Cosmic complementarity: combining CMB and supernova observations

Details Cosmic complementarity: combining CMB and supernova observations Cosmic complementarity: combining CMB and supernova observations

1998-04-17

arxiv.org/abs/astro-ph/9804168v2

Astronomy and Astrophysics

Astrophysics

Figure labels added. 4 pages, to appear in "Fundamental parameters in Cosmology", Rencontres de Moriond. Color figures and lin

Scientific paper

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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