Nearby M, L, and T Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE)

July 2013 • 2013PASP..125..809T

Authors • Thompson, Maggie A. • Kirkpatrick, J. Davy • Mace, Gregory N. • Cushing, Michael C. • Gelino, Christopher R. • Griffith, Roger L. • Skrutskie, Michael F. • Eisenhardt, Peter R. M. • Wright, Edward L. • Marsh, Kenneth A. • Mix, Katholeen J. • Beichman, Charles A. • Faherty, Jacqueline K. • Toloza, Odette • Ferrara, Jocelyn • Apodaca, Brian • McLean, Ian S. • Bloom, Joshua S.

Abstract • In our effort to complete the census of low-mass stars and brown dwarfs in the immediate solar neighborhood, we present spectra, photometry, proper motions, and distance estimates for 42 low-mass star and brown dwarf candidates discovered by the Wide-field Infrared Survey Explorer (WISE). We also present additional follow-up information on 12 candidates selected using WISE data but previously published elsewhere. The new discoveries include 15 M dwarfs, 17 L dwarfs, five T dwarfs, and five objects of other types. Among these discoveries is a newly identified “unusually red L dwarf” (WISE J223527.07 + 451140.9), four peculiar L dwarfs whose spectra are most readily explained as unresolved L + T binary systems, and a T9 dwarf (WISE J124309.61 + 844547.8). We also show that the recently discovered red L dwarf WISEP J004701.06 + 680352.1 may be a low-gravity object and hence young and potentially low-mass (< 25 MJup).


IPAC Authors

Chris Gelino

Associate Scientist


Davy Kirkpatrick

Senior Scientist