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Geminids Result(2004)

In 2004, the peak level was same as annual year. The increase of Geminid activity was seen around λo259°.5.The peak was around λo262°.2. After that, the end of it was around λo263°.5.

Activity Level (using worldwide data)

Geminids

Observed Peaks

Time(UT) Solar Long. Activity Level
Dec.13th 21h 262°142 3.47 ± 0.74

Estimated Compornents of Geminid activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
GEM04C01 Dec.13 20h00m 262°102 3.0 -30.0/+9.0

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