Galaxy clusters are the most powerful strong lenses; they greatly magnify the flux of distant and faint sources. Strong lensing also allows for the reconstruction of their mass distribution with sim1% accuracy and enables the investigation of cosmological parameters. The number of known systems of this type is bound to...
L. Leuzzi, M. Meneghetti, A. Adam et al.· Astronomy & Astrophysics· 0 citations
Stage-IV galaxy surveys will provide the opportunity to test cosmological models and the underlying theory of gravity with unparalleled precision. In this context, it is crucial for the Euclid mission to leverage its spectroscopic and photometric probes to systematically investigate and incorporate non-standard cosmolo...
M.-A. Breton, P. Fosalba, S. Ávila et al.· Astronomy & Astrophysics· 0 citations
The Euclid spectroscopic survey will measure galaxy clustering with unprecedented precision, requiring stringent control of observational and instrumental systematics. Star-related effects may contaminate spectroscopic images through photometric persistence and imperfect masking of stars. We characterized their impact...
Euclid Collaboration I. Risso, B. Granett, E. Branchini et al.· 0 citations
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