2024
DOI: 10.1051/0004-6361/202348732
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Tomographic cross correlations between galaxy surveys and the CMB gravitational lensing potential

Chandra Shekhar Saraf,
Paweł Bielewicz

Abstract: Upcoming surveys of the large-scale structure of our Universe will employ a large coverage area of about half of the sky and will significantly increase the observational depth. With these surveys, we will be able to cross-correlate cosmic microwave background (CMB) gravitational lensing and galaxy surveys divided into narrow redshift bins to map the evolution of the cosmological parameters with redshift. We study the effect of the redshift bin mismatch of objects that is due to photometric redshift errors in … Show more

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