Cosmic complementarity: combining CMB and supernova observations
classification
🌌 astro-ph
keywords
analysiscombiningdataaccuracybarscomparedcomplementaritycomplementary
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We compute the accuracy with which Omega and Lambda can be measured by combining future SN Ia and CMB experiments, deriving a handy expression for the SN Ia Fisher information matrix. The two data sets are found to be highly complementary: a joint analysis reduces the error bars by more than an order of magnitude compared to a separate analysis of either data set.
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