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Maximum-Likelihood Comparisons of Tully-Fisher and Redshift Data: Constraints on Omega and Biasing
Jeffrey A. Willick, Michael A. Strauss, Avishai Dekel +1
We compare Tully-Fisher (TF) data for 838 galaxies within cz=3000 km/sec from the Mark III catalog to the peculiar velocity and density fields predicted from the 1.2 Jy IRAS redshi…
Measuring Omega
Avishai Dekel, David Burstein, Simon D. M. White
We were asked to debate the value of the cosmological mass-density parameter Omega. Is Omega_m=1 in accordance with the simplest model? Is Omega_m much smaller as indicated by some…
From Local Velocities to Microwave Background
S. Zaroubi, N. Sugiyama, J. Silk +2
The mass density field as extracted from peculiar velocities in our cosmological neighborhood is mapped back in time to the CMB in two ways. First, the density power spectrum ($P_k…
Large Scale Power Spectrum from Peculiar Velocities Via Likelihood Analysis
S. Zaroubi, I. Zehavi, A. Dekel +2
The power spectrum (PS) of mass density fluctuations, independent of `biasing', is estimated from the Mark III catalog of peculiar velocities using Bayesian statistics. A parametri…
Large Scale Power Spectrum from Peculiar Velocities Via Likelihood Analysis
S. Zaroubi, A. Dekel, Y. Hoffman +1
The power spectrum (PS) of {\it mass} density fluctuations, independent of ``biasing", is estimated from the Mark3 Catalog of Peculiar Velocities of galaxies using Bayesian statist…