Astronomy and Astrophysics – Astrophysics – Cosmology and Extragalactic Astrophysics
Scientific paper
2009-10-01
Astronomy and Astrophysics
Astrophysics
Cosmology and Extragalactic Astrophysics
A chapter contributed to "Dark energy-- observational and theoretical approaches" edited by Pilar Ruiz-Lapuente (ISBN-13: 9780
Scientific paper
This is a brief sketch of the use of supernovae to measure cosmological parameters. It traces the early work, the events surrounding the discovery and verification of cosmic acceleration using SN Ia, and the efforts today to make sound inferences about the nature of dark energy. The prospects for minimizing systematics by using near-infrared observations in the supernova restframe are emphasized. This could be an important point in the design of a JDEM that employs supernovae to measure the history of cosmic expansion.
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