Real-time meteor entrance speed determinations made with interferometric meteor radars
Article first published online: 7 DEC 2012
Copyright 2000 by the American Geophysical Union.
Volume 35, Issue 5, pages 1205–1220, September-October 2000
How to Cite
2000), Real-time meteor entrance speed determinations made with interferometric meteor radars, Radio Sci., 35(5), 1205–1220, doi:10.1029/1999RS002283.(
- Issue published online: 7 DEC 2012
- Article first published online: 7 DEC 2012
- Manuscript Accepted: 20 APR 2000
- Manuscript Received: 2 NOV 1999
Previously developed methods for determination of meteor entrance speeds into the Earth's atmosphere are extended and unified and applied to a real-time radar system. A Fourier transform approach, using a rescaled time axis, is employed, permitting entrance speed determinations with accuracies of the order of 0.5 km s−1. After the method is described, it is demonstrated by using it to determine the entrance speeds of several major streams, including the Zeta Perseids, the Arietids, the Beta Taurids, the June Bootids, meteors from within the Piscids complex, and the Geminids. Values are consistent with previous optical measurements, but in some cases the radar measurements have higher accuracy. The possibility of detection of space debris, or perhaps dust in Earth orbit, is also considered.