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A Search for Exozodiacal Dust and Faint Companions Near Sirius, Procyon,
and Altair with the NICMOS Coronagraph
release_n5owl2pfrnbllhojhmo57niy7q
by
Marc J. Kuchner
Released
as a article
.
2000
Abstract
We observed Sirius, Altair, and Procyon with the NICMOS Coronagraph on the
Hubble Space Telescope to look for scattered light from exozodiacal dust and
faint companions within 10 AU from these stars. We did not achieve enough
dynamic range to surpass the upper limits set by IRAS on the amount of
exo-zodiacal dust in these systems, but we did set strong upper limits on the
presence of nearby late-type and sub-stellar companions.
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astro-ph/0002043v1
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