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Low-resolution near-infrared spectroscopic signatures of unresolved ultracool companions to M dwarfs
N. J. Cook, D. J. Pinfield, F. Marocco +14
We develop a method to identify the spectroscopic signature of unresolved L-dwarf ultracool companions, which compares the spectra of candidates and their associated control stars…
LAMOST Observations of Flaring M Dwarfs in the Kepler Field
H. -Y. Chang, Y. -H. Song, A. -L. Luo +7
A sample of the LAMOST spectra of the early type M0-M3 dwarfs is compared with the Kepler observations. It is found that M dwarfs with strong chromospheric emission in have l…
A Method for Selecting M dwarfs with an Increased Likelihood of Unresolved Ultra-cool Companionship
N. J. Cook, D. J. Pinfield, F. Marocco +15
Locating ultra-cool companions to M dwarfs is important for constraining low-mass formation models, the measurement of sub-stellar dynamical masses and radii, and for testing ultra…