The Properties of the 2MASS Field L Dwarf Population

Details The Properties of the 2MASS Field L Dwarf Population The Properties of the 2MASS Field L Dwarf Population

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.3306g&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #33.06; Bulletin of the American Astronomical Society, Vol. 33, p.827

Astronomy and Astrophysics

Astronomy

Scientific paper

The Two Micron All-Sky Survey (2MASS) has enabled the identification of one hundred nearby cool objects belonging to the new L dwarf spectral class. I argue that the relation between temperature and spectral class is now strongly constrained. Observables such as the fraction of L dwarfs with lithium, the space density, and the kinematics allow the ages and masses of the L dwarf population to be modeled. I discuss the fraction of L dwarfs which are actually brown dwarfs and the best current value of the substellar mass function. This publication makes use of data products from 2MASS, which is a joint project of the University of Massachusetts and IPAC/Caltech, funded by NASA and NSF.

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