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Quadrantids Results(2004)

In 2004, the main peak was seen around 283°.1 (03h - 05h 4th UT).

Activity Level (using worldwide data)

Observed Peaks

Time(UT) Solar Long. Activity Level
Jan. 4 03h 283°.044 6.71 ± 1.68
Jan. 4 05h 283°.126 6.74 ± 1.70

Estimated Compornents of Quadrantid activity

Comp.No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
QUA04C01 Jan. 2 22h30m 281°.811 0.5 -6.0/+6.0
QUA04C02 Jan. 3 23h00m 282°.871 2.0 -6.0/+6.0
QUA04C03 Jan. 4 05h00m 283°.126 5.5 -6.0/+6.0

Parameter

  • Radiant : α = 230°.1, δ = +48°.5
  • Radian Elevation : 15° < h < 80°
  • 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