Size evolution of the most massive galaxies at 1.7<z<3 from GOODS NICMOS survey imaging

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  • 25 July 2008
Abstract
We measure the sizes of 77 massive (M>10^11 M_sun) galaxies at 1.72 our results are compatible with both a leveling off, or a mild evolution in size. Furthermore, the high density (~2x10^10 M_sun kpc^-3) of massive galaxies at these redshifts, which are similar to present day globular clusters, possibly makes any further evolution in sizes beyond z=3 unlikely.

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