Light curves of faint meteors

Details Light curves of faint meteors Light curves of faint meteors

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.495..259k&link_type=abstract

In: Proceedings of the Meteoroids 2001 Conference, 6 - 10 August 2001, Kiruna, Sweden. Ed.: Barbara Warmbein. ESA SP-495, Noordw

Computer Science

8

Meteor Showers, Light Curves

Scientific paper

The results of the light curves analysis of 234 meteors observed and recorded within the double-station image intensifier observations at the Ondřejov observatory are presented. Double-station observations allow to compute the meteor trajectory in the solar system and in the atmosphere as well as to determinate the absolute magnitude of meteor and its mass. Light curves and heights data of all major meteor showers - Lyrids, η-Aquarids, Perseids, Orionids, Leonids, Geminids as well as many sporadic meteors - were analysed. The differences between individual showers were found, e.g. Perseids appear to be more compact than Leonids. There is also difference between 1998 and 1999 Leonids. This suggests different composition or structure of parent bodies. Our data show that the beginning heights of Perseids, Orionids and Leonids are weakly dependent on meteor mass, although the dust-ball theory assumes they should be mass independent.

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