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Quadrantids Results(2013)

In 2013, observed data around peak time were not enough for calculation. The activity profile was estimated by single compornent. It was possible that the main activity was higher than estimated level.

Activity Level (using worldwide data)

Observed Peaks

Time(UT) Solar Long. Activity Level
Jan. 3 08h 282°.949 4.90 ± 0.60
Jan. 3 17h 283°.331 4.71 ± 0.34

Estimated Compornents of Quadrantid activity

Comp.No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
QUA13C01 Jan. 3 12h30m 283°.119 4.5 -7.0/+7.0

Parameter

  • Radiant : α = 230°.1, δ = +48°.5
  • Radian Elevation : 20° < h < 75°
  • Using data within ± 0.50 σ in all observed data.

Reference

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