Constraints on Ωm and ΩΛ from future cluster surveys

Details Constraints on Ωm and ΩΛ from future cluster surveys Constraints on Ωm and ΩΛ from future cluster surveys

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..586..322h&link_type=abstract

RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP Conference Proceedings, Volume 586, pp. 322-324 (2001).

Astronomy and Astrophysics

Astrophysics

Galaxy Clusters, Observational Cosmology

Scientific paper

We show that deep cluster surveys can put strong constraints on Ωm and ΩΛ, in a manner that is nearly independent of the Hubble constant. Degeneracies between parameters are very different from either CMB or supernovae constraints, allowing very accurate joint constraints on parameters. Redshift information extending past z~0.5 will be crucial for constraining the vacuum energy. .

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