Radar observations of Draconid outbursts
Campbell-Brown, M. D.; Stober, G.; Jacobi, C.; Kero, J.; Kozlovsky, A.; Lester, M. (2021-07-29)
M D Campbell-Brown, G Stober, C Jacobi, J Kero, A Kozlovsky, M Lester, Radar observations of Draconid outbursts, Monthly Notices of the Royal Astronomical Society, Volume 507, Issue 1, October 2021, Pages 852–857, https://doi.org/10.1093/mnras/stab2174
© 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society. This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model).
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https://urn.fi/URN:NBN:fi-fe2021121360201
Tiivistelmä
Abstract
The Draconid meteor shower shows strong bursts of activity at irregular intervals, with nearly no activity in intervening years. Five outbursts of the Draconid meteor shower were observed with specular meteor radars in Canada and Europe between 1999 and 2018. The outbursts generally lasted between 6 and 8 h, and most were not fully visible at a single geographical site, emphasizing the need for observations at multiple longitudes for short-duration shower outbursts. There is at least a factor of two difference in the peak flux as measured on different radars; the initial trail radius effect is undercorrected for Draconid meteors, which are known to be fragile.
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