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The Herschel Lensing Survey (HLS) : overview.

Egami, E. and Rex, M. and Rawle, T.D. and Pérez-González, P.G. and Richard, J. and Kneib, J.-P. and Schaerer, D. and Altieri, B. and Valtchanov, I. and Blain, A.W. and Fadda, D. and Zemcov, M. and Bock, J.J. and Boone, F. and Bridge, C.R. and Clement, B. and Combes, F. and Dessauges-Zavadsky, M. and Dowell, C.D. and Ilbert, O. and Ivison, R.J. and Jauzac, M. and Lutz, D. and Metcalfe, L. and Omont, A. and Pelló, R. and Pereira, M.J. and Rieke, G.H. and Rodighiero, G. and Smail, I. and Smith, G.P. and Tramoy, G. and Walth, G.L. and van der Werf, P. and Werner, M.W. (2010) 'The Herschel Lensing Survey (HLS) : overview.', Astronomy & astrophysics., 518 . L12.


The Herschel Lensing Survey (HLS) will conduct deep PACS and SPIRE imaging of ~40 massive clusters of galaxies. The strong gravitational lensing power of these clusters will enable us to penetrate through the confusion noise, which sets the ultimate limit on our ability to probe the Universe with Herschel. Here we present an overview of our survey and a summary of the major results from our science demonstration phase (SDP) observations of the Bullet cluster (z = 0.297). The SDP data are rich and allow us to study not only the background high-redshift galaxies (e.g., strongly lensed and distorted galaxies at z = 2.8 and 3.2) but also the properties of cluster-member galaxies. Our preliminary analysis shows a great diversity of far-infrared/submillimeter spectral energy distributions (SEDs), indicating that we have much to learn with Herschel about the properties of galaxy SEDs. We have also detected the Sunyaev-Zel'dovich (SZ) effect increment with the SPIRE data. The success of this SDP program demonstrates the great potential of the Herschel Lensing Survey to produce exciting results in a variety of science areas.

Item Type:Article
Keywords:Infrared, Galaxies, Submillimeter, Evolution, High-redshift, Clusters.
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Date accepted:No date available
Date deposited:14 June 2013
Date of first online publication:July 2010
Date first made open access:No date available

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