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Ursids Result (2016)

In 2016, clear strong activity was observed as same as 2014. The peak time was 10h30m(UT) on 22nd (Solar Longitude : 270°.78). The activity level was around 1.0 with FWHM -2.0hr / +4.0hr.

Activity Level (using worldwide data)

Observed Peaks

Time(UT) Solar Long. Activity Level
Dec. 22nd 10h 270°.779 1.03 ± 0.30

Estimated Compornents of Ursids activity

Comp.-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
URS16C01 Dec. 22nd 10h30m 270°.779 1.0 -2.0 / +4.0

Parameter

  • Radiant : α = 217°, δ = +76°
  • Radian Elevation : 25° < h < 70°
  • 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