61 citations · 122 across the 4 of their papers we have counts for
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astro-ph2001★ 60 cited
No disks around low-mass stars and brown dwarfs in the young sigma Orionis cluster?
J. M. Oliveira, R. D. Jeffries, M. J. Kenyon +2
We report on the analysis of 2MASS near-infrared data of a sample of low-mass stars and brown dwarfs in the sigma Orionis cluster. Youth and cluster membership have been spectrosco…
astro-ph2001★ 1 cited
Low Mass Stars and Brown Dwarfs around Sigma Orionis
M. J. Kenyon, R. D. Jeffries, T. Naylor
We present optical spectroscopy of 71 photometric candidate low-mass members of the cluster associated with Sigma Orionis. Thirty-five of these are found to pass the lithium test a…