2005A&A...439..863I

Query : 2005A&A...439..863I

2005A&A...439..863I - Astronomy and Astrophysics, volume 439863-876 (2005/9-1)

The VIMOS-VLT deep survey. Evolution of the galaxy luminosity function up to z = 2 in first epoch data.

ILBERT O., TRESSE L., ZUCCA E., BARDELLI S., ARNOUTS S., ZAMORANI G., POZZETTI L., BOTTINI D., GARILLI B., LE BRUN V., LE FEVRE O., MACCAGNI D., PICAT J.-P., SCARAMELLA R., SCODEGGIO M., VETTOLANI G., ZANICHELLI A., ADAMI C., ARNABOLDI M., BOLZONELLA M., CAPPI A., CHARLOT S., CONTINI T., FOUCAUD S., FRANZETTI P., GAVIGNAUD I., GUZZO L., IOVINO A., McCRACKEN H.J., MARANO B., MARINONI C., MATHEZ G., MAZURE A., MENEUX B., MERIGHI R., PALTANI S., PELLO R., POLLO A., RADOVICH M., BONDI M., BONGIORNO A., BUSARELLO G., CILIEGI P., LAMAREILLE F., MELLIER Y., MERLUZZI P., RIPEPI V. and RIZZO D.

Abstract (from CDS):

We investigate the evolution of the galaxy luminosity function from the VIMOS-VLT Deep Survey (VVDS) from the present to z=2 in five (U, B, V, R and I) rest-frame band-passes. We use the first epoch VVDS deep sample of 11034 spectra selected at 17.5≤IAB≤24.0, on which we apply the Algorithm for Luminosity Function (ALF), described in this paper. We observe a substantial evolution with redshift of the global luminosity functions in all bands. From z=0.05 to z=2, we measure a brightening of the characteristic magnitude M* included in the magnitude range 1.8-2.5, 1.7-2.4, 1.2-1.9, 1.1-1.8 and 1.0-1.6 in the U, B, V, R and I rest-frame bands, respectively. We confirm this differential evolution of the luminosity function with rest-frame wavelength from the measurement of the comoving density of bright galaxies (M≤M*(z=0.1)). This density increases by a factor of around 2.6, 2.2, 1.8, 1.5, 1.5 between z=0.05 and z=1 in the U, B, V, R, I bands, respectively. We also measure a possible steepening of the faint-end slope of the luminosity functions, with Δα~-0.3 between z=0.05 and z=1, similar in all bands.

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Journal keyword(s): surveys - galaxies: evolution - galaxies: luminosity function - mass function - galaxies: statistics

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 QSO B0055-26 QSO 00 57 58.0253990928 -26 43 14.750912928   17.90 17.47 17.99   ~ 152 1
2 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
3 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1967 1
4 NAME HDF-S reg 22 32 56 -60 33.0           ~ 580 0

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