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Deep observations of the Super-CLASS super-cluster at 325 MHz with the GMRT: the low-frequency source catalogue
C. J. Riseley, A. M. M. Scaife, C. A. Hales +12
We present the results of 325 MHz GMRT observations of a super-cluster field, known to contain five Abell clusters at redshift . We achieve a nominal sensitivity of $34…
Radio-Optical Galaxy Shape Correlations in the COSMOS Field
Ben Tunbridge, Ian Harrison, Michael L. Brown
We investigate the correlations in galaxy shapes between optical and radio wavelengths using archival observations of the COSMOS field. Cross-correlation studies between different…
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…
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,…
SKA Weak Lensing I: Cosmological Forecasts and the Power of Radio-Optical Cross-Correlations
Ian Harrison, Stefano Camera, Joe Zuntz +1
We construct forecasts for cosmological parameter constraints from weak gravitational lensing surveys involving the Square Kilometre Array (SKA). Considering matter content, dark e…