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The build-up of mass in UV-selected sub-L* Galaxies at z~2

Published online by Cambridge University Press:  05 December 2011

Marcin Sawicki
Marcin Sawicki*
Affiliation:
Saint Mary's University, Halifax, [email protected]
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Abstract

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Broadband spectral energy distribution (SED) fitting is used to study a deep sample of UV-selected sub-L* galaxies at z~2. They are found to be less dusty than L* galaxies, and to contribute more mass to the cosmic mass budget at this epoch than is inferred from shallower high-z surveys. Additionally, SFRs are found to be proportional to stellar masses over three orders of magnitude in mass; this phenomenon can be explained by assuming that new stars form out of gas that co-accretes along with dark matter onto the galaxies' dark matter halos, a scenario that naturally leads to SFRs that gradually increase with time.

Keywords

galaxies: evolutiongalaxies: high-redshift
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S277: Tracing the Ancestry of Galaxies (on the land of our ancestors) , December 2010 , pp. 287 - 290
Copyright
Copyright © International Astronomical Union 2011

References

Bertin, E. & Arnouts, S. 1996, A&A, 117, 393Google Scholar
Bruzual, G. & Charlot, S. 2003, MNRAS, 344, 1000CrossRefGoogle Scholar
Calzetti, D., et al. 2000, ApJ, 533, 682CrossRefGoogle Scholar
Cole, S., et al. 2001, MNRAS, 326, 255CrossRefGoogle Scholar
Daddi, E., et al. 2007, ApJ, 670, 156CrossRefGoogle Scholar
Elsner, F., Feulner, G, & Hopp, U. 2008, A&A, 477, 503Google Scholar
Fontana, A., et al. 2006, A&A, 459, 745Google Scholar
Gabasch, A. et al. 2004, A&A, 421, 41Google Scholar
Garn, T. & Best, P. N. 2010, MNRAS, 409, 421CrossRefGoogle Scholar
Lee, S.-K., Ferguson, H. C., Somerville, R. S., Wiklind, T., & Giavalisco, M. 2010, ApJ, 725, 1644CrossRefGoogle Scholar
Maraston, C., et al. 2010, MNRAS, 407, 830CrossRefGoogle Scholar
Pérez-González, P. G., et al. 2008, ApJ, 675, 234CrossRefGoogle Scholar
Reddy, N. & Steidel, C. C. 2009, ApJ, 692, 778CrossRefGoogle Scholar
Sawicki, M. 2011a, MNRAS, submittedGoogle Scholar
Sawicki, M. 2011b, PASP, in preparationGoogle Scholar
Sawicki, M., et al. 2007, in Astronomical Society of the Pacific Conference Series, “Deepest Astronomical Surveys”, eds. Afonso, J., Ferguson, H.C., Mobasher, B., & Norris, R., 433Google Scholar
Sawicki, M. & Thompson, D. 2006, ApJ, 642, 653CrossRefGoogle Scholar
Sawicki, M. & Yee, H. K. C. 1998, AJ, 115, 1329CrossRefGoogle Scholar
Shapley, A. E., Steidel, C. C., Adelberger, K. L., & Pettini, M. 2001, ApJ, 562, 95CrossRefGoogle Scholar
Steidel, C. C., Giavalisco, M., Dickinson, M., & Adelberger, K. L. 1996, AJ, 112, 352CrossRefGoogle Scholar
Yabe, K., et al. 2009, ApJ, 593, 507CrossRefGoogle Scholar