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Title: Separation of meteor streams from the sporadic background
Authors: Jopek, Tadeusz
Keywords: Meteors, D-criterion, orbital similarity, threshold level
Issue Date: Jan-1995
Publisher: Kluwer Academic Publishers
Citation: Jopek TJ, 1995, EMP, 68, 339-346
Abstract: A cluster analysis procedure has been used to estimate the fraction of the sporadic interlopers (sporadis bias) identified as stream members among the observed meteor orbits. Using the artificial meteor orbits with the same distribution as the observed one, the sporadic bias is estimated for the given threshold value of the orbital similarityD c. It has been shown that in case of the radio meteor catalogues theD c values given by the formula proposed in Southworth and Hawkins (1963)and in Lindblad (1971) correspond to the sporadic bias of 8 21%. For the five radio meteor catalogues the values ofD c corresponding to the fixed bias equal to 10% and 15% are given.
ISSN: 0167-9295
Appears in Collections:Artykuły naukowe (WF)

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