Hostname: page-component-cd9895bd7-q99xh Total loading time: 0 Render date: 2024-12-26T20:22:01.431Z Has data issue: false hasContentIssue false

Candidate Brown Dwarfs in Orion OB1b

Published online by Cambridge University Press:  26 May 2016

W. H. Sherry
Affiliation:
Department of Physics & Astronomy, SUNY at Stony Brook, Stony Brook NY 11794–3800
F. M. Walter
Affiliation:
Department of Physics & Astronomy, SUNY at Stony Brook, Stony Brook NY 11794–3800
S. J. Wolk
Affiliation:
Center for Astrophysics, 60 Garden St., Cambridge MA 02138

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We have photometrically identified eleven candidate brown dwarfs in 0.2 deg2 of the Orion OB1b association. This is consistent with a rising mass function down to ~0.06M. Assuming the IMF of Kroupa (2002) this suggests a population of 40–200 brown dwarfs per deg2 (0.01M<0.075M).

Type
Part 2. Observations of Recently Born Substellar Objects
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

Baraffe, I., Chabrier, G., Allard, F., & Hauschildt, P. 1998, A&A, 337, 403 Google Scholar
Kroupa, P. 2002, Science 295, 82 CrossRefGoogle Scholar
Leggett, S. K. 1992, ApJS 82, 351 CrossRefGoogle Scholar
Luhman, K. 1999, ApJ 525, 466 Google Scholar
Walter, F. M., Alcalá, J. M., Neuhäuser, R., Sterzik, M., & Wolk, S. J. 2000, in Protostars and Planets IV , Mannings, V., Boss, A. P., and Russell, S. S. (Tucson: University of Arizona), 273 Google Scholar