423        971203.725  117p  Tmz.VSOLJ
TmzV423        971231.672  119p  Tmz.VSOLJ
TmzV423        981115.785  124p  Tmz.VSOLJ
TmzV423        990208.537  117p  Tmz.VSOLJ
TmzV423        990404.452  118p  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