期刊
ASTRONOMY & ASTROPHYSICS
卷 518, 期 -, 页码 -出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201014696
关键词
infrared: galaxies; submillimeter: galaxies; galaxies: evolution; galaxies: high-redshift; galaxies: clusters: general
资金
- International Space Science Institute in Berne
- NASA
- STFC [PP/E001203/1, ST/F002963/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/E001203/1, ST/F002963/1, PP/E001181/1] Funding Source: researchfish
The Herschel Lensing Survey (HLS) will conduct deep PACS and SPIRE imaging of similar to 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.
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