Volume 397, Number 3, January III 2003
|Page(s)||819 - 823|
|Section||Cosmology (including clusters of galaxies)|
|Published online||21 January 2003|
Correcting for lensing bias in the Hubble diagram
Physics Department, Stockholm University, SCFAB, 106 91 Stockholm, Sweden
Corresponding author: R. Amanullah, firstname.lastname@example.org
Accepted: 23 October 2002
Gravitational lensing will cause a dispersion in the Hubble diagram for high redshift sources. This effect introduces 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.
Key words: gravitational lensing / cosmological parameters / methods: statistical
© ESO, 2003
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