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Result of ηAquarids(2008)

In 2008, the peak time was same as official peak time by International Meteor Organization(IMO). After peak time, the activity level kept unusual until λo(Solar Longitude) 49°. This activity was over around λo53°.

Activity Level (using worldwide data)

Graph of η-Aquarids

Observed Peaks

Time(UT) Solar Long. Activity Level
May 5th 18h 45°.510 2.10 ± 0.39

Estimated Compornents of ηAquarids activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
EAQ08C01 May 5th 18h30m 45°.510 1.3 -48.0 / +30.0
EAQ08C02 May 9th 12h30m 49°.140 0.7 -24.0 / +54.0

Parameter

  • Radiant : α = 338°, δ = -1°
  • Radiant Drift: Δα = 1°, Δδ = +0°.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