Computer Science
Scientific paper
Jan 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995em%26p...68..427n&link_type=abstract
Earth, Moon, and Planets, Volume 68, Issue 1-3, pp. 427-433
Computer Science
11
Scientific paper
A procedure of selection of meteoroids from major streams is suggested and applied to the IAU Lund photographic database modified by a check for internal consistency among orbital elements (3411 orbits). Limits for choice of stream members were defined by break points on the plots of the cumulative numberN C vs. the Southworth-HawkinsD discriminant. For the break points were considered the points from which the dependenceN C vs.D changes to a quasi-linear one, and with the increasingD, N C changes only moderately. Except for the Taurids which desire a separate analysis, theN C vs.D diagrams are presented for the following major meteoroid streams: Quadrantids, Lyrids,η Aquarids,α Capricornids, N and Sδ Aquarids, Perseids, Orionids, Leonids and Geminids. The mean orbits, velocities and radiants of the streams are derived and compared with the osculating orbits of their parent bodies. The limitingD B was found to be a function of the number of the stream membersN CB. Omitting the exceptionally concentrated Geminids, the relation is in the formD B = 0.058 *ln(N CB) - 0.04.
Neslusan Luboš
Porubčan Vladimir
Svoreň Jan
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