High Spatial and Temporal Resolution Optical Search for Evidence of Meteoroid Fragmentation

Details High Spatial and Temporal Resolution Optical Search for Evidence of Meteoroid Fragmentation High Spatial and Temporal Resolution Optical Search for Evidence of Meteoroid Fragmentation

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004em%26p...95..587h&link_type=abstract

Earth, Moon, and Planets, Volume 95, Issue 1-4, pp. 587-593

Computer Science

2

Ablation, Fragmentation, High Resolution, Meteor, Structure, Wake

Scientific paper

A digital image intensified CCD camera with an electronically gated image intensifier was used to produce very short duration images of meteors. The observational system employed a 0.40 m F/4.5 Newtonian telescope to obtain high spatial resolution. A second intensified CCD camera was used to yield height information using parallax. At a typical meteor height one pixel (for the vertically oriented system) corresponded to about 1.1 m. A sampling of 59 mainly sporadic meteors was analyzed. There is clear variability from meteor to meteor, with many meteors (nearly 50%) showing only a small amount of wake, while some meteors (approximately 20%) have the off segments completely filled in.

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