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Diagnosing coronal magnetic fields with radio imaging-spectroscopy technique

Published online by Cambridge University Press:  24 September 2020

Yihua Yan Open the ORCID record for Yihua Yan [Opens in a new window] ,
Baolin Tan ,
V. Melnikov ,
Xingyao Chen ,
Wei Wang ,
Linjie Chen ,
Fei Liu  and
MUSER Team
Yihua Yan
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected] School of Astronomy & Space Science, University of Chinese Academy of Science, Beijing, China
Baolin Tan
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected] School of Astronomy & Space Science, University of Chinese Academy of Science, Beijing, China
V. Melnikov
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected] Pulkovo Observatory of Russian Academy of Sciences, Saint Petersburg, Russia
Xingyao Chen
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected]
Wei Wang
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected]
Linjie Chen
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected]
Fei Liu
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected]
MUSER Team
Affiliation:
CAS Key Lab of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing100101, China email: [email protected]
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Abstract

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Mingantu Spectral Radioheliograph (MUSER) is an aperture-synthesis imaging telescope, dedicated to observe the Sun, operating on multiple frequencies in dm to cm range. The ability of MUSER to get images and measure Stokes I and V parameters simultaneously at many frequencies in a wide band is of fundamental importance. It allows one to approach/solve such important problems as measuring the strength, geometry and dynamics of magnetic field at coronal heights. Here we consider some of the recently developed radio physics methods to be used for solving the problems. These methods allow us to obtain information that is unattainable in other areas of the electromagnetic spectrum.

Keywords

Sun: magnetic fieldsSun: coronaSun: radio radiationSun: flaresSun: coronal mass ejections (CMEs)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S354: Solar and Stellar Magnetic Fields: Origins and Manifestations , June 2019 , pp. 17 - 23
Copyright
© International Astronomical Union 2020

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