Time Dilation and Quasar Variability

Details Time Dilation and Quasar Variability Time Dilation and Quasar Variability

2001-05-04

arxiv.org/abs/astro-ph/0105073v1

Astronomy and Astrophysics

Astrophysics

6 pages including 3 figures. Accepted for publication in ApJ Letters

Scientific paper

10.1086/320683

The timescale of quasar variability is widely expected to show the effects of time dilation. In this paper we analyse the Fourier power spectra of a large sample of quasar light curves to look for such an effect. We find that the timescale of quasar variation does not increase with redshift as required by time dilation. Possible explanations of this result all conflict with widely held consensus in the scientific community.

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