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A&A 395, 747-751 (2002)
DOI: 10.1051/0004-6361:20021275
Blind statistical indicators of the kinetic Sunyaev-Zel'dovich anisotropies
M. Sorel, N. Aghanim and O. ForniIAS-CNRS, Université Paris Sud, Bâtiment 121, 91405 Orsay Cedex, France
(Received 9 July 2002 / Accepted 30 August 2002)
Abstract
We report on a study aiming at characterising the
kinetic Sunyaev-Zel'dovich (KSZ) effect through statistical criteria
that can blindly indicate the presence of secondary anisotropies
due to KSZ effect buried in the Cosmic Microwave Background (CMB)
anisotropies. We show, using simulated maps,
that some properties of
the covariance coefficient between thermal
Sunyaev-Zel'dovich (TSZ) and the temperature fluctuation map can be used
in that purpose.
Key words: cosmology: cosmic microwave background -- methods: statistical
Offprint request: M. Sorel, Maud.Sorel@ias.u-psud.fr
© ESO 2002
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