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Perseids Results(2017)


2017 Perseids showed an annual activity level without outburst. Although higher activities were seen from 2014 to 2016, 2017 Perseids came back to 2013 actiity level.

Activity Level (using worldwide data)

2017Perseids

Observed Peaks

Time(UT) Solar Long. Activity Level
Aug.12 17h 139°.949 1.74 ± 0.69

Estimated Compornents of Perseid activity

Comp.No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
PER17C01 Aug.12 16h30m 139°.909 1.5 -13.0/+18.0

Parameter

  • Radiant : α = 46°.2, δ = +57°.4
  • Radian Elevation : 20° < h
  • 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