Correcting for lensing bias in the Hubble diagram
classification
🌌 astro-ph
keywords
biasdiagramhubblelensingsupernovaewillcausecorrect
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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.
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