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

Dye, Simon, Dunne, L., Eales, Stephen Anthony, Smith, D. J. B., Amblard, A., Auld, Robbie Richard, Baes, M., Baldry, I. K., Bamford, S., Blain, A. W., Bonfield, D. G., Bremer, M., Burgarella, D., Buttiglione, S., Cameron, E., Cava, A., Clements, D. L., Cooray, A., Croom, S., Dariush, Aliakbar, de Zotti, G., Driver, S., Dunlop, J. S., Frayer, D., Fritz, J., Gardner, Jonathan P., Gomez, Haley Louise, Gonzalez-Nuevo, J., Herranz, D., Hill, D., Hopkins, A., Ibar, E., Ivison, R. J., Jarvis, M. J., Jones, D. H., Kelvin, L., Lagache, G., Leeuw, L., Liske, J., Lopez-Caniego, M., Loveday, J., Maddox, S., Michalowski, M. J., Negrello, Mattia, Norberg, P., Page, M. J., Parkinson, H., Pascale, Enzo, Peacock, J. A., Pohlen, Michael, Popescu, C., Prescott, M., Rigopoulou, D., Robotham, A., Rigby, E., Rodighiero, G., Samui, S., Scott, D., Serjeant, S., Sharp, R., Sibthorpe, B., Temi, P., Thompson, M. A., Tuffs, R., Valtchanov, I., van der Werf, P. P., van Kampen, E. and Verma, A. 2010. Herschel-ATLAS: Evolution of the 250 µm luminosity function out to z=0.5 [Letter]. Astronomy and Astrophysics 518 , L10. 10.1051/0004-6361/201014614

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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+1.4-0.9 times higher than the local value.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: galaxies: luminosity function, mass function; cosmology: observations; large-scale structure of Universe
Additional Information: 5 pp.
Publisher: EDP Sciences
ISSN: 0004-6361
Last Modified: 06 Sep 2020 15:04

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