Results 1 to 10 of about 2,630,706 (301)

Radio Signature of Higher Atmospheric Meridional Flow and Implications for Magnetic Trees in the Sun

open access: yesThe Astrophysical Journal
The coupling between plasma flows and magnetic fields in the solar atmosphere governs the transport of angular momentum and the redistribution of magnetic flux, yet its manifestation in the magnetically dominated upper chromosphere remains uncertain ...
Srinjana Routh   +6 more
doaj   +1 more source

Solar Type J Radio Bursts and the Associated Coronal Loop

open access: yesThe Astrophysical Journal
The 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
doaj   +1 more source

Unprecedented 19 Day Type IV Radio Burst as a Corotating Electron Reservoir

open access: yesThe Astrophysical Journal Letters
We report a hectometric (0.5–3 MHz) type IV continuum observed over nearly 19 days (2025 August 21–September 9) in three successive visibility windows as the source corotates with the Sun—first at Solar Orbiter, then 12 days later in the near-Earth ...
Vratislav Krupar   +13 more
doaj   +1 more source

First Detection of Low-frequency Striae in Interplanetary Type III Radio Bursts

open access: yesThe Astrophysical Journal Letters
We report the first detection of type III solar radio burst striae in the 30–80 kHz range, observed by the Cluster-4 spacecraft during an exceptionally quiet solar period.
Vratislav Krupar   +11 more
doaj   +1 more source

Temporally Resolved Type III Solar Radio Bursts in the Frequency Range 3–13 MHz

open access: yesThe Astrophysical Journal Letters
Radio observations from space allow to characterize solar radio bursts below the ionospheric cutoff, which are otherwise inaccessible, but suffer from low, insufficient temporal resolution.
Antonio Vecchio   +4 more
doaj   +1 more source

Some Characteristics of Solar Radio Emissions [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1948
J. S. Hey, S. J. Parsons, J. W. Phillips
openaire   +1 more source
Some of the next articles are maybe not open access.

Solar Radio Emission

Astrophysics and Space Science Library, 1977
Outside active regions the Sun produces radio emission that is due entirely to bremsstrahlung from thermal electrons — the quiet-Sun radio emission. Radiation of frequency f originates at and above the level where f = f p (= plasma frequency), i.e.
A D Fokker
exaly   +2 more sources

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