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Quadrantids Results(2010)

In 2010, Quadrantid peak was seen around λo=283°.051 (19h 3rd UT). The activity level however was weaker than annual year such as 2007 and 2009. This activity profile was similar as 2008 .

Activity Level (using worldwide data)

Observed Peaks

Time(UT) Solar Long. Activity Level
Jan. 3 16h 283°.051 3.63 ± 0.83

Estimated Compornents of Quadrantid activity

Comp.-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
QUA10C01 Jan. 3 16h30m 283°.051 3.0 -3.0/+9.0

Parameter

  • Radiant : α = 230°.1, δ = +48°.5
  • 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