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Ultracool dwarfs candidates based on six years of the Dark Energy Survey data
M. dal Ponte, B. Santiago, A. Carnero Rosell +57
We present a sample of 19,583 ultracool dwarf candidates brighter than z selected from the Dark Energy Survey DR2 coadd data matched to VHS DR6, VIKING DR5 and AllWISE co…
Chemical Analysis of the Ultra-Faint Dwarf Galaxy Grus~II. Signature of high-mass stellar nucleosynthesis
T. T. Hansen, J. L. Marshall, J. D. Simon +59
We present a detailed abundance analysis of the three brightest member stars at the top of the giant branch of the ultra-faint dwarf galaxy Grus~II. All stars exhibit a higher than…
Increasing the census of L and T dwarfs in wide binary and multiple systems using Dark Energy Survey DR1 and Gaia DR2 data
M. dal Ponte, B. Santiago, A. Carnero Rosell +57
We present the discovery of 255 binary and six multiple system candidates with wide > 5" separation composed by ultracool dwarfs companions to stars, plus nine double ultracool dwa…