Astronomy and Astrophysics – Astrophysics
Scientific paper
1996-05-31
Astronomy and Astrophysics
Astrophysics
8 pages including 4 figures, invited talk to appear in The Early Universe with VLT (Springer)
Scientific paper
We present deep BVrI multicolor photometry in the field of the quasar BR1202-07 (z_{em}=4.694) aimed at selecting field galaxies at z>4. We compare the observed colors of the galaxies in the field with those predicted by spectral synthesis models including UV absorption by the intergalactic medium and we define a robust multicolor selection of galaxies at z>4. We provide spectroscopic confirmation of the high redshift QSO-companion galaxy (z=4.702) selected by our method. The first estimate of the surface density of galaxies in the redshift interval 4
Charlot Stephane
Cristiani Stefano
D'Odorico Sandro
Fontana Adriano
Giallongo Emanuele
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