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Circumstellar Disks in Very Young Embedded Clusters

Published online by Cambridge University Press:  06 January 2014

Naibí Mariñas ,
Elizabeth A. Lada ,
Paula S. Teixeira  and
Charles J. Lada
Naibí Mariñas
Affiliation:
Astronomy Department, University of Florida, Gainesville, FL 32611
Elizabeth A. Lada
Affiliation:
Astronomy Department, University of Florida, Gainesville, FL 32611
Paula S. Teixeira
Affiliation:
University of Vienna, Tuerkenschanzstrasse 17, 1180, Vienna, Austria
Charles J. Lada
Affiliation:
Harvard-Smithsonian CFA, Cambridge, MA
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Abstract

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We used FLAMINGOS near-IR photometry and spectroscopy and Spitzer mid-IR photometry to study disk fractions in the 1 to 2 Myr old NGC2264 clusters. We find that stars with masses < 0.3 solar masses have lower disk fractions than stars of solar mass or higher at these early ages. We also find that most disks disappear within the first 4 Myr, which is consistent with previous studies of disk lifetimes. Our study suggests that either some very low mass stars form without disks or that their disks are less massive and/or colder than predicted from models and not detected with Spitzer/Flamingos sensitivities.

Keywords

stars: pre-main-sequencestars: circumstellar matter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S299: Exploring the Formation and Evolution of Planetary Systems , June 2013 , pp. 165 - 166
Copyright
Copyright © International Astronomical Union 2013 

References

Baraffe, I., Chabrier, G., Allard, F., & Hauschildt, P. H. 1998, A&A, 337, 403Google Scholar
Carpenter, J. M., Mamajek, E. E., Hillenbrand, L. A.et al., 2006, ApJL, 651, 49Google Scholar
Chabrier, G., Baraffe, I., Allard, F., & Hauschildt, P. 2000, ApJ, 542, 464Google Scholar
Haisch, K. E. Jr, Lada, E. A., & Lada, C. J. 2000, AJ, 120, 1396Google Scholar
Haisch, K. E. Jr., Lada, E. A., & Lada, C. J. 2001, AJ, 121, 2065CrossRefGoogle Scholar
Hernandez, J., Hartmann, L., Calvet, N.et al., 2008, ApJ, 686, 119CrossRefGoogle Scholar
Kenyon, S. J. & Hartmann, L. 1995, ApJS, 101, 117Google Scholar
Lada, C. J., Muench, A. A., Luhman, K. L.et al., 2006, AJ, 131, 1574CrossRefGoogle Scholar
Luhman, K. L., Stauffer, J. R., Muench, A. A., Rieke, G. H.et al., 2003, ApJL, 593, 1093CrossRefGoogle Scholar
Luhman, K. L., Allen, P. R., Espaillat, C., Hartmann, L., & Calvet, N. 2010, ApJS, 186, 111Google Scholar
Marinas, N., Lada, E. A., Teixeira, P. S., & Lada, C. J. 2013, ApJ, 772CrossRefGoogle Scholar
Siess, L., Dufour, E., & Forestini, M. 2000, A&A, 358, 593Google Scholar