Cheetham, Anthony; Kraus, A L; Ireland, Michael; Cieza, Lucas A; Rizzuto, Aaron C.; Tuthill, Peter G
We conduct a multiplicity survey of members of the ρ Ophiuchus cloud complex with high-resolution imaging to characterize the multiple-star population of this nearby star-forming region and investigate the relation between stellar multiplicity and star and planet formation. Our aperture masking survey reveals the presence of five new stellar companions beyond the reach of previous studies, but does not result in the detection of any new substellar companions. We find that 43 ± 6% of the 114...[Show more]
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