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Primeval very low-mass stars and brown dwarfs. I. Six new L subdwarfs, classification and atmospheric properties
Z. H. Zhang, D. J. Pinfield, M. C. Galvez-Ortiz +10
We have conducted a search for L subdwarf candidates within the photometric catalogues of the UKIRT Infrared Deep Sky Survey and Sloan Digital Sky Survey. Six of our candidates are…
Identifying the ejected population from disintegrating multiple systems
A. K. P. Yip, D. J. Pinfield, R. Kurtev +2
Kinematic studies of the Hipparcos catalogue have revealed associations that are best explained as disintegrating multiple systems, presumably resulting from a dynamical encounter…
Infrared spectroscopy of eruptive variable protostars from VVV
C. Contreras Peña, P. W. Lucas, R. Kurtev +11
In a companion work (Paper I) we detected a large population of highly variable Young Stellar Objects (YSOs) in the Vista Variables in the Via Lactea (VVV) survey, typically with c…
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…