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Cosmic complementarity: probing the acceleration of the Universe

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arxiv astro-ph/9805117 v1 pith:H55SNGAY submitted 1998-05-11 astro-ph

Max Tegmark , Daniel J. Eisenstein , Wayne Hu , Richard Kron This is my paper
classification astro-ph
keywords analysiscosmicabundanceaccelerationaccuracyangularassessbackground
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We assess the accuracy with which Omega and Lambda can be measured by combining various types of upcoming experiments. Useful expressions for the Fisher information matrix are derived for classical cosmological tests involving luminosity (eg, SN Ia), angular size, age and number counts. These geometric probes are found to be quite complementary both to each other and to inferences from cluster abundance and the cosmic microwave background (CMB). For instance, a joint analysis of SN Ia and CMB reduces the error bars by about an order of magnitude compared to a separate analysis of either data set.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Measurements of Omega and Lambda from 42 High-Redshift Supernovae

    astro-ph 1998-12 accept novelty 8.0 of 10

    42 high-redshift Type Ia supernovae yield Omega_M = 0.28 for a flat universe and show the cosmological constant is positive at 99% confidence.

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