3 papers
astro-ph2004
Lambda Orionis: A 0.02-50 Msun Initial Mass Function
David Barrado y Navascues, J. R. Stauffer, J. Bouvier
The Lambda Orionis Star Forming Region is dominated by the O8 III star lambda^1 Ori. Among other structures, it includes a CO and a dust ring whose diameter is about nine deg, the…
astro-ph2004
The substellar population of the young cluster lambda Orionis
David Barrado y Navascues, J. R. Stauffer, J. Bouvier +2
By collecting optical and infrared photometry and low resolution spectroscopy, we have identified a large number of low mass stars and brown dwarf candidates belonging to the young…
astro-ph2002
The low mas end of the young cluster IC2391
David Barrado y Navascues, John R. Stauffer
By collecting optical and infrared photometry, as well as medium resolution spectroscopy, we have discovered a sample of low mass stars and brwon dwarfs in the young cluster IC2391…