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arXiv:astro-ph/0011492 (astro-ph)
[Submitted on 27 Nov 2000]

Title:Very Low Mass Stars and Brown Dwarfs of the Young Open Cluster IC2391

Authors:D. Barrado y Navascués (1,2), John R. Stauffer (3,4), César Briceño (5), Brian Patten (3), Nigel C. Hambly (6), Joseph D. Adams (7). ((1), Max-Planck-Institut für Astronomie. (2) Universidad Autonoma de Madrid, (3) Harvard--Smithsonian Center for Astrophysics, (4) IPAC, (5) Centro de Investigaciones de Astronomía, (6) Institute for Astronomy, University of Edinburgh. (7) University of Massachusetts)
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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.
Comments: Accepted ApJ
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0011492
  (or arXiv:astro-ph/0011492v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0011492
Related DOI: https://doi.org/10.1086/320359

Submission history

From: David Barrado y Navascues [view email]
[v1] Mon, 27 Nov 2000 16:21:51 UTC (128 KB)
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