169 citations · 828 across the 13 of their papers we have counts for
5 papers · 2 filters
Ultracool Subdwarfs: Metal-poor Stars and Brown Dwarfs Extending into the Late-type M, L and T Dwarf Regimes
Adam J. Burgasser, J. Davy Kirkpatrick, Sebastien Lepine
Recent discoveries from red optical proper motion and wide-field near-infrared surveys have uncovered a new population of ultracool subdwarfs -- metal-poor stars and brown dwarfs e…
Spitzer Infrared Spectrograph Observations of M, L, and T Dwarfs
T. L. Roellig, J. E. Van Cleve, G. C. Sloan +8
We present the first mid-infrared spectra of brown dwarfs, together with observations of a low-mass star. Our targets are the M3.5 dwarf GJ 1001A, the L8 dwarf DENIS-P J0255-4700,…
Meeting the Cool Neighbors VIII: A preliminary 20-parsec census from the NLTT catalogue
I. N. Reid, K. L. Cruz, P. R. Allen +8
Continuing our census of late-type dwarfs in the Solar Neighbourhood, we present BVRI photometry and optical spectroscopy of 800 mid-type M dwarfs drawn from the NLTT proper motion…
The 2MASS Wide-Field T Dwarf Search. III. Seven New T Dwarfs and Other Cool Dwarf Discoveries
Adam J. Burgasser, Michael W. McElwain, J. Davy Kirkpatrick +3
We present the discovery of seven new T dwarfs identified in the Two Micron All Sky Survey. Low-resolution (R150) 0.8--2.5 micron spectroscopy obtained with the IRTF SpeX ins…
Preliminary Parallaxes of 40 L and T Dwarfs from the U.S. Naval Observatory Infrared Astrometry Program
F. J. Vrba, A. A. Henden, C. B. Luginbuhl +12
We present preliminary trigonometric parallaxes and proper motions for 22 L dwarfs and 18 T dwarfs measured using the ASTROCAM infrared imager. Relative to absolute parallax correc…