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Perseids Results(2010)

The peak time was around 8h - 12h on 13th(UT). The estimated profile shows that the peak time was 8h 13th(UT), λo140°.00. This is same as annual year. The maximum activity level was however weaker.

Activity Level (using worldwide data)

2010Perseids結果

Observed Peaks

Time(UT) Solar Long. Activity Level
Aug.12 19h 139°.837 1.36 ± 0.67
Aug.13 02h 140°.117 1.28 ± 0.60

Estimated Compornents of Perseid activity

Comp.No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
PER10C01 Aug.12 23h30m 140°.00 1.0 -10.0/+14.0

Parameter

  • Radiant : α = 46°.2, δ = +57°.4
  • Radian Elevation : 20° < h
  • Using data within ± 1.00 σ in all observed data.

Reference

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