First‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Preliminary Maps and Basic Results

L. Bennett, C.; Halpern, M.; Hinshaw, G.; Jarosik, N.; Kogut, A.; Limon, M.; S. Meyer, S.; A. Page, Lyman; N. Spergel, David; S. Tucker, Gregory; J. Wollack, Edward; L. Wright, E.; Barnes, C.; R. Greason, M.; Hill, Robert; Komatsu, Eiichiro; R. Nolta, Michael; Odegard, N.; V. Peiris, Hiranya; Verde, Licia; L. Weiland, J.

doi:10.1086/377253

Public

First‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Preliminary Maps and Basic Results

Published in The Astrophysical Journal Supplement Series • Aug 19, 2003

Authors:

C. L. Bennett

M. Halpern

G. Hinshaw

Abstract

We present full sky microwave maps in five frequency bands (23 to 94 GHz) from the WMAP first year sky survey. Calibration errors are less than 0.5% and the low systematic error level is well specified. The cosmic microwave background (CMB) is separated from the foregrounds using multifrequency data...

Subject

Reionization

CMB cold spot

Physics

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