Discriminating between unresolved point sources and "negative" SZ clusters in CMB maps

• Main Authors: Rubiño-Martín, J A, Sunyaev, R A
• Language: English
• Published: 2002
• Subjects: Astrophysics and Astronomy; Lambda; South Pole; South pole
• Online Access: http://cds.cern.ch/record/592327

Clusters of galaxies produce negative features at wavelengths $\lambda > 1.25$ mm in CMB maps, by means of the thermal SZ effect, while point radio sources produce positive peaks. This fact implies that a distribution of unresolved SZ clusters could be detected using the negative asymmetry introd...