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Stauffer (2) Ray Jayawardhana (3) ((1) Laboratorio de Astrofisica Espacial y Fisica Fundamental, LAEFF-INTA, Spain (2) IPAC, University of Michigan, USA), USA (3) Department of Astronomy","submitted_at":"2004-06-19T15:33:34Z","abstract_excerpt":"We have obtained intermediate-resolution optical spectroscopy of 44 candidate very low mass members of the nearby young open cluster IC2391. Of these, 26 spectra are totally new, 14 were already analyzed in a previous paper and another four are in common.\n  These spectra, taken at the Cerro Tololo 4-meter and Magellan I and II telescopes, allow us to confirm 33 of them as likely cluster members, based on their spectral types, presence of Li, and Halpha emission. 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