Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rmxac..25...45r&link_type=abstract
Third International Meeting of Dynamic Astronomy in Latin America (Eds. Carlos Abad, Ángel Bongiovanni, & Yaneth Guillén) Revist
Astronomy and Astrophysics
Astronomy
Astrometry, Binaries: Close, Stars: Low-Mass, Brown Dwarfs, Stars: Luminosity Function, White Dwarfs
Scientific paper
Using the sample of nearby white dwarfs (WDs) compiled by Holberg et al. (2002) we intend to study the sub-stellar binarity among WDs in the solar vicinity. A smaller contrast in near infrared bands between WDs and sub-stellar objects helps us to detect thermal emission from the hottest sub-stellar objects. Observations will be carried out in Paranal. For wider pairs, an adaptive optic system provided by VLT+NACO will be used, as well as interferometry for close companions. This project is part of a PhD thesis and the data will be collected during Chilean telescope time.
Mendez Rafael A.
Radiszcz M. C.
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