45 citations · 93 across the 4 of their papers we have counts for
4 papers
Halo Stars Near the Hydrogen-Burning Limit: The M/L Subdwarf Transition
J. E. Gizis, J. Harvin
We present the first far-red spectra of the L subdwarf 2MASS J16262034+3925190 and the late M/early L subdwarf 2MASS J16403197+1231068. We confirm the ultracool subdwarf nature of…
Identification of New M Dwarfs in the Solar Neighborhood
Basmah Riaz, John E. Gizis, James Harvin
We present the results from a spectroscopic study of 1080 nearby active M dwarfs, selected by correlating the 2MASS and ROSAT catalogs. We have derived the spectral types and estim…
First Ultraviolet Spectrum of a Brown Dwarf: Evidence for H_2 Fluorescence and Accretion
John E. Gizis, Harry L. Shipman, James A. Harvin
We analyze an HST/STIS ultraviolet spectrum of the young brown dwarf 2MASSW J1207334-393254, a member of the ten million-year old TW Hya Association that has a planetary-mass compa…
Tomographic Separation of Composite Spectra. VIII. The Physical Properties of the Massive Compact Binary in the Triple Star System HD 36486 (delta Orionis A)
James A. Harvin, Douglas R. Gies, William G. Bagnuolo +2
Double-lined spectroscopic orbital elements have recently been found for the central binary in the massive triple, delta Orionis A based on radial velocities from cross-correlation…