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Paper detail

Observing Baryonic Acoustic Oscillations in tomographic cosmic shear surveys

We show that it is possible to build effective matter density power spectra in tomographic cosmic shear observations that exhibit the Baryonic Acoustic Oscillations (BAO) features once a nulling transformation has been applied to the data. The precision with which the amplitude and position of these features can be reconstructed is quantified in terms of sky coverage, intrinsic shape noise, median source redshift and number density of sources. BAO detection in Euclid or LSST like wide surveys will be possible with a modest signal-to-noise ratio. It would improve dramatically for slightly deeper surveys.

preprint2020arXivOpen access
Francis BernardeauTakahiro NishimichiAtsushi Taruya
astro-ph.CO
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Francis BernardeauTakahiro NishimichiAtsushi Taruya

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