Baryonic acoustic oscillations simulations for the Large Synoptic Survey Telescope (LSST)

Details Baryonic acoustic oscillations simulations for the Large Synoptic Survey Telescope (LSST) Baryonic acoustic oscillations simulations for the Large Synoptic Survey Telescope (LSST)

2010-09-28

arxiv.org/abs/1009.5532v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures, 10th Rencontres de Blois proceeding

Scientific paper

The baryonic acoustic oscillations are features in the spatial distribution of the galaxies which, if observed at different epochs, probe the nature of the dark energy. In order to be able to measure the parameters of the dark energy equation of state to high precision, a huge sample of galaxies has to be used. The Large Synoptic Survey Telescope will survey the optical sky with 6 filters from 300nm and 1100nm, such that a catalog of galaxies with photometric redshifts will be available for dark energy studies. In this article, we will give a rough estimate of the impact of the photometric redshift uncertainties on the computation of the dark energy parameter through the reconstruction of the BAO scale from a simulated photometric catalog.

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