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2017 Perseids showed an annual activity level without outburst. Although higher activities were seen from 2014 to 2016, 2017 Perseids came back to 2013 actiity level.
Perseids Results(2017)
2017 Perseids showed an annual activity level without outburst. Although higher activities were seen from 2014 to 2016, 2017 Perseids came back to 2013 actiity level.
Activity Level (using worldwide data)
Observed Peaks
Time(UT) | Solar Long. | Activity Level |
---|---|---|
Aug.12 17h | 139°.949 | 1.74 ± 0.69 |
Estimated Compornents of Perseid activity
Comp.No. | Peak Time(UT) | Solar Long. | A(max) | FWHM(hr) |
---|---|---|---|---|
PER17C01 | Aug.12 16h30m | 139°.909 | 1.5 | -13.0/+18.0 |
Parameter
- Radiant : α = 46°.2, δ = +57°.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