The first spectroscopically confirmed brown dwarfs in NGC 2264
Samuel Pearson,
Aleks Scholz,
Paula S Teixeira
et al.
Abstract:We present spectroscopic follow-up observations of 68 red, faint candidates from our multi-epoch, multi-wavelength, previously published survey of NGC 2264. Using near-infrared spectra from VLT/KMOS, we measure spectral types and extinction for 32 young low-mass sources. We confirm 13 as brown dwarfs in NGC 2264, with spectral types between M6 and M8, corresponding to masses between 0.02 and 0.08 ⊙ . These are the first spectroscopically confirmed brown dwarfs in this benchmark cluster. 19 more objects are fou… Show more
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