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Result of ηAquarids(2006)

η-Aquarids 2006 was weaker activity level than 2004 and 2005. The peak activity level in 2006 was a half of 2005 or 2004. In addition, it was same as activity level of daylight shower around Solar Longitude 50°.

Activity Level (using worldwide data)

Graph of η-Aquarids

Observed Peaks

Time(UT) Solar Long. Activity Level
May 6th 00h
May 8th 04h
45°.280
47°.380
0.96 ± 0.24
1.14 ± 0.32

Estimated Compornents of ηAquarids activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
EAQ06C01
EAQ06C02
May 6th 12h30m
May 11th 00h30m
45°.765
50°.116
0.8
0.5
42.0 / +42.0
-12.0 / +18.0

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