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- Title
Disturbances of VLF/LF signals on Far East paths on December 27, 2004, caused by the gamma-ray flare of magnetar SGR 1806-20.
- Authors
Solovieva, M.; Rozhnoi, A.
- Abstract
VLF/LF signal variations at midlatitude, midlatitudelow-latitude, and low-latitude Far East paths related to an unusually strong gamma-ray flare from magnetar SGR 1806-20 were analyzed. Amplitude and phase anomalies were detected for all four signals received in Petropavlovsk-Kamchatski. The flare reached the Earth on December 27, 2004, at 2130:26.5 UT. Since the station signals are registered with a time resolution of 20 s, the anomalies corresponded to a much less intense oscillating 'tail' rather than to an initially powerful flare impulse. It has been found that the anomaly character and value strongly differ on the considered paths.
- Subjects
PETROPAVLOVSK-Kamchatskii (Russia); SOLAR flares; GAMMA rays; MAGNETARS; OSCILLATIONS
- Publication
Geomagnetism & Aeronomy, 2015, Vol 55, Issue 6, p805
- ISSN
0016-7932
- Publication type
Article
- DOI
10.1134/S0016793215060158