Herschel Observations of Galaxy Clusters: Gravitationally Lensed Galaxies and IR/Submm-Bright Cluster Members

Details Herschel Observations of Galaxy Clusters: Gravitationally Lensed Galaxies and IR/Submm-Bright Cluster Members Herschel Observations of Galaxy Clusters: Gravitationally Lensed Galaxies and IR/Submm-Bright Cluster Members

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21620004e&link_type=abstract

American Astronomical Society, AAS Meeting #216, #200.04; Bulletin of the American Astronomical Society, Vol. 41, p.843

Astronomy and Astrophysics

Astronomy

Scientific paper

One important component of Herschel extragalactic programs is observations of massive galaxy clusters. These observations will not only allow us to study the evolution of galaxies in a dense environment but also enable us to detect galaxies below the Herschel's confusion limit through the effect of gravitational lensing. In this talk, I will report the initial results from three open-time (OT) key programs, "The Herschel Lensing Survey" (PI: Eiichi Egami), "LoCuSS: A Legacy Survey of Galaxy Clusters at z=0.2" (PI: Graham Smith), and "Constraining the Cold Gas and Dust in Cluster Cooling Flows" (PI: Alastair Edge). The first program conducts deep PACS/SPIRE imaging of cluster cores and studies gravitationally lensed high-redshift galaxies while the second program performs wide-field (30'x30') PACS imaging of z 0.2 clusters and examines the IR/submm activities of cluster member galaxies. The third program carries out PACS/SPIRE photometry and PACS spectroscopy of the brightest cluster galaxies in so-called cooling-flow clusters. The initial results from guaranteed-time (GT) cluster programs will also be reporeted. Together, these OT/GT galaxy cluster programs will provide information on the properties and evolution of galaxies that are not accessible through blank-field surveys.

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