Testing Cosmic Acceleration with Type Ia Supernovae

Details Testing Cosmic Acceleration with Type Ia Supernovae Testing Cosmic Acceleration with Type Ia Supernovae

2001-01-30

arxiv.org/abs/astro-ph/0101521v1

Astronomy and Astrophysics

Astrophysics

9 pages, 4 figures, to appear in the proceedings of IAU Symposium 201, 'New Cosmological Data and the Values of the Fundamenta

Scientific paper

We discuss recent evidence for an accelerating Universe from measurements of type Ia supernovae at high redshift, and describe tests of various systematic effects such as extinction and evolution that could be biasing the cosmological result. Continued observations of these objects, both over a wider wavelength region and at higher redshift, should provide strong evidence in favor or against the accelerating Universe hypothesis.

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