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A large population of galaxies 9 to 12 billion years back in the history of the Universe

O. Le Fèvre (), S. Paltani, S. Arnouts, S. Charlot, S. Foucaud, O. Ilbert, H. J. McCracken, G. Zamorani, D. Bottini, B. Garilli, V. Le Brun, D. Maccagni, J. P. Picat, R. Scaramella, M. Scodeggio, L. Tresse, G. Vettolani, A. Zanichelli, C. Adami, S. Bardelli, M. Bolzonella, A. Cappi, P. Ciliegi, T. Contini, P. Franzetti, I. Gavignaud, L. Guzzo, A. Iovino, B. Marano, C. Marinoni, A. Mazure, B. Meneux, R. Merighi, R. Pellò, A. Pollo, L. Pozzetti, M. Radovich, E. Zucca, M. Arnaboldi, M. Bondi, A. Bongiorno, G. Busarello, L. Gregorini, F. Lamareille, G. Mathez, Y. Mellier, P. Merluzzi, V. Ripepi and D. Rizzo
Additional contact information
O. Le Fèvre: Université de Provence Aix-Marseille I
S. Paltani: Université de Provence Aix-Marseille I
S. Arnouts: Université de Provence Aix-Marseille I
S. Charlot: Max Planck Institut fur Astrophysik
S. Foucaud: IASF-INAF
O. Ilbert: Université de Provence Aix-Marseille I
H. J. McCracken: Institut d'Astrophysique de Paris, UMR 7095
G. Zamorani: INAF, Osservatorio Astronomico di Bologna
D. Bottini: IASF-INAF
B. Garilli: IASF-INAF
V. Le Brun: Université de Provence Aix-Marseille I
D. Maccagni: IASF-INAF
J. P. Picat: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)
R. Scaramella: IRA-INAF
M. Scodeggio: IASF-INAF
L. Tresse: Université de Provence Aix-Marseille I
G. Vettolani: IRA-INAF
A. Zanichelli: IRA-INAF
C. Adami: Université de Provence Aix-Marseille I
S. Bardelli: INAF, Osservatorio Astronomico di Bologna
M. Bolzonella: Università di Bologna, Dipartimento di Astronomia
A. Cappi: INAF, Osservatorio Astronomico di Bologna
P. Ciliegi: INAF, Osservatorio Astronomico di Bologna
T. Contini: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)
P. Franzetti: IASF-INAF
I. Gavignaud: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)
L. Guzzo: INAF, Osservatorio Astronomico di Brera
A. Iovino: INAF, Osservatorio Astronomico di Brera
B. Marano: Università di Bologna, Dipartimento di Astronomia
C. Marinoni: INAF, Osservatorio Astronomico di Brera
A. Mazure: Université de Provence Aix-Marseille I
B. Meneux: Université de Provence Aix-Marseille I
R. Merighi: INAF, Osservatorio Astronomico di Bologna
R. Pellò: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)
A. Pollo: INAF, Osservatorio Astronomico di Brera
L. Pozzetti: INAF, Osservatorio Astronomico di Bologna
M. Radovich: INAF, Osservatorio Astronomico di Capodimonte
E. Zucca: INAF, Osservatorio Astronomico di Bologna
M. Arnaboldi: INAF, Osservatorio Astronomico di Capodimonte
M. Bondi: IRA-INAF
A. Bongiorno: Università di Bologna, Dipartimento di Astronomia
G. Busarello: INAF, Osservatorio Astronomico di Capodimonte
L. Gregorini: IRA-INAF
F. Lamareille: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)
G. Mathez: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)
Y. Mellier: Institut d'Astrophysique de Paris, UMR 7095
P. Merluzzi: INAF, Osservatorio Astronomico di Capodimonte
V. Ripepi: INAF, Osservatorio Astronomico di Capodimonte
D. Rizzo: Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (UMR 5572)

Nature, 2005, vol. 437, issue 7058, 519-521

Abstract: Well red A survey of the distant Universe has revealed a much larger population of star-forming galaxies at high cosmological redshift than was previously known. A count of 970 galaxies with redshifts between 1.4 and 5 is a several-fold increase on previous estimates. Knowledge of the number of galaxies present in the Universe at each epoch is an important constraint on models of galaxy evolution.

Date: 2005
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DOI: 10.1038/nature03979

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