HOME > Results > Perseids > Results(2001)

Perseids Results(2001)

In 2001, the peak came around λo140°. This peak time was same as annual years. Although the unusual activity around λo141° - 141°.5 was seen again, these data had large error bars. It is therefore difficult that these data came from another activity compornent.

Activity Level (using worldwide data)

Observed Peaks

Time(UT) Solar Long. Activity Level
Aug.12 16h 140°.000 2.13 ± 0.08
Aug.13 16h 140°.960 1.48 ± 0.03

Estimated Compornents of Perseid activity

Comp.No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
PER01C01 Aug.12 18h30m 140°.086 2.0 -6.0/+5.0

Parameter

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