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Result of ηAquarids(2004)

In 2004, the peak time was earlier than visual peak at Solar Longitude 45°.5. Because there was not enough observed data in America, calculated results had large error bars.

Activity Level (using worldwide data)

Graph of η-Aquarids

Observed Peaks

Time(UT) Solar Long. Activity Level
May 4th 04h 44°.000 2.68 ± 0.63

Estimated Compornents of ηAquarids activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
EAQ04C01
EAQ04C02
May 5th 00h30m
May 10th 05h30m
44°.806
49°.843
1.5
0.5
-42.0 / +42.0
-48.0 / +48.0

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