Herschel-ATLAS: Evolution of the 250 μm luminosity function out to z = 0.5

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URI: https://hdl.handle.net/10902/28234
ISSN: 0004-6361
ISSN: 1432-0746
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Autoría
Dye, Simon; Dunne, Loretta; Smith, Daniel J.B.; Amblard, Alexandre; Auld, Robbie; Baes, Maarten; Bladry, Ivan K.; Bamford, Steven; Blain, Andrew W.; Bonfield, David; Burgarella, Denis; Buttiglione, Sara; Cameron, Ewan; Cava, Antonio; Clements, David L.; Cooray, Asantha; González-Nuevo González, Joaquín; Herranz Muñoz, DiegoAutoridad Unican; López-Caniego Alcarria, Marcos; [et al.]
Fecha
2010
Derechos
© ESO 2010
Publicado en
Astronomy and Astrophysics, 2010, 518, L10
Editorial
EDP Sciences
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Palabras clave
Galaxies: luminosity function
Mass function
Cosmology: observations
Llarge-scale structure of Universe
Resumen/Abstract
We have determined the luminosity function of 250 μm-selected galaxies detected in the ~14 deg2 science demonstration region of the Herschel-ATLAS project out to a redshift of z = 0.5. Our findings very clearly show that the luminosity function evolves steadily out to this redshift. By selecting a sub-group of sources within a fixed luminosity interval where incompleteness effects are minimal, we have measured a smooth increase in the comoving 250 μm luminosity density out to z = 0.2 where it is 3.6-0.9+1.4 times higher than the local value.
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