Brown Dwarfs and the Sub-Stellar Mass-Function

Details Brown Dwarfs and the Sub-Stellar Mass-Function Brown Dwarfs and the Sub-Stellar Mass-Function

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999iraj...26...17p&link_type=abstract

Irish Astronomical Journal, 1999 (January), 26(1), 17

Astronomy and Astrophysics

Astronomy

Scientific paper

We briefly summarise the field of brown dwarf astronomy, and then present the results of a 5 square degree Pleiades survey which is photometrically complete down to I~19.4. Infrared photometry and proper motions are employed to assign membership of Brown Dwarf candidates, and a mass function is derived from 0.4 down to 0.054 MSun for the whole cluster, which at higher mass, compares well with other mass functions found for both the field and the Pleiades. The mass function is also well fit by a log-normal function, and this function suggests that the brown dwarf mass function decreases into the Brown Dwarf regime.

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