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L and T dwarfs in the Hyades and Ursa Major moving groups

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journal contribution
posted on 2009-12-08, 16:24 authored by N. P. Bannister, R. F. Jameson
We have used the moving cluster method to identify three L dwarfs and one T dwarf in the Ursa Major/Sirius moving group (age 400 Myr). Five L dwarfs and two T dwarfs are found to belong to the Hyades moving group (age 625 Myr). These L and T dwarfs define 400- and 625-Myr empirical isochrones, assuming that they have the same age. Moving group membership does not guarantee coevality.

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Citation

Monthly Notices of the Royal Astronomical Society, 2007, 378 (1), pp.L21-L24

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Monthly Notices of the Royal Astronomical Society

Publisher

Oxford University Press (OUP), Royal Astronomical Society

issn

0035-8711

Copyright date

2007

Available date

2009-12-08

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http://mnrasl.oxfordjournals.org/content/378/1/L24

Language

en

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    Keywords

    stars: kinematicsstars: low-mass, brown dwarfsopen clusters and associations: individual: Ursa Majoropen clusters and associations: individual: Hyadesgalaxies: star clusters

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