All-Sky Catalog of Massive Clusters from Planck

Details All-Sky Catalog of Massive Clusters from Planck All-Sky Catalog of Massive Clusters from Planck

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sptz.prop80162l&link_type=abstract

Spitzer Proposal ID #80162

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Scientific paper

The most massive galaxy clusters are a scarce and highly prized resource for cosmological and astrophysical studies. Being rare, they are best found in all-sky surveys, the most recent of which, the ROSAT All-Sky Survey (RASS), dates back to the early 1990s. The all-sky cluster survey from the Planck mission, currently underway, will push significantly deeper than the RASS, and find the most massive clusters across the whole sky. We propose IRAC observations to: 1)~validate high redshift candidates; 2)~provide key data for photometric redshifts of the high redshift clusters; and 3)~measure the stellar mass of the high redshift clusters. Spitzer's capability in these areas is unmatched.

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