2009

z~7 Galaxies in the HUDF: First Epoch WFC3/IR Results

Oesch, P. A., Bouwens, R. J., Illingworth, G. D. et al.

Understand

We present a sample of 16 robust z~7 z-drop galaxies detected by the newly installed WFC3/IR camera on the Hubble Space Telescope.

Our analysis is based on the first epoch data of the HUDF09 program covering the Hubble Ultra Deep Field with 60 orbits of Y, J, and H observations.
These remarkable data cover 4.7 arcmin^2 and are the deepest NIR images ever taken, reaching to ~29 mag AB (5 sigma).
The 16 z~6.5-7.5 galaxies have been identified based on the Lyman Break technique utilizing (z-Y) vs.

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