Expanding Herbig Ae/Be Multiplicity Survey to Southern Hemisphere

Details Expanding Herbig Ae/Be Multiplicity Survey to Southern Hemisphere Expanding Herbig Ae/Be Multiplicity Survey to Southern Hemisphere

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009noao.prop..411r&link_type=abstract

NOAO Proposal ID #2009B-0411

Computer Science

Scientific paper

We propose to use NICI on Gemini South to expand our successful multiplicity study to the southern hemisphere. Using NIRI+Altair on Gemini North, we have surveyed a large number of northern Herbig Ae/Be stars (143) and detected likely companions around approximately 2/3 of them. This work has increased the known companion sample by nearly a factor of 10, and uncovered several unique and interesting systems. Identifying and understanding companions to intermediate mass pre-main sequence stars enlightens our understanding of star formation as a function of mass (the primaries span 1.5-10 solar masses), and as a function of immediate stellar environment.

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