Data analysis and Monte Carlo simulation of a cosmic background radiation anisotropy experiment

Details Data analysis and Monte Carlo simulation of a cosmic background radiation anisotropy experiment Data analysis and Monte Carlo simulation of a cosmic background radiation anisotropy experiment

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341..163v&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 1, 1989, p. 163-167. Research supported by CNR and MPI.

Other

15

Background Radiation, Balloon-Borne Instruments, Cosmic Noise, Maximum Likelihood Estimates, Monte Carlo Method, Correlation, Cosmic Background Explorer Satellite, Random Noise, Simulation

Scientific paper

Data from an experiment by Davies et al. (1987), in which a temperature fluctuation of the microwave sky was detected, using the same method, but considering the temperature correlation functions predicted by gravitational instability scenarios. It is found that the Davies et al. data are consistent with either white noise or scale invariant primordial density fluctuations and that these are preferred among other scale-free spectra. However, the statistical significance of this result is low, as shown by Monte Carlo simulations of the microwave sky and of the specific experiment.

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