Identification and characterization of low mass stars and brown dwarfs using Virtual Observatory tools

Context Two thirds of the stars in our galactic neighborhood (d T5 dwarfs of <16 − < 25% depending of the underlying mass ratio distribution. This binary fraction is consistent with previous estimations. From this work we also conclude that theWFC3 is more sensitive to cool companions than otherHST instruments like NICMOS or WFPC2 but its lower angular resolution makes it unsuitable to detect tight brown dwarf binary systems.

201 pages

Country

Spain

Related Organizations

Complutense University of Madrid
Spain

Keywords

Astrofísica, Brown dwarfs, 524.3(043.2), Astronomy, Low-mass stars, Estrellas, Virtual Observatory, Stars, Hubble

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