Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21931403h&link_type=abstract
American Astronomical Society, AAS Meeting #219, #314.03
Astronomy and Astrophysics
Astronomy
Scientific paper
Most stars are born in multiple systems. Theory predicts that star-disk interactions in these systems preferentially strip circumstellar disk material away from the lower-mass companion, such that the ratio of the companion disk radius to orbital separation is set by the orbital parameters of the system. To test the theoretical predictions of these interactions, we have carried out a new, resolved 880 micron Submillimeter Array (SMA) imaging survey of young multiple star systems in Taurus (for stellar mass ratios > 0.1 and separations > 35 AU) to measure the key observables of star-disk interaction theory, i.e. circumstellar disk masses and radii as a function of orbital separation and stellar mass ratio. We discuss this survey and its implications for tidal-truncation theory
Andrews Sean M.
Harris Robert J.
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