Near Infrared AO Spectroscopy of Binary Brown Dwarf Discovered in HD 130948 triple system

Details Near Infrared AO Spectroscopy of Binary Brown Dwarf Discovered in HD 130948 triple system Near Infrared AO Spectroscopy of Binary Brown Dwarf Discovered in HD 130948 triple system

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.6101g&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #61.01; Bulletin of the American Astronomical Society, Vol. 33, p.1397

Physics

Optics

Scientific paper

We present near infrared spectroscopy of low mass companions discovered in a nearby triple system HD 130948. Spectroscopy with adaptive optics (AO) system proved a powerful technique to study close binary systems with angular separation down to 0''.12. The general spectral features of HD 130948B and C turn out very similar to each other. Based on the H2O absorption strength, as well as direct comparison with a series of template spectra we determined the spectral types of HD 130948B and C to be L3. Take young age of the primary star (500 Myr -- 1 Gyr) in account, HD 130948B and C is most likely a binary brown dwarf system.

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