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Result of Orionids 2007

2007 Orionids showed same activity as 2006. The clear activity was seen between λo207° and 2106deg;. The peak was very clear around λo208°.

Activity Level (using worldwide data)

Orionids Activity Level Graph

Observed Peaks

Time(UT) Solar Long. Activity Level
Oct. 21st 21h 207°.998 1.68 ± 0.76

Estimated Compornents of ηAquarids activity

Comp.Code Peak Time(UT) Solar Long. A(max) FWHM(hr)
ORI07C01 Oct. 21st 21h00m 207°.988 1.0 -24.0/+42.0

Parameter

  • Radiant : α = 95°, δ = +16°
  • 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