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Geminids Result(2005)

In 2005, the peak level was same as 2003. The beginning of clear activity was seen around λo259°. FWHM and end of activity were same as annual year. The peak time was λo261°.7. This was earlier than annual visual observed peak that was λo=262°.2.

Activity Level (using worldwide data)

Geminids

Observed Peaks

Time(UT) Solar Long. Activity Level
Dec.13th 13h 261°.545 4.04 ± 1.98

Estimated Compornents of Geminid activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
GEM05C01 Dec.13 17h00m 261°.708 3.5 -28.0/+12.0

Parameter

  • Radiant : α = 112°.0, δ = +32°.0
  • Radian Elevation : 20° < h < 70°
  • Using data within ± 0.75 σ in all observed data.

Reference

  • Structure of meteor activity is estimated by "Lorentz profile".
  • Observed data provided by RMOJ and RMOB