Low-luminosity companions to white dwarfs (Farihi+, 2005)

Details Low-luminosity companions to white dwarfs (Farihi+, 2005) Low-luminosity companions to white dwarfs (Farihi+, 2005)

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..21610394f&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/161/394. Originally published in: 2005ApJS..161..394F

Computer Science

Stars: White Dwarf, Stars: Double And Multiple, Proper Motions, Photometry: Uvbgri, Photometry: Infrared

Scientific paper

This paper presents results of a near-infrared imaging survey for low-mass stellar and substellar companions to white dwarfs. A wide-field proper-motion survey of 261 white dwarfs was capable of directly detecting companions at orbital separations between 100 and 5000 AU with masses as low as 0.05M{sun}, while a deep near-field search of 86 white dwarfs was capable of directly detecting companions at separations between 50 and 1100AU with masses as low as 0.02M{sun}. Additionally, all white dwarf targets were examined for near-infrared excess emission, a technique capable of detecting companions at arbitrarily close separations down to masses of 0.05M{sun}.
(5 data files).

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