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[vsnet-obs 19749] New Takamizawa variable (TmzV265)

New Takamizawa variable (TmzV265)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV265).

TmzV265
= USNO0825.02419969 062521.598 -024637.07 (2000.0) 12.3 16.3
= IRAS06228-0244 062251.1 -024451 (1950.0)
    F12=5.75  F25=3.02  F60=0.52  F100=1.20L
    VAR=99 LRS=-1
    IIIa: variable star with more evolved O-rich c.s. shell
= 062521.5 -024636 (2000.0) IRAS06228-0244 5.542 3.069 0.519 1.229L 99%
= 062521.5 -024636 (2000.0) SSC06228-0244 5.542 3.069 0.519 1.229L

  Takamizawa's comment:

  The star is visible at mag. 17 on Real-Sky CD.
  The star may be a Mira-type variable with a range of 14.3-<15.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV265        940331.485  <150p  Tmz.VSOLJ
TmzV265        941127.622  <150p  Tmz.VSOLJ
TmzV265        950203.519  <150p  Tmz.VSOLJ
TmzV265        950219.449  <150p  Tmz.VSOLJ
TmzV265        950927.771  147p  Tmz.VSOLJ
TmzV265        951021.757  148p  Tmz.VSOLJ
TmzV265        951219.605  <150p  Tmz.VSOLJ
TmzV265        961016.753  144p  Tmz.VSOLJ
TmzV265        961206.602  149p  Tmz.VSOLJ
TmzV265        970901.800  <136p  Tmz.VSOLJ
TmzV265        971103.751  146p  Tmz.VSOLJ
TmzV265        971221.572  146p  Tmz.VSOLJ
TmzV265        980823.774  <146p  Tmz.VSOLJ
TmzV265        990206.492  143p  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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