Lyrid meteor stream - Long-term activity profile

Details Lyrid meteor stream - Long-term activity profile Lyrid meteor stream - Long-term activity profile

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989baicz..40..298p&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 40, no. 5, Sept. 1989, p. 298-302.

Astronomy and Astrophysics

Astronomy

5

Meteoroid Concentration, Meteoroid Showers, Radar Astronomy, Solar Activity Effects, Solar Longitude

Scientific paper

The Springhill and Ondrejov radar observations provide the longest known series of systematic observations of the Lyrid meteor shower: 18 returns over a total interval of 30 years. The data over all years have been combined to produce a mean profile of relative shower activity with a resolution of one hour (0.04 deg in solar longitude). The maximum activity occurs at solar longitude (1950.0) 31.5 deg + or - 0.05 deg and the width of the rate profile at half-amplitude is 1.5 days. These results are in good agreement with values determined from visual observations.

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