Fig. 5 from First‐Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters

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First‐Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters

Authors: D. N. Spergel, L. Verde, H. V. Peiris, E. Komatsu, M. R. Nolta, C. L. Bennett, M. Halpern, G. Hinshaw, N. Jarosik, A. Kogut, M. Limon, S. S. Meyer, L. Page, G. S. Tucker, J. L. Weiland, E. Wollack, and E. L. Wright

Spergel et al. 2003 The Astrophysical Journal Supplement Series 148 175.

Provider: AAS Journals

Caption: Fig. 5.

Spectral index constraints. Left: ﹩n_{s}- \tau ﹩ degeneracy in the WMAP data for a power‐law ΛCDM model. The TE observations constrain the value of τ and the shape of the ﹩C^{\mathrm{TT}\,}_{l}﹩ spectrum constrain a combination of ﹩n_{s}﹩ and τ. Right: ﹩n_{s}- \Omega _{b}h^{2}﹩ degeneracy. The shaded regions show the joint 1 and 2 σ confidence regions.

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