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Title:
A New Population of Young Brown Dwarfs
Authors:
Cruz, K. L.; Kirkpatrick, J. D.; Burgasser, A.; Looper, D.; Mohanty, S.; Prato, L.; Faherty, J.; Solomon, A.
Publication:
14th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun ASP Conference Series, Vol. 384, proceedings of the conference held 5-10 November, 2006, at the Spitzer Science Center and Michelson Science Center, Pasadena, California, USA. Edited by Gerard van Belle., p.119
Publication Date:
04/2008
Origin:
ASP
Bibliographic Code:
2008ASPC..384..119C

Abstract

We report the discovery of a population of late-M and L field dwarfs with unusual optical and near-infrared spectral features that we attribute to low gravity---likely uncommonly young, low-mass brown dwarfs. Many of these new-found young objects have southerly declinations and distance estimates within 60 parsecs. Intriguingly, these are the same properties of recently discovered, nearby, intermediate-age (5--50 Myr), loose associations such as Tucana/Horologium, the TW Hya association, and the Beta Pictoris moving group. We describe our efforts to confirm cluster membership and to further investigate this possible new young population of brown dwarfs.

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