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Perseids Results(2007)
In 2007, although observed peaks were around λo139°.8 and 140°.2, 2007 Perseid activity came from one compornent because they had large error bars and profile was unstable. In this analysis, the peak time was later than annual year.
Activity Level (using worldwide data)
Observed Peaks
Time(UT) | Solar Long. | Activity Level |
---|---|---|
Aug.13 01h | 139°.853 | 1.32 ± 0.44 |
Aug.13 11h | 140°.253 | 1.31 ± 0.17 |
Estimated Compornents of Perseid activity
Comp.No. | Peak Time(UT) | Solar Long. | A(max) | FWHM(hr) |
---|---|---|---|---|
PER07C01 | Aug.13 11h00m | 140°.253 | 1.3 | -20.0/+15.0 |
Parameter
- Radiant : α = 46°.2, δ = +57°.4
- Radian Elevation : 20° < h
- Using data within ± 0.75 σ in all observed data.
Reference
- Structure of meteor activity is estimated by "Lorentz profile".
- Observed data provided by RMOJ and RMOB