1 code implementation • 6 Sep 2017 • Marzia Rivi, Lance Miller
This paper extends the method introduced in Rivi et al. (2016b) to measure galaxy ellipticities in the visibility domain for radio weak lensing surveys.
Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics
2 code implementations • 15 Mar 2016 • Marzia Rivi, Lance Miller, Sphesihle Makhathini, Filipe Batoni Abdalla
The multiplicative bias for SNR > 10 is comparable to that found in ground-based optical surveys such as CFHTLenS, and we anticipate that similar shear measurement calibration strategies to those used for optical surveys may be used to good effect in the analysis of SKA radio interferometer data.
Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics
