2 papers
astro-ph1999
Deep Photometric Survey of IC2391
D. Barrado y Navascues, J. R. Stauffer, C. Briceño
We present a deep survey of the young southern cluster IC2391. We have covered 2 sq. degrees in the R,I filter. We have selected several dozens VLM stars and BD candidates based on…
astro-ph1996
A Precision Age Determination Technique for Globular Clusters
Brian Chaboyer, Pierre Demarque, Peter Kernan +2
Globular cluster age estimates based on the absolute magnitude of the main sequence turn-off (\mvto) are generally considered to be the most reliable from a theoretical viewpoint.…