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H Emission From Active Equal-mass, Wide M Dwarf Binaries
Heather C. Gunning, Sarah J. Schmidt, James R. A. Davenport +3
We identify a sample of near-equal mass wide binary M dwarf systems from the SLoWPoKES catalog of common proper-motion binaries and obtain follow-up observations of their chromosph…
BOSS Ultracool Dwarfs I: Colors and Magnetic Activity of M and L dwarfs
Sarah J. Schmidt, Suzanne L. Hawley, Andrew A. West +4
We present the colors and activity of ultracool (M7-L8) dwarfs from the Tenth Data Release of the Sloan Digital Sky Survey (SDSS). We combine previous samples of SDSS M and L dwarf…
A New Sample of Cool Subdwarfs from SDSS: Properties and Kinematics
Antonia Savcheva, Andrew A. West, John J. Bochanski
We present a new sample of M subdwarfs compiled from the 7th data release of the Sloan Digital Sky Survey. With 3517 new subdwarfs, this new sample significantly increases the numb…
Warm Dust around Cool Stars: Field M Dwarfs with WISE 12 or 22 Micron Excess Emission
Christopher A. Theissen, Andrew A. West
Using the SDSS DR7 spectroscopic catalog, we searched the WISE AllWISE catalog to investigate the occurrence of warm dust, as inferred from IR excesses, around field M dwarfs (dMs)…
SpeX Spectroscopy of Unresolved Very Low Mass Binaries. II. Identification of Fourteen Candidate Binaries with Late-M/Early-L and T Dwarf Components
Daniella C. Bardalez Gagliuffi, Adam J. Burgasser, Christopher R. Gelino +7
Multiplicity is a key statistic for understanding the formation of very low mass (VLM) stars and brown dwarfs. Currently, the separation distribution of VLM binaries remains poorly…
The Most Distant Stars in the Milky Way
John J. Bochanski, Beth Willman, Nelson Caldwell +4
We report on the discovery of the most distant Milky Way (MW) stars known to date: ULAS J001535.72015549.6 and ULAS J074417.48253233.0. These stars were selected as M giant c…