Physics
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3548z&link_type=abstract
Spitzer Proposal ID #3548
Physics
Scientific paper
Observational evidence that pertains to the existence of extrasolar analogs of the asteroid belt and of the Oort comet cloud is very scarce. Because of the very low mass of white dwarf photospheres, the accretion of cometary or asteroidal material can have observational consequences. We are proposing to use IRAC and IRS to shed light on the prevalence of asteroid belts and Oort-like comet clouds around white dwarfs and, thus, by extension, their main sequence progenitors.
Becklin Eric E.
Farihi Jay
Zuckerman Ben
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