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Hidden and Visible Star Formation: new insights from Herschel

Published online by Cambridge University Press:  05 December 2011

V. Buat ,
E. Giovannoli  and
S. Heinis
V. Buat
Affiliation:
Laboratoire d'Astrophysique de Marseille, Technopole de Chateau Gombert 13388 Marseille cedex 13, FRANCE
E. Giovannoli
Affiliation:
Laboratoire d'Astrophysique de Marseille, Technopole de Chateau Gombert 13388 Marseille cedex 13, FRANCE
S. Heinis
Affiliation:
Laboratoire d'Astrophysique de Marseille, Technopole de Chateau Gombert 13388 Marseille cedex 13, FRANCE
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Abstract

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Herschel opens a large field of investigations on the hidden star formation in galaxies. Combining UV and far-IR rest-frame data allows us to measure all the star formation in galaxies and to estimate the net dust attenuation. The analysis can be performed from the local universe using far-IR and GALEX surveys to high z (up to z < 2) by combining deep U data with the Herschel observations of the HerMES project.

The calibration of dust attenuation, and then star formation rate, is reinvestigated. We present the results of the first analyses performed with Herschel data obtained in the Lockman and COSMOS fields as part of the HerMES project and discuss the reliability of dust attenuation corrections.

Keywords

galaxies: evolution-galaxies: stellar content-infrared: galaxies-ultraviolet: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S277: Tracing the Ancestry of Galaxies (on the land of our ancestors) , December 2010 , pp. 5 - 8
Copyright
Copyright © International Astronomical Union 2011

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