Multi-system All-sky Spherical Harmonic Transit Interferometry
2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC)(2022)
Abstract
We present multi-system spherical harmonic transit interferometry, an extension to the m-mode formalism, allowing for the inclusion of multiple interferometric systems to account for missing information on the sky; alleviating the need for prior fitting and/or regression. We simulate data with two model topologies to show we can indeed recover a genuine all-sky map. Furthermore, we explain how including multiple systems affects point-spread functions (PSFs) across declination, as well as how this method helps improving spatial coverage on the sky.
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Key words
model topologies,spatial coverage,point-spread functions,multisystem all-sky spherical harmonic transit interferometry,multiple interferometric systems,m-mode formalism,all-sky map
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