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Result of ηAquarids(2013)

Although calulated data have large errors, 2013 η-Aquarid activity was much higher than annual year. The peak time around lambda;o45°.47 was same as official time by Internation Meteor Observation.

Activity Level (using worldwide data)

Graph of η-Aquarids

Observed Peaks

Time(UT) Solar Long. Activity Level
May 5rd 19h 45°.268 3.53 ± 0.67
May 5th 21h 45°.349 5.06 ± 0.31(?)
May 6th 19h 46°.236 3.29 ± 0.90

Estimated Compornents of ηAquarids activity

Trail-No. Peak Time(UT) Solar Long. A(max) FWHM(hr)
EAQ13C01 May 6th 00h30m 45°.470 3.0 -30.0 / +48.0

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