Age constraints on the Agegraphic Dark Energy Model

Details Age constraints on the Agegraphic Dark Energy Model Age constraints on the Agegraphic Dark Energy Model

2007-08-09

arxiv.org/abs/0708.1214v1

Astronomy and Astrophysics

Astrophysics

Revtex, 11 pages with 6 figures

Scientific paper

We investigate the age constraint on the agegraphic dark energy model by using two old galaxies (LBDS 53W091 and LBDS 53W069) and the old high redshift quasar APM 08279+5255. We find that the agegraphic dark energy model can easily accommodate LBDS 53W091 and LBDS 53W069. To accommodate APM 08279+5255, one can take the reduced Hubble parameter as large as h=0.64, when the fraction matter energy density $\Omega_{m0}\approx 0.22$.

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