Cosmological Constraints from Compact Radio Source Angular Size versus Redshift Data

Details Cosmological Constraints from Compact Radio Source Angular Size versus Redshift Data Cosmological Constraints from Compact Radio Source Angular Size versus Redshift Data

2002-07-01

arxiv.org/abs/astro-ph/0207051v2

Astrophys.J. 582 (2003) 586-589

Astronomy and Astrophysics

Astrophysics

7 pages, 3 figures,ApJ accepted, minor changes, references added

Scientific paper

10.1086/344786

We use the Gurvits, Kellermann, & Frey compact radio source angular size
versus redshift data to place constraints on cosmological model parameters in
models with and without a constant or time-variable cosmological constant. The
resulting constraints are consistent with but weaker than those determined
using current supernova apparent magnitude versus redshift data.

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