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The Near-Ultraviolet Luminosity Function of Young, Early M-Type Dwarf Stars
Megan Ansdell, Eric Gaidos, Andrew W. Mann +8
Planets orbiting within the close-in habitable zones of M dwarf stars will be exposed to elevated high-energy radiation driven by strong magneto-hydrodynamic dynamos during stellar…
Fixing the Reference Frame for PPMXL Proper Motions Using Extragalactic Sources
Kathleen Grabowski, Jeffrey L. Carlin, Heidi Jo Newberg +14
We quantify and correct systematic errors in PPMXL proper motions using extragalactic sources from the first two LAMOST data releases and the Veron-Cetty & Veron Catalog of Quasars…
Optical BVRI Photometry of Common Proper Motion F/G/K+M Wide Separation Binaries
Ting Li, J. L. Marshall, Sebastien Lepine +2
We present optical (BVRI) photometric measurements of a sample of 76 common proper motion wide separation main sequence binary pairs. The pairs are composed of a F-, G-, or K-type…
The First Hypervelocity Star from the LAMOST Survey
Zheng Zheng, Jeffrey L. Carlin, Timothy C. Beers +10
We report the first hypervelocity star (HVS) discovered from the LAMOST spectroscopic survey. It is a B-type star with a heliocentric radial velocity about 620 km/s, which projects…
Characterization of the Benchmark Binary NLTT 33370
J. E. Schlieder, M. Bonnefoy, T. M. Herbst +16
We report the confirmation of the binary nature of the nearby, very low-mass system NLTT 33370 with adaptive optics imaging and present resolved near-infrared photometry and integr…