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Revisiting the Role of M31 in the Dynamical History of the Magellanic Clouds
Nitya Kallivayalil, Gurtina Besla, Robyn Sanderson +1
We study the dynamics of the Magellanic Clouds in a model for the Local Group whose mass is constrained using the timing argument/two-body limit of the action principle. The goal i…
Optical and Near-Infrared Spectroscopy of the L Subdwarf SDSS J125637.13-022452.4
Adam J. Burgasser, Soeren Witte, Christiane Helling +3
Red optical and near-infrared spectroscopy are presented for SDSS J125637.13-022452.4, one of only four L subdwarfs reported to date. These data confirm the low-temperature, metal-…
2MASS J06164006-6407194: The First Outer Halo L Subdwarf
M. C. Cushing, D. Looper, A. J. Burgasser +5
We present the serendipitous discovery of an L subdwarf, 2MASS J06164006-6407194, in a search of the Two Micron All Sky Survey for T dwarfs. Its spectrum exhibits features indicati…