AAS 196th Meeting, June 2000
Session 3. Dwarf Stars
Display, Monday, June 5, 2000, 9:20am-6:30pm, Empire Hall South

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[3.09] Optical Spectroscopy of T dwarfs Using LRIS

A. J. Burgasser (Caltech), J. D. Kirkpatrick (IPAC/Caltech), M. E. Brown (Caltech)

We present optical spectroscopy (6200 - 10100 Å) of a set of T dwarfs identified by the 2MASS and Sloan surveys. Atomic and molecular features are noted, including the detection of Rb I in the brightest T dwarf so far identified, 2MASS J0559-14. Comparisons are made with the latest L dwarfs from Kirkpatrick et al.\ to show the continuity of the optical data across the L - T spectral transition. Spectral diagnostics are discussed and a preliminary sequence is shown.

The author(s) of this abstract have provided an email address for comments about the abstract: diver@its.caltech.edu

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