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- W4288055274 abstract "Imaging the low-frequency radio Sun is an intrinsically challenging problem. Meter wavelength solar emission span angular scales from a few arcminutes to a few degrees. These emissions show temporal and spectral variability in sub-second and sub-MHz scales. The brightness temperature of these emissions also varies by many orders of magnitude, which requires high-dynamic-range spectroscopic snapshot imaging. With the unique array configuration of the Murchison Widefield Array (MWA), and the robust calibration and imaging pipeline, AIRCARS produces the best spectroscopic snapshot solar images available to date. The working principle and the strength of this algorithm are demonstrated using statistical analysis and simulation. AIRCARS uses the partial phase stability of the MWA, which has a compact core with a large number of antenna elements distributed over a small array footprint. The strength of this algorithm makes it a state of the art calibration and imaging pipeline for low-frequency solar imaging, which is expected to be highly suitable for the upcoming Square Kilometre Array (SKA) and other future radio interferometers for producing high-dynamic-range and high-fidelity images of the Sun." @default.
- W4288055274 created "2022-07-28" @default.
- W4288055274 creator A5031843973 @default.
- W4288055274 date "2022-07-24" @default.
- W4288055274 modified "2023-09-29" @default.
- W4288055274 title "Working Principle of the Calibration Algorithm for High Dynamic Range Solar Imaging with Square Kilometre Array Precursor" @default.
- W4288055274 doi "https://doi.org/10.48550/arxiv.2207.11665" @default.
- W4288055274 hasPublicationYear "2022" @default.
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