Age constraints on the Agegraphic Dark Energy Model

Abstract

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 ${\Omega }_{m0}\approx 0.22$.

Revtex, 11 pages with 6 figures

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