In-flight observation of gamma ray glow by ILDAS

Pavlo Kochkin; A.P.J. van Deursen; M. Marisaldi; A. Ursi; A.I. de Boer; M. Bardet; C. Allasia; J.-F. Boissin; F.  Flourens; N. Ostgaard

doi:10.1002/2017JD027405

In-flight observation of gamma ray glow by ILDAS

Pavlo Kochkin, A.P.J. van Deursen, M. Marisaldi, A. Ursi, A.I. de Boer, M. Bardet, C. Allasia, J.-F. Boissin, F. Flourens, N. Ostgaard

Electrical Energy Systems

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

An Airbus A340 aircraft flew over Northern Australia with the In-Flight Lightning Damage Assessment System (ILDAS) installed onboard. A long-duration gamma ray emission was detected. The most intense emission was observed at 12 km altitude and lasted for 20 s. Its intensity was 20 times the background counts, and it was abruptly terminated by a distant lightning flash. In this work we reconstruct the aircraft path and event timeline. The glow-terminating flash triggered a discharge from the aircraft wing that was recorded by a video camera operating onboard. Another count rate increase was observed 6 min later and lasted for 30 s. The lightning activity as reported by ground networks in this region was analyzed. The measured spectra characteristics of the emission were estimated.

Original language	English
Pages (from-to)	12801-12811
Number of pages	11
Journal	Journal of Geophysical Research. D, Atmospheres
Volume	122
Issue number	23
DOIs	https://doi.org/10.1002/2017JD027405
Publication status	Published - 4 Dec 2017

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title = "In-flight observation of gamma ray glow by ILDAS",

abstract = "An Airbus A340 aircraft flew over Northern Australia with the In-Flight Lightning Damage Assessment System (ILDAS) installed onboard. A long-duration gamma ray emission was detected. The most intense emission was observed at 12 km altitude and lasted for 20 s. Its intensity was 20 times the background counts, and it was abruptly terminated by a distant lightning flash. In this work we reconstruct the aircraft path and event timeline. The glow-terminating flash triggered a discharge from the aircraft wing that was recorded by a video camera operating onboard. Another count rate increase was observed 6 min later and lasted for 30 s. The lightning activity as reported by ground networks in this region was analyzed. The measured spectra characteristics of the emission were estimated.",

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T1 - In-flight observation of gamma ray glow by ILDAS

AU - Kochkin, Pavlo

AU - van Deursen, A.P.J.

AU - Marisaldi, M.

AU - Ursi, A.

AU - de Boer, A.I.

AU - Bardet, M.

AU - Allasia, C.

AU - Boissin, J.-F.

AU - Flourens, F.

AU - Ostgaard, N.

PY - 2017/12/4

Y1 - 2017/12/4

N2 - An Airbus A340 aircraft flew over Northern Australia with the In-Flight Lightning Damage Assessment System (ILDAS) installed onboard. A long-duration gamma ray emission was detected. The most intense emission was observed at 12 km altitude and lasted for 20 s. Its intensity was 20 times the background counts, and it was abruptly terminated by a distant lightning flash. In this work we reconstruct the aircraft path and event timeline. The glow-terminating flash triggered a discharge from the aircraft wing that was recorded by a video camera operating onboard. Another count rate increase was observed 6 min later and lasted for 30 s. The lightning activity as reported by ground networks in this region was analyzed. The measured spectra characteristics of the emission were estimated.

AB - An Airbus A340 aircraft flew over Northern Australia with the In-Flight Lightning Damage Assessment System (ILDAS) installed onboard. A long-duration gamma ray emission was detected. The most intense emission was observed at 12 km altitude and lasted for 20 s. Its intensity was 20 times the background counts, and it was abruptly terminated by a distant lightning flash. In this work we reconstruct the aircraft path and event timeline. The glow-terminating flash triggered a discharge from the aircraft wing that was recorded by a video camera operating onboard. Another count rate increase was observed 6 min later and lasted for 30 s. The lightning activity as reported by ground networks in this region was analyzed. The measured spectra characteristics of the emission were estimated.

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In-flight observation of gamma ray glow by ILDAS

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