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[vsnet-obs 18262] New Takamizawa variable (TmzV107)

New Takamizawa variable (TmzV107)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV107).

TmzV107
= USNO0750.02503374 063927.188 -081411.39 (2000.0) 12.7 20.1
= IRAS06370-0811 063701.9 -081122 (1950.0)
    F12=0.44  F25=0.33L F60=0.40L F100=1.20L
    VAR=-1 LRS=-1
= 063926.0 -081408 (2000.0) IRAS06370-0811 0.452 0.344L 0.400L 1.235L -1%
= 063926.0 -081408 (2000.0) SSC06370-0811 0.452 0.344L 0.400L 1.235L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 14.4-<15.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV107        940314.488  148p  Tmz.VSOLJ
TmzV107        940402.451  <150p  Tmz.VSOLJ
TmzV107        941203.720  149p  Tmz.VSOLJ
TmzV107        950210.798  147p  Tmz.VSOLJ
TmzV107        951118.753  147p  Tmz.VSOLJ
TmzV107        951219.615  145p  Tmz.VSOLJ
TmzV107        960211.504  147p  Tmz.VSOLJ
TmzV107        961021.752  146p  Tmz.VSOLJ
TmzV107        961206.651  149p  Tmz.VSOLJ
TmzV107        970103.604  148p  Tmz.VSOLJ
TmzV107        970127.474  146p  Tmz.VSOLJ
TmzV107        971203.670  148p  Tmz.VSOLJ
TmzV107        971224.623  148p  Tmz.VSOLJ
TmzV107        980119.507  149p  Tmz.VSOLJ
TmzV107        980217.485  148p  Tmz.VSOLJ
TmzV107        980318.512  145p  Tmz.VSOLJ
TmzV107        981115.721  144p  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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