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Very Low Mass Stars and Brown Dwarfs of the Young Open Cluster IC2391 | D. Barrado y Navascués
; John R. Stauffer
; César Brice~no
; Brian Patten
; Nigel C. Hambly
; Joseph D. Adams .
; | Date: |
27 Nov 2000 | Subject: | astro-ph | Affiliation: | 1,2), John R. Stauffer (3,4), César Brice~no , Brian Patten , Nigel C. Hambly , Joseph D. Adams . (, Max-Planck-Institut für Astronomie. Universidad Autonoma de Madrid, Harvard--Smithsonian Center for Astrophysics, IPAC, Centro de Inve | Abstract: | We have identified a large sample of probable low mass members of the young open cluster IC2391 based on optical (VRIZ) and Infrared (JHK$_s$) photometry. Our sample includes 50 probable members and 82 possible members, both very low mass stars and brown dwarfs. We also provide accurate positions for these stars and brown dwarf candidates derived from red UK Schmidt plates measured using the microdensitometer SuperCOSMOS. Assuming an age of 53 Myr, we estimate that we have reached a mass of 0.025 M$_odot$, if the identified objects are indeed members of IC2391. | Source: | arXiv, astro-ph/0011492 | Services: | Forum | Review | PDF | Favorites |
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