NASA NTRS · 19960016406
Maximum-likelihood analysis of the COBE angular correlation function
Abstract
We have used maximum-likelihood estimation to determine the quadrupole amplitude Q(sub rms-PS) and the spectral index n of the density fluctuation power spectrum at recombination from the COBE DMR data. We find a strong correlation between the two parameters of the form Q(sub rms-PS) = (15.7 +/- 2.6) exp (0.46(1 - n)) microK for fixed n. Our result is slightly smaller than and has a smaller statistical uncertainty than the 1992 estimate of Smoot et al.
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Seljak, Uros, Bertschinger, Edmund. 1993-01-01. Maximum-likelihood analysis of the COBE angular correlation function. https://ntrs.nasa.gov/citations/19960016406
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