Results 31 to 40 of about 358 (117)
The Astrophysical JournalThe daily measurements of the disk-integrated solar radio flux, observed by the Radio Solar Telescope Network, at 245, 410, 610, 1415, 2695, 4995, and 8800 MHz during the time interval of 1989 January 1 to 2019 December 17, are used to investigate the ...
N. B. Xiang +5 more
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Solar Type J Radio Bursts and the Associated Coronal Loop
The Astrophysical JournalThe solar type J radio burst is a variant of type III bursts, which are a probe for understanding solar energetic electrons and local electron density. This study investigates a type J burst event on 2017 September 9.
S. W. Feng, H. X. Xie, H. Misawa
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MICROWAVE EMISSION OF SOLAR FLARES: CORONAL MASS EJECTIONS AND SHOCK WAVES
Odessa Astronomical Publications, 2017 Coronal mass ejections (CMEs) mostly affect the geomagnetic field. These structures are observed and studied with coronagraphic images thereforewe don’t see the corona in the plane of the sky and the measurements of the propagation ...
E. A. Isaeva, Yu. T. Tsap
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Study of Radio Transients from the Quiet Sun during an Extremely Quiet Time
The Astrophysical Journal, 2023 In this work, we study a class of recently discovered meter-wave solar transients referred to as Weak Impulsive Narrowband Quiet Sun Emission (WINQSEs).
Surajit Mondal +2 more
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Radio Signature of the Strong Compression between a Streamer and a Coronal Hole Boundary
The Astrophysical Journal LettersWe present evidence of the first detection of the radio signature at metric wavelengths of the strong compression between a helmet streamer (HS) and the boundary of a coronal hole (CH) using radio observations from the Callisto MEXICO-LANCE and ALASKA ...
E. Aguilar-Rodriguez +10 more
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The Efficiency of Harmonic Emissions Excited by Energetic Electrons in Coronal Loops
The Astrophysical JournalMagnetic reconnection is a key process that drives the energy release in solar flares. This process can occur at multiple locations along the coronal loop.
Mehdi Yousefzadeh +3 more
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Emission Characteristics of Energetic Electrons with Crescent-shaped Velocity Distributions
The Astrophysical JournalSolar flares release magnetic energy through reconnection, accelerating electrons into nonthermal velocity distributions, including crescent-shaped electron populations. These energetic electron distributions are crucial in driving instabilities that can
Mehdi Yousefzadeh
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Imaging a Large Coronal Loop Using Type U Solar Radio Burst Interferometry
The Astrophysical JournalSolar radio U-bursts are generated by electron beams traveling along closed magnetic loops in the solar corona. Low-frequency (
Jinge Zhang +6 more
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Enigmatic Centi-SFU and mSFU Nonthermal Radio Transients Detected in the Middle Corona
The Astrophysical JournalDecades of solar coronal observations have provided substantial evidence for accelerated particles in the corona. In most cases, the location of particle acceleration can be roughly identified by combining high spatial and temporal resolution data from ...
Surajit Mondal +46 more
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High-harmonic Plasma Emission Induced by Electron Beams in Weakly Magnetized Plasmas
The Astrophysical JournalElectromagnetic radiation at higher harmonics of the plasma frequency ( ω ∼ n ω _pe , n > 2) has been occasionally observed in type II and type III solar radio bursts, yet the underlying mechanism remains undetermined.
Chuanyang Li +4 more
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