Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250c.371h&link_type=abstract
In ESA, Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 3: Posters p 371-373 (SEE N87-26714
Astronomy and Astrophysics
Astronomy
Aquarid Meteoroids, Halley'S Comet, Orionid Meteoroids, Particle Flux Density, Particle Mass, Radar Astronomy, Space Observations (From Earth)
Scientific paper
Main characteristics of meteor showers associated with comet Halley - Orionids and Eta Aquarids have been deduced from simultaneous radar observations of Ondřejov (Czechoslovakia) and Budrio (Italy), during the shower periods before and after the perihelion transit of the comet. The flux of particles with masses m ≥ 10-6kg was found to be F = 1.5×10-12m-2s-1 or the central parts of showers. It is less than one third of maximum values observed within the stream. The differential mass index s = 1.85 derived for the last 3 returns of showers, compared with the results from years 1980 - 1983 with s = 2.2 suggest the presence of two populations of particles in the stream.
Cevolani Giordano
Formiggini C.
Hajduk Agnieszka
Hajduková Mária
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