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Solar science at metric radio wavelengths: Coming of age

Published online by Cambridge University Press:  27 November 2018

Divya Oberoi
Affiliation:
National Centre for Radio Astrophysics, Tata Institute of Fundamental Research, Pune, India. email: div@ncra.tifr.res.in
Atul Mohan
Affiliation:
National Centre for Radio Astrophysics, Tata Institute of Fundamental Research, Pune, India. email: div@ncra.tifr.res.in
Surajit Mondal
Affiliation:
National Centre for Radio Astrophysics, Tata Institute of Fundamental Research, Pune, India. email: div@ncra.tifr.res.in
Rohit Sharma
Affiliation:
National Centre for Radio Astrophysics, Tata Institute of Fundamental Research, Pune, India. email: div@ncra.tifr.res.in
Akshay Suresh
Affiliation:
Cornell Centre for Astrophysics and Planetary Science, Ithaca, New York, USA.
Leonid Benkevitch
Affiliation:
MIT Haystack Observatory, Westford, Massachusetts, USA.
Colin J. Lonsdale
Affiliation:
MIT Haystack Observatory, Westford, Massachusetts, USA.
John Morgan
Affiliation:
Curtin University, Perth, Australia.
Patrick McCauley
Affiliation:
University of Sydney, Sydney, Australia.
Iver Cairns
Affiliation:
University of Sydney, Sydney, Australia.
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The merits of solar coronal at metric-wavelength (MW) radio have long been recognised (e.g. Pick and Vilmer, 2008). High-fidelity solar radio imaging at these frequencies has however remained challenging. On the one hand, dealing with the small spectral and temporal scales of variation in solar radio emission requires a data product capable of tracking the emission simultaneously across time, frequency and morphology. The Fourier imaging nature of interferometry, on the other hand, severely limits the instrumental ability to gather sufficient information to do this with the required fidelity and resolution. Benefiting from the enormous advances in technology the new generation of instruments, like the Murchison Widefield Array (MWA; Tingay et al. (2013), Bowman et al. (2013)), represent a quantum leap in our ability to gather data suitable for radio solar physics.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2018 

References

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