SIMBAD references

2008MNRAS.389..919B - Mon. Not. R. Astron. Soc., 389, 919-924 (2008/September-2)

An original constraint on the Hubble constant: h > 0.74.

BARRAU A., GORECKI A. and GRAIN J.

Abstract (from CDS):

The Hubble parameter H0 is still not very well measured. Although the Hubble Key Project, Chandra and the Wilkinson Microwave Anisotropy Probe gave good estimates, the uncertainties remain quite large. In this brief report, we suggest an original and independent method to derive a lower limit on H0 using the absorption of very high energy γ-rays by the cosmic infrared background. With conservative hypotheses, we obtain H0> 74 km/s/Mpc at the 68 per cent confidence level, which favours the upper end of the intervals allowed by dedicated experiments.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): cosmological parameters - diffuse radiation

Simbad objects: 10

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