217 citations · 1.9k across the 37 of their papers we have counts for
Showing 2001Show all
2 papers · 1 filter
astro-ph2001★ 73 cited
Keck NIRC Observations of Planetary-mass Candidate Members in the sigma Orionis Open Cluster
E. L. Martin, M. R. Zapatero Osorio, D. Barrado y Navascues +2
We present K-band photometry and low-resolution near-infrared spectroscopy from 1.44 to 2.45 micron of isolated planetary-mass candidate members in the sigma Orionis cluster found…
astro-ph2001★ 159 cited
The Substellar Mass Function in sigma Orionis
V. J. S. Bejar, E. L. Martin, M. R. Zapatero Osorio +7
We combine results from imaging searches for substellar objects in the sigma Orionis cluster and follow-up photometric and spectroscopic observations to derive a census of the brow…