Planck 2015 results
Free Access

Fig. 49


Dependence of the determination of the adiabatic spectral index nℛℛ (called ns in the other sections of this paper) on the primordial isocurvature fraction βiso and correlation fraction cosΔ, with Planck TT+lowP data (dashed contours) and with Planck TT, TE, EE+lowP data (shaded regions).

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