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

[vsnet-obs 19945] New Takamizawa variable (TmzV308)

New Takamizawa variable (TmzV308)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV308).

TmzV308
= USNO0750.04776753 073726.130 -130008.68 (2000.0) 12.7 17.0
= IRAS07351-1253 073507.0 -125324 (1950.0)
    F12=0.63  F25=0.33  F60=0.40L F100=1.44L
    VAR=21 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
= 073726.6 -130012 (2000.0) IRAS07351-1253 0.628 0.333 0.400L 1.410L 21%
= 073726.6 -130012 (2000.0) SSC07351-1253 0.628 0.333 0.400L 1.410L
= 073723.9 -125859 (2000.0) M8(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 14.3-15.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV308        940314.509  147p  Tmz.VSOLJ
TmzV308        941111.738  147p  Tmz.VSOLJ
TmzV308        950203.556  143p  Tmz.VSOLJ
TmzV308        951222.676  146p  Tmz.VSOLJ
TmzV308        960211.515  146p  Tmz.VSOLJ
TmzV308        961021.776  147p  Tmz.VSOLJ
TmzV308        961206.699  145p  Tmz.VSOLJ
TmzV308        970103.614  147p  Tmz.VSOLJ
TmzV308        970227.476  146p  Tmz.VSOLJ
TmzV308        971013.791  <146p  Tmz.VSOLJ
TmzV308        971103.794  147p  Tmz.VSOLJ
TmzV308        971204.703  147p  Tmz.VSOLJ
TmzV308        971224.641  148p  Tmz.VSOLJ
TmzV308        980121.556  149p  Tmz.VSOLJ
TmzV308        980325.461  152p  Tmz.VSOLJ
TmzV308        981115.744  151p  Tmz.VSOLJ
TmzV308        981212.657  152p  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