© Image from: NASA

Publications


Imaging of 3 bright terrestrial gamma-ray flashes by the atmosphere-space interactions monitor and their parent thunderstorms
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2024/3

High Peak Current Lightning and the Production of Elves
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2024/2

Observation of Blue Corona Discharges and Cloud Microphysics in the Top of Thunderstorm Cells in Cyclone Fani
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2023/11

Characterization of Thunderstorm Cells Producing Observable Terrestrial Gamma-Ray Flashes
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2023/9

Height determination of a blue discharge observed by ASIM/MMIA on the International Space Station,
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2023/4

Multi-wavelength study of the luminous GRB 210619B observed with Fermi and ASIM
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2023/3

Different types of corona discharges associated with high-altitude positive narrow bipolar events nearby cloud tops
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2023/2

Optical observations of thunderstorms from the International Space Station: Recent results and perspectives
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2023/2

Global Distribution of Key Features of Streamer Corona Discharges in Thunderclouds
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2022/12

Potential use of space-based lightning detection in electric power systems
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2022/12

Transition in Optical and Radio Features During the Early Development of Negative Intracloud Leader
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2022/11

The Temporal Relationship Between Terrestrial Gamma-Ray Flashes and Associated Optical Pulses From Lightning
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AGU
2022/9

Multi-Pulse Corona Discharges in Thunderclouds Observed in Optical and Radio Bands
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2022/7

Observations of Blue Corona Discharges in Thunderclouds
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2022/6

Terrestrial Gamma-Ray Flashes With Accompanying Elves Detected by ASIM
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2022/5

Production of Terrestrial Gamma-Ray Flashes During the Early Stages of Lightning Flashes
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2022/4

Multispectral Optical Diagnostics of Lightning from Space
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2022/4

Production of Terrestrial Gamma-Ray Flashes During the Early Stages of Lightning Flashes
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American Geophysical Union
2022/4

Initiation of lightning flashes simultaneously observed from space and the ground: Narrow bipolar events
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2022/4

Analysis of Blue Corona Discharges at the Top of Tropical Thunderstorm Clouds in Different Phases of Convection
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AGU
2022/3

Very-high-frequency oscillations in the main peak of a magnetar giant flare
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2021/12

Spectral analysis of individual terrestrial gamma-ray flashes detected by ASIM
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AGU
2021/12

Optical emissions associated with narrow bipolar events in radio signals from thunderstorm clouds penetrating into the stratosphere
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2021/11

Observation of Terrestrial Gamma-Ray Flashes at Mid Latitude
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American Geophysical Union
2021/9

Global Frequency and Geographical Distribution of Nighttime Streamer Corona Discharges (BLUEs) in Thunderclouds
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American Geophysical Union
2021/9

Blue Flashes as Counterparts to Narrow Bipolar Events: The Optical Signal of Shallow In-Cloud Discharges
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2021/7

Simultaneous Observations of EIP, TGF, Elve, and Optical Lightning
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2021/6

Constraining Spectral Models of a Terrestrial Gamma- Ray Flash From a Terrestrial Electron Beam Observation by the Atmosphere-Space Interactions Monitor
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2021/5

Spectral Observations of Optical Emissions Associated With Terrestrial Gamma‐Ray Flashes
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2021/2

A simultaneous observation of lightning by ASIM, Colombia‐Lightning Mapping Array, GLM and ISS‐LIS
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Online version
2021/2

Observation of the onset of a blue jet into the stratosphere
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2021/1

Modeling lightning observations from space-based platforms (CloudScat.jl 1.0)
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2020/11

Comparison of High‐Speed Optical Observations of a Lightning Flash From Space and the Ground
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2020/10

The Emission of Terrestrial Gamma Ray Flashes From Encountering Streamer Coronae Associated to the Breakdown of Lightning Leaders
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2020/10

Three Years of the Lightning Imaging Sensor Onboard the International Space Station: Expanded Global Coverage and Enhanced Applications
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American Geophysical Union
2020/8

Blue Optical Observations of Narrow Bipolar Events by ASIM Suggest Corona Streamer Activity in Thunderstorms
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2020/7

A terrestrial gamma-ray flash and ionospheric ultraviolet emissions powered by lightning
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AAAS
2020/1

The First Terrestrial Electron Beam Observed by the Atmosphere‐Space Interactions Monitor
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AGU
2019/12

First ten months of TGF observations by ASIM
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AGU
2019/12

Atmosphere-Space Interactions Monitor, Instrument and First Results
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IEEE
2019/11

The Modular Multispectral Imaging Array (MMIA) of the ASIM Payload on the International Space Station
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2019/6

The ASIM Mission on the International Space Station
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2019/3

The Modular X- and Gamma-Ray Sensor (MXGS) of the ASIM Payload on the International Space Station
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2019/2

Spectroscopic Diagnostic of Halos and Elves Detected From Space‐Based Photometers
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2018/11

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ASIM Science Data Centre

The Atmosphere-Space Interactions Monitor (ASIM) is an observatory on the International Space Station (ISS) that measures lightning and bursts of gamma-rays from thunderstorm clouds. The overarching goal is to understand the role of electrified storms in atmospheric dynamics. ASIM is a mission of the European Space Agency ESA’s SciSpace Programme for scientific utilization of the ISS and non-ISS space exploration platforms and space environment analogues. It is funded by the Danish Ministry of Higher Education and Science who supported ASIM from the Danish Globalization Fund for Climate Initiatives (2009–2012) via a special contribution to ESA, and by national and ESA funds from, Denmark, Spain, Norway, Italy, Poland and Belgium. The ASIM consortium is formed by Terma A/S, Technical University of Denmark, University of Bergen, University of Valencia, Polish Academy of Sciences Space Research Center, and OHB Italia. The Technical University of Denmark is leading the scientific advisory board to ESA and Terma A/S is the prime contractor under ESA for the payload development. Initial phases started in 2004 to 2009, and development started in 2010. ASIM was launched April 2nd, 2018, with CRS-14 Falcon-9/Dragon by SpaceX. The budget of ASIM is 35-40 MEUR. ASIM science data center (ASDC) is processing and distributing the ASIM data. More about ASDC



DTU Space University of Bergen University of Valencia

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University of Valencia

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Latest news


ASIM in the media

Media page of the BCSS, with links to international stories about ASIM and the research results coming out of the ASIM/ASDC project
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DTU Space releases images taken by Andreas Mogensen

@DTUSpace: Med et kamerasystem fra DTU Space har @Astro_Andreas taget nye fantastiske billeder til vores forskning i de voldsomme lyn-fænomener, der finder sted i Jordens atmosfære. Her et blåligt lyn i en sky og over det et lyn kaldet en rød fe #dkrummet #dkastro
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Andreas Mogensen films red sprite from ISS

The Danish ESA astronaut, Andreas Mogensen, has been filming unusual lighting-like discharges above the world's most energetic thunderstorms. Here are the first picutres.
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University of Malaga chooses ASIM paper for first prize in Research Excellence

To celebrate the 50th Anniversary of the founding of the University of Malaga, Spain, the university has awarded its first prize ever for Excellence in Research to an ASIM paper, led by UMA professor Alberto Castro-Tirado. The paper about ASIM's detection of quasi-periodic oscillations (QPOs) in the initial explosion of a magnetar flare, was published in Nature in December 2021. The author list includes many prominent ASIM and ASDC collaborators and partners. Though the ASIM instruments were designed to look down on the Earth to study electrical discharges from powerful thunderstorms. there is no way to stop high energy photons (x-rays and gamma rays) from space penetrating the sides of the instruments and being registered by the detectors. In this way ASIM observed in better detail than any other instrument the magnetic explosion of a neutron star in another galaxy (NGC 253).
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Robotically moving ASIM the storm hunter on the International Space Station

ESA video of the ASIM relocation using the Canada robotic arm. This video is speeded up to show the procedure in couple of minutes - in reality it took about 5 hours
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Extraordinary shakings of a distant magnetar

The ASIM instrument aboard the International Space Station was the only instrument out of seven which detected the giant flare and recorded the main burst phase without being blinded by the giant flash of high energy which saturated the other six detectors at the time of the maximum emission. After a very long journey through space, a burst of high-energy radiation was detected by the Atmosphere-Space Interactions Monitor (ASIM) instrument aboard the International Space Station (ISS) on April 15, 2020. The origin of this energetic burst was found to be a giant flare from an extremely magnetized neutron star known as a magnetar, located more than 10 million light years away in the galaxy NGC 253.
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