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Result of ηAquarids(2016)

The activity level was same as 2014. The peak time was λo45°.6 which was a similar peak time of visual observation by IMO.
The activity aroud λo49°.53 was very clear. This reasons were η-Aquarids, some meteor showers or errors. On the other hand, the activity around λo49° was seen in past results. It was very interesting what this activity was.

Activity Level (using worldwide data)

Graph of η-Aquarids

Observed Peaks

Time(UT) Solar Long. Activity Level
May 5th 22h 45°.619 1.86 ± 0.80
May 9th 20h 49°.409 1.79 ± 0.33

Estimated Compornents of ηAquarids activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
EAQ16C01 May 6th 00h30m 45°.699 1.0 -36.0 / +42.0
EAQ16C02 May 9th 23h30m 49°.530 1.0 -12.0 / +18.0

Parameter

  • Radiant : α = 338°, δ = -1°
  • Radiant Drift: Δα = 1°, Δδ = +0°.4
  • Radian Elevation : 15° < 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