Cosmic Concordance

Details Cosmic Concordance Cosmic Concordance

1995-05-16

arxiv.org/abs/astro-ph/9505066v1

Astronomy and Astrophysics

Astrophysics

8 pages, two figures and postscript file with figures included available by anonymous ftp at ftp://dept.physics.upenn.edu/pu

Scientific paper

Observational constraints guide one forcefully to examine models in which the matter density is substantially less than critical density. Particularly noteworthy are those which are consistent with inflation. For these models, microwave background anisotropy, large-scale structure measurements, direct measurements of the Hubble constant, $H_0$, and the closure parameter, $\Omega_{\rm Matter}$, ages of stars and a host of more minor facts are all consistent with a spatially flat model having significant cosmological constant $\Omega_{\Lambda} = 0.65 \pm 0.1$, $\Omega_{\rm Matter} = 1 - \Omega_{\Lambda}$ (in the form of ``cold dark matter") and a small tilt: $0.8< n < 1.2$. (Read comments at top of file to find out how to obtain figures.)

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