Visual Sporadic Meteor Rates

Details Visual Sporadic Meteor Rates Visual Sporadic Meteor Rates

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jimo...34...71r&link_type=abstract

WGN, Journal of the International Meteor Organization, vol. 34, no. 3, p. 71-76

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Scientific paper

Activity from the antihelion region can be regarded as a series of ecliptical showers with the Taurids being a special case (lower population index r=2.5 instead r=3.0 and higher ZHR of 5.3 as compared to 2.5 for the other periods of the year). For sporadic meteors we find an annual average of r=2.95+-0.15 with a minimum near solar longitude =80 deg and a maximum near solar longitude=270 deg. Meteors associated with the region of the apex of the Earth's orbital motion yield an annual average ZHR of about 22. Despite the significant differences between recently published radar flux profiles and visual data due to different magnitude ranges (+8 and +3, respectively), we find coinciding features of the flux and ZHR around solar longitude=85 deg (minimum) and maxima around solar longitude=150 deg and solar longitude=290-300 deg.

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