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... to
confirm their multiplicity and, for those with a short period, derive accurate
orbital parameters and dynamical mass estimates.
We have used high spatial resolution images obtained at the Paranal, Lick and
HST observatories to obtain astrometric and photometric measurements of the
multiple systems at several epochs. The targets have periods ranging from 5 to
200 years, and spectral types in...

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Published: 1 year, 5 months ago (Wed, 30 Jan 2008 09:44:53 PST); 2053 bytes
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