In a companion Letter (Arnouts et al.) we present new measurements of the galaxy luminosity function at 1500 Angstrom out to z similar to 1 using Galaxy Evolution Explorer VIMOS-VLT Deep Survey observations (1039 galaxies with NUV less than or equal to 24.5 and z > 0.2) and at higher z using existing data sets. In this Letter we use the same sample to study evolution of the FUV luminosity density rho(1500). We detect evolution consistent with a (1+z)(2.5+/-0.7) rise to z similar to 1 and (1 + z)(0.5+/-0.4) for z > 1. The luminosity density from the most UV-luminous galaxies (UVLGs) is undergoing dramatic evolution (30 times) between 0 < z < 1. UVLGs are responsible for a significant fraction (>25%) of the total far-ultraviolet luminosity density at z similar to 1. We measure dust attenuation and star formation rates of our sample galaxies and determine the star formation rate density ((rho) over dot(*)) as a function of redshift, both uncorrected and corrected for dust. We find good agreement with other measures of (rho) over dot(*) in the rest ultraviolet and Halpha given the still significant uncertainties in the attenuation correction.
The galex-VVDS measurement of the evolution of the far-ultraviolet luminosity density and the cosmic star formation rate / D. Schiminovich, O. Ilbert, S. Arnouts, B. Milliard, L. Tresse, O. Le Fèvre, M. Treyer, T.K. Wyder, T. Budavári, E. Zucca, G. Zamorani, D.C. Martin, C. Adami, M. Arnaboldi, S. Bardelli, T. Barlow, L. Bianchi, M. Bolzonella, D. Bottini, Y.-. Byun, A. Cappi, T. Contini, S. Charlot, J. Donas, K. Forster, S. Foucaud, P. Franzetti, P.G. Friedman, B. Garilli, I. Gavignaud, L. Guzzo, T.M. Heckman, C. Hoopes, A. Iovino, P. Jelinsky, V. Le Brun, Y.-. Lee, D. Maccagni, B.F. Madore, R. Malina, B. Marano, C. Marinoni, H.J. Mccracken, A. Mazure, B. Meneux, P. Morrissey, S. Neff, S. Paltani, R. Pellò, J.P. Picat, A. Pollo, L. Pozzetti, M. Radovich, R.M. Rich, R. Scaramella, M. Scodeggio, M. Seibert, O. Siegmund, T. Small, A.S. Szalay, G. Vettolani, B. Welsh, C.K. Xu, A. Zanichelli. - In: THE ASTROPHYSICAL JOURNAL. - ISSN 0004-637X. - 619:1 pt 2(2005), pp. L47-L50. [10.1086/427077]
The galex-VVDS measurement of the evolution of the far-ultraviolet luminosity density and the cosmic star formation rate
L. Guzzo;
2005
Abstract
In a companion Letter (Arnouts et al.) we present new measurements of the galaxy luminosity function at 1500 Angstrom out to z similar to 1 using Galaxy Evolution Explorer VIMOS-VLT Deep Survey observations (1039 galaxies with NUV less than or equal to 24.5 and z > 0.2) and at higher z using existing data sets. In this Letter we use the same sample to study evolution of the FUV luminosity density rho(1500). We detect evolution consistent with a (1+z)(2.5+/-0.7) rise to z similar to 1 and (1 + z)(0.5+/-0.4) for z > 1. The luminosity density from the most UV-luminous galaxies (UVLGs) is undergoing dramatic evolution (30 times) between 0 < z < 1. UVLGs are responsible for a significant fraction (>25%) of the total far-ultraviolet luminosity density at z similar to 1. We measure dust attenuation and star formation rates of our sample galaxies and determine the star formation rate density ((rho) over dot(*)) as a function of redshift, both uncorrected and corrected for dust. We find good agreement with other measures of (rho) over dot(*) in the rest ultraviolet and Halpha given the still significant uncertainties in the attenuation correction.
| File | Dimensione | Formato | |
|---|---|---|---|
|
Schiminovich_2005_ApJ_619_L47.pdf
accesso aperto
Tipologia:
Publisher's version/PDF
Dimensione
528.46 kB
Formato
Adobe PDF
|
528.46 kB | Adobe PDF | Visualizza/Apri |
Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
