Evidence of an upper ionospheric electric field perturbation correlated with a gamma ray burst

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Abstract

Earth’s atmosphere, whose ionization stability plays a fundamental role for the evolution and endurance of life, is exposed to the effect of cosmic explosions producing high energy Gamma-ray-bursts. Being able to abruptly increase the atmospheric ionization, they might deplete stratospheric ozone on a global scale. During the last decades, an average of more than one Gamma-ray-burst per day were recorded. Nevertheless, measurable effects on the ionosphere were rarely observed, in any case on its bottom-side (from about 60 km up to about 350 km of altitude). Here, we report evidence of an intense top-side (about 500 km) ionospheric perturbation induced by significant sudden ionospheric disturbance, and a large variation of the ionospheric electric field at 500 km, which are both correlated with the October 9, 2022 Gamma-ray-burst (GRB221009A).

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Piersanti, M., Ubertini, P., Battiston, R., Bazzano, A., D’Angelo, G., Rodi, J. G., … Zuccon, P. (2023). Evidence of an upper ionospheric electric field perturbation correlated with a gamma ray burst. Nature Communications, 14(1). https://doi.org/10.1038/s41467-023-42551-5

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