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

[vsnet-obs 19455] New Takamizawa variable (TmzV250)

New Takamizawa variable (TmzV250)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV250).

TmzV250
= USNO1275.06259449 062119.540 +415759.52 (2000.0) 12.7 16.2
= IRAS06177+4159 061746.1 +415923 (1950.0)
    F12=0.69  F25=0.44  F60=0.40L F100=1.32L
    VAR=95 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
= 062119.2 +415759 (2000.0) FSC06177+4159 0.552 0.520 0.194L 0.920L
= 062119.6 +415757 (2000.0) IRAS06177+4159 0.679 0.421 0.400L 1.316L 95%
= 062119.6 +415757 (2000.0) SSC06177+4159 0.679 0.421 0.400L 1.316L

  Takamizawa's comment:

  The star may be a Mira-type variable  with  a range of 13.0-<15.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV250        950203.476  139p  Tmz.VSOLJ
TmzV250        951219.564  130p  Tmz.VSOLJ
TmzV250        970811.762  <146p  Tmz.VSOLJ
TmzV250        970901.754  <146p  Tmz.VSOLJ
TmzV250        971109.675  142p  Tmz.VSOLJ
TmzV250        980119.463  <150  Tmz.VSOLJ
TmzV250        980318.507  <146p  Tmz.VSOLJ
TmzV250        980820.749  134p  Tmz.VSOLJ
TmzV250        981218.631  <146p  Tmz.VSOLJ
TmzV250        990204.446  <150p  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