Low Frequency Radio Pulses Produced by Terrestrial Gamma‐Ray Flashes

Low Frequency Radio Pulses Produced by Terrestrial Gamma‐Ray Flashes

Do terrestrial gamma‐ray flashes (TGFs) produce their own radio signatures? To explore this question, we analyze TGF data from the Fermi Gamma‐ray Burst Monitor, independent lightning geolocation data from the National Lightning Detection Network, and low‐frequency (LF) magnetic field waveforms, to...

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Veröffentlicht in:Geophysical research letters 2019-06, Vol.46 (12), p.6990-6997
Hauptverfasser: Pu, Yunjiao, Cummer, Steven A., Lyu, Fanchao, Briggs, Michael, Mailyan, Bagrat, Stanbro, Matthew, Roberts, Oliver
Format: Artikel
Sprache:eng
Schlagworte:
Detection
Duration
Electron acceleration
Gamma radiation
Gamma ray bursts
Gamma ray flashes
Gamma rays
Lightning
Lightning detection
Magnetic field
Magnetic fields
Radio
radio emissions
TGF
Waveforms
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Zusammenfassung:Do terrestrial gamma‐ray flashes (TGFs) produce their own radio signatures? To explore this question, we analyze TGF data from the Fermi Gamma‐ray Burst Monitor, independent lightning geolocation data from the National Lightning Detection Network, and low‐frequency (LF) magnetic field waveforms, to determine the relationship between TGF generation and LF waveforms. LF waveforms associated with six TGFs are found to contain a clear and isolated slow pulse (~80‐μs duration) within a sequence of multiple fast pulses (
ISSN:0094-8276
1944-8007
DOI:10.1029/2019GL082743