Results 81 to 90 of about 438 (164)

Refraction and scattering of radio emission from a solar source due to coronal inhomogeneities [PDF]

open access: yesProceedings of the International Astronomical Union, 2004
Alexander N. Afanasiev, A. T. Altyntsev
openaire   +1 more source

Measuring the Magnetic Field of a Coronal Mass Ejection from the Low to Middle Corona

open access: yesThe Astrophysical Journal Letters
A major challenge in understanding the initiation and evolution of coronal mass ejections (CMEs) is measuring the magnetic field of the magnetic flux ropes (MFRs) that drive CMEs.
Xingyao Chen   +46 more
doaj   +1 more source

Highly Polarized Type III Storm Observed with Parker Solar Probe

open access: yesThe Astrophysical Journal Letters
The Parker Solar Probe (PSP) spacecraft observed a large coronal mass ejection (CME) on 2022 September 5, shortly before closest approach during the 13th PSP solar encounter.
Marc Pulupa   +4 more
doaj   +1 more source

First Robust Detection of Linear Polarization from Metric Solar Emissions: Challenging Established Paradigms

open access: yesThe Astrophysical Journal Letters
Polarimetric radio observations of the Sun can provide rich information about emission mechanisms and the propagation medium. For the past five decades, solar polarimetric studies at low radio frequencies have almost always assumed the absence of linear ...
Soham Dey   +3 more
doaj   +1 more source

Magneto-thermal Coupling and Coronal Heating in Solar Active Regions Inferred from Microwave Observations

open access: yesThe Astrophysical Journal
The solar corona is much hotter than the photosphere and chromosphere, but the physical mechanism responsible for heating the coronal plasma remains unidentified. The thermal microwave emission, which is produced in a strong magnetic field above sunspots,
Alexey A. Kuznetsov   +3 more
doaj   +1 more source

Spatiotemporal Characteristics of Very-long-periodic Pulsations in Solar Meterwave Bursts: Implications for Their Origins

open access: yesThe Astrophysical Journal Letters
We traced the origin of very-long-periodic pulsations (VLPs) in type-I burst chains on 2024 February 14. Seven successive and repetitive pulsation structures appeared in radio dynamic spectra in the metric waveband, which were simultaneously measured by ...
Dong Li   +7 more
doaj   +1 more source

A Dedicated System for Coordinated Radio and Optical Monitoring of the Space Weather of Young, Solar-type Stars

open access: yesThe Astrophysical Journal
Low-frequency radio emission in the form of type II and III bursts is a direct indicator of plasma motion in the solar corona and interplanetary medium.
Ivey Davis   +48 more
doaj   +1 more source

Defining the Middle Corona. [PDF]

open access: yesSol Phys, 2023
West MJ   +41 more
europepmc   +1 more source

Multiwavelength Multipoint Observations of the October 28, 2021 Type III Radio Burst. [PDF]

open access: yesSol Phys
Martinez Oliveros JC   +8 more
europepmc   +1 more source

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