Constraining dark energy with Sunyaev-Zel'dovich cluster surveys

Details Constraining dark energy with Sunyaev-Zel'dovich cluster surveys Constraining dark energy with Sunyaev-Zel'dovich cluster surveys

2001-10-16

arxiv.org/abs/astro-ph/0110353v2

Phys.Rev.Lett. 88 (2002) 231301

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, 1 table, version accepted for publication in PRL

Scientific paper

10.1103/PhysRevLett.88.231301

We discuss the prospects of constraining the properties of a dark energy component, with particular reference to a time varying equation of state, using future cluster surveys selected by their Sunyaev-Zel'dovich effect. We compute the number of clusters expected for a given set of cosmological parameters and propogate the errors expected from a variety of surveys. In the short term they will constrain dark energy in conjunction with future observations of type Ia supernovae, but may in time do so in their own right.

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