Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007rmxac..29..132p&link_type=abstract
First Light Science with the GTC (Eds. R. Guzmán, C. Packham, J. M. Rodríguez-Espinosa, & S. Torres-Peimbert) Revista Mexicana d
Astronomy and Astrophysics
Astronomy
Cosmology: Early Universe, Galaxies: Evolution, Galaxies: High Redshift, Infrared: Galaxies
Scientific paper
We present the results obtained from our deep survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z ˜ 6-11. Lensing magnification improves the search efficiency and subsequent spectroscopic studies with the new generation of NIR multi-object spectrographs (e.g. EMIR/GTC). The UV Luminosity Function derived from the photometric sample of candidates does not show the turnover observed at z ˜ 6-7 by Bouwens et al. (2005) towards the bright end. For this reason, the SFR density is consistent with a constant value up to z ˜ 10. This systematic trend with respect to blank fields could be due to field-to-field variance, positive magnification bias from mid-z EROs, and/or residual contamination by spurious sources.
Hempel Angela
Kneib Jean Paul
Le Borgne Jean-Franc
Pello' Roser
Richard Jacques
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