We have carried out two extremely deep surveys with SPIRE, one of the two cameras on Herschel, at 250 mu m, close to the peak of the far-infrared background. We have used the results to investigate the evolution of the rest-frame 250-mu m luminosity function out to z = 2. We find evidence for strong evolution out to z similar or equal to 1 but evidence for at most weak evolution beyond this redshift. Our results suggest that a significant part of the stars and metals in the universe today were formed at z <= 1.4 in spiral galaxies.

First results from HerMES on the evolution of the submillimetre luminosity function / Eales, S.a., Raymond, G., Roseboom, I.g., Altieri, B., Amblard, A., Arumugam, V., Auld, R., Aussel, H., Babbedge, T., Blain, A., Bock, J., Boselli, A., Brisbin, D., Buat, V., Burgarella, D., Castro-Rodriguez, N., Cava, A., Chanial, P., Clements, D.l., Conley, A., et al.. - In: ASTRONOMY & ASTROPHYSICS. - ISSN 1432-0746. - 518:(2010). [10.1051/0004-6361/201014675]

First results from HerMES on the evolution of the submillimetre luminosity function

Strazzullo V;
2010-01-01

Abstract

We have carried out two extremely deep surveys with SPIRE, one of the two cameras on Herschel, at 250 mu m, close to the peak of the far-infrared background. We have used the results to investigate the evolution of the rest-frame 250-mu m luminosity function out to z = 2. We find evidence for strong evolution out to z similar or equal to 1 but evidence for at most weak evolution beyond this redshift. Our results suggest that a significant part of the stars and metals in the universe today were formed at z <= 1.4 in spiral galaxies.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2956957
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