Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-04-17
Astron.Astrophys. 397 (2003) 819-823
Astronomy and Astrophysics
Astrophysics
5 pages, 5 figures, accepted for publication in A&A
Scientific paper
10.1051/0004-6361:20021547
Gravitational lensing will cause a dispersion in the Hubble diagram for high
redshift sources. This effect will introduce a bias in the cosmological
parameter determination using the distance-redshift relation for Type Ia
supernovae. In this note we show how one can diagnose and correct for this bias
when doing precision cosmology with supernovae.
Amanullah Rahman
Goobar Ariel
M"ortsell Edvard
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