Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996eiaf.conf...30s&link_type=abstract
Workshop on Evolution of Igneous Asteroids: Focus on Vesta and the HED Meterorites, p. 30
Astronomy and Astrophysics
Astronomy
Achondrites, Asteroids, Basalt, Meteorites, Meteoritic Composition, Meteoroid Showers, Cosmic Rays, Vesta Asteroid, Orbits
Scientific paper
In recent years, a chain of evidence has been built that links the asteroid 4 Vesta with the basaltic achondrite or HED (howardite, eucrite, and diogenite) meteorites. That chain is at the heart of this conference, but it is reasonable to ask how many links there are in the chain. In particular, we are curious about the most recent astronomical source of these meteorites. There have been at least two suggestions that there might be "streams" of these meteorites which we wish to test. We have taken three approaches to testing these streams. First, we have looked at NEAs discovered since the Drummond-halliday suggestion of a stream. Second, we use dates of fall to identify potential stream members then look for distinctive cosmic-ray-exposure histories. As a third approach, we apply not just the dates of fall of the meteorites, but also times, locations and directions.
Lippse R.
Scott I.
Swindle Timothy D.
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