THE HYPERACTIVE L DWARF 2MASS J13153094-2649513: CONTINUED EMISSION AND A BROWN DWARF COMPANION

THE HYPERACTIVE L DWARF 2MASS J13153094-2649513: CONTINUED EMISSION AND A BROWN DWARF COMPANION

We report new observations of the unusually active, high proper motion L5e dwarf 2MASS J13153094-2649513. Optical spectroscopy with Magellan/MagE reveals persistent nonthermal emission, with narrow H I Balmer, Na I and K I lines all observed in emission. Low-resolution near-infrared spectroscopy wit...

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Main Authors: Burgasser, Adam J. (Contributor), Sitarski, Breann N. (Author), Gelino, Christopher R. (Author), Logsdon, Sarah E. (Author), Perrin, Marshall D. (Author)
Other Authors: MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: Institute of Physics/American Astronomical Society, 2015-03-27T18:14:27Z.
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