Computer Science
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd...7e...3p&link_type=abstract
The Universe at z > 6, 26th meeting of the IAU, Joint Discussion 7, 17-18 August 2006, Prague, Czech Republic, JD07, #3
Computer Science
Scientific paper
This talk reviews the main results recently obtained on the identification and study of very high-z galaxies using lensing clusters as natural gravitational telescopes. We present the last results of a deep near-IR survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z~6-12. Photometric selection criteria of optical-dropouts were specifically tuned to target star-forming galaxies in this redshift domain. These data were used to constrain the luminosity function of z>6 photometric candidates, and to derive an upper limit for the UV SFR density. The results obtained in lensing fields will be discussed and compared to deep blank-field findings. We also summarize the present state of the spectroscopic follow-up of photometric candidates in lensing clusters using VLT ISAAC and FORS, and the future observations planned with EMIR/GTC.
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