Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832611f&link_type=abstract
American Astronomical Society, AAS Meeting #218, #326.11; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Multiple star systems aid in constraining star formation models and understanding Galactic history. The focus of this poster is on wide multiple star systems detected through a cross-correlation of the Lepine-Shara Proper Motion North and South (LSPM-N,S) catalogs with themselves and with the Hipparcos catalog. Of the 1,987 systems detected, 937 were previously unidentified in the literature. The spectral types of the primaries range from B stars to M stars with a vast majority having spectral type F or G. Moreover, a large percentage of the new systems are higher order multiples. In this poster we discuss characteristics of the multiple systems including age and metallicity estimates as well as wide binary and hierarchichal system fractions in the field.
Bartel K.
Faherty Jacqueline
Lepine Sebastien
Stoner Rick
Wilansky S.
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