Radio Galaxy Redshift-Angular Size Data Constraints on Dark Energy
Astrophysics
2009-11-07 v2
Abstract
We use FRIIb radio galaxy redshift-angular size data to constrain cosmological parameters in a dark energy scalar field model. The derived constraints are consistent with but weaker than those determined using Type Ia supernova redshift-magnitude data.
Cite
@article{arxiv.astro-ph/0207096,
title = {Radio Galaxy Redshift-Angular Size Data Constraints on Dark Energy},
author = {Silviu Podariu and Ruth A. Daly and Matthew P. Mory and Bharat Ratra},
journal= {arXiv preprint arXiv:astro-ph/0207096},
year = {2009}
}
Comments
ApJ, in press, expanded discussion