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Perseids Results(2014)

2014 Perseids showed higher activity than annual year. The peak time with λo139°.93 was earlier than annual year, although observed peak time was around λo140°.0.

Activity Level (using worldwide data)

2014Perseids結果

Observed Peaks

Time(UT) Solar Long. Activity Level
Aug.12 20h 139°.851 2.10 ± 0.37
Aug.13 01h 140°.051 2.12 ± 0.37

Estimated Compornents of Perseid activity

Comp.No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
PER14C01 Aug.12 22h30m 139°.931 2.0 -12.0/+18.0

Parameter

  • Radiant : α = 46°.2, δ = +57°.4
  • Radian Elevation : 25° < h
  • Using data within ± 0.70 σ in all observed data.

Reference

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