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Cross-correlating the gamma-ray sky with catalogs of galaxy clusters
Enzo Branchini, Stefano Camera, Alessandro Cuoco +4
We report the detection of a cross-correlation signal between {\it Fermi} Large Area Telescope diffuse gamma-ray maps and catalogs of clusters. In our analysis, we considered three…
Estimating the weak-lensing rotation signal in radio cosmic shear surveys
Daniel B. Thomas, Lee Whittaker, Stefano Camera +1
Weak lensing has become an increasingly important tool in cosmology and the use of galaxy shapes to measure cosmic shear has become routine. The weak-lensing distortion tensor cont…
Cross-correlation of weak lensing and gamma rays: implications for the nature of dark matter
Tilman Tröster, Stefano Camera, Mattia Fornasa +12
We measure the cross-correlation between Fermi-LAT gamma-ray photons and over 1000 deg of weak lensing data from the Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS), t…
SKA Weak Lensing III: Added Value of Multi-Wavelength Synergies for the Mitigation of Systematics
Stefano Camera, Ian Harrison, Anna Bonaldi +1
In this third paper of a series on radio weak lensing for cosmology with the Square Kilometre Array, we scrutinise synergies between cosmic shear measurements in the radio and opti…
Cosmology and Fundamental Physics with the Euclid Satellite
Luca Amendola, Stephen Appleby, Anastasios Avgoustidis +69
Euclid is a European Space Agency medium class mission selected for launch in 2020 within the Cosmic Vision 2015 2025 program. The main goal of Euclid is to understand the origin o…
SKA Weak Lensing II: Simulated Performance and Survey Design Considerations
Anna Bonaldi, Ian Harrison, Stefano Camera +1
We construct a pipeline for simulating weak lensing cosmology surveys with the Square Kilometre Array (SKA), taking as inputs telescope sensitivity curves; correlated source flux,…