HOME > Results > Leonids > 2009 Leonids

Leonids 2009 - Results

Go to Leonids Result page

The peak of Leonids 2009 was 21:30 on 17th(UT) with estimated ZHR 127±28. This was the predicted peak by Jeremie. A lot of Long Echoes were also observed.
Next days of peak, on 19th evening, the activity level was unusual again. The estimated ZHR using Activity Level was about 40. After that, Leonid clear activity was not seen.

Combined Activity Level Graph (WorldWide)

Leonids 2009 Graph

Peak Time

Time(UT) Solar Long. Activity Level
Nov.15 16h 233°309 0.72 +- 0.37
Nov.17 21h 235°536 2.93 +- 0.53
Nov.18 21h 236°545 1.64 +- 0.73

Activity Profile using Lorentz-Profile

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
L09T1 Nov.15 18h30m 233°393 0.5 -2.5/+1.0
L09T2 Nov.17 21h30m 235°536 2.5 -1.5/+1.0
L09T3 Nov.18 21h30m 236°545 1.0 -1.0/+2.0
L09T4 Nov.17 14h 235°2 0.5 -24.0/+24.0

Reference

  • 15° < R.P. < 80°
  • Structure of meteor activity is estimated by "Lorentz profile".
  • Observed data provided by RMOJ and RMOB

About Leonids

Introduction and observing conditions are provided this content.

icon Introduction of Leonids