Journal
ASTROPHYSICAL JOURNAL
Volume 745, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/745/2/155
Keywords
galaxies: high-redshift; gravitational lensing: strong; gravitational lensing: weak
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Funding
- NASA from the Space Telescope Science Institute (STScI) [HST-GO-10200, HST-GO-10863, HST-GO-11099]
- NASA [NAS 5-26555, NNX08AD79G]
- NSF [NSF-0642621]
- Sloan Foundation
- Packard Foundation
- NASA [103019, NNX08AD79G] Funding Source: Federal RePORTER
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We use imaging obtained with the Hubble Space Telescope Wide Field Camera 3 to search for z(850) dropouts at z similar to 7 and J(110) dropouts at z similar to 9 lensed by the Bullet Cluster. In total we find 10 z850 dropouts in our 8.27 arcmin(2) field. Using magnification maps from a combined weak-and strong-lensing mass reconstruction of the Bullet Cluster and correcting for estimated completeness levels, we calculate the surface density and luminosity function of our z850 dropouts as a function of intrinsic (accounting for magnification) magnitude. We find results consistent with published blank field surveys, despite using much shallower data, and demonstrate the effectiveness of cluster surveys in the search for z similar to 7 galaxies.
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