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ratt-ru / meqtrees-cattery

MeqTrees-based frameworks for simulation and calibration of radio interferometers
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Scaled pointing offsets #79

Closed SpheMakh closed 6 years ago

SpheMakh commented 6 years ago

From an investigation of Meqtrees pointing offset solutions with @o-smirnov. Pinging @bennahugo

The pointing offsets recovered by calico-wsrt-tens's solvable E-jones module seem to be scaled by a factor of 0.27. See the plot of input offset (from a WSRT simulation) VS recovered offset below

offset_offset_scale

SpheMakh commented 6 years ago

Mystery solved. The units of the offsets from the plotting script are in mill-degrees and not arcsecs.