Anders Lindanger
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View article: Validation of the ASIM MXGS performance using cosmic Gamma-Ray Bursts
Validation of the ASIM MXGS performance using cosmic Gamma-Ray Bursts Open
The Atmosphere-Space Interactions Monitor (ASIM) is a mission of the European Space Agency launched in April 2018 and hosted onboard the International Space Station (ISS). ASIM is dedicated to study the physics of Transient Luminous Events…
View article: TGFs - "Storm Activity" relationship
TGFs - "Storm Activity" relationship Open
In the first two years of ASIM operations from June 2018 till the end of 2019 486 TGFs have been observed, with a TGF rate of 0.84 per day. Their geographical distribution is consistent with the three main lightning chimneys Central Americ…
View article: Multiwavelength study of the luminous GRB 210619B observed with <i>Fermi</i> and ASIM
Multiwavelength study of the luminous GRB 210619B observed with <i>Fermi</i> and ASIM Open
We report on detailed multiwavelength observations and analysis of the very bright and long GRB 210619B, detected by the Atmosphere-Space Interactions Monitor installed on the International Space Station and the Gamma-ray Burst Monitor (GB…
View article: Terrestrial Gamma‐Ray Flashes With Accompanying Elves Detected by ASIM
Terrestrial Gamma‐Ray Flashes With Accompanying Elves Detected by ASIM Open
The Atmosphere‐Space Interactions Monitor was designed to monitor Terrestrial Gamma‐ray Flashes (TGFs) and Transient Luminous Events (TLEs) from space, enabling the study of how these phenomena are related. In this paper, we present observ…
View article: Production of Terrestrial Gamma‐Ray Flashes During the Early Stages of Lightning Flashes
Production of Terrestrial Gamma‐Ray Flashes During the Early Stages of Lightning Flashes Open
Terrestrial Gamma‐ray Flashes (TGFs) are short emissions of high energy photons associated with thunderstorms. It has been known since the discovery of TGFs that they are associated with lightning, and several case studies have shown that …
View article: Observations by ASIM of Terrestrial Gamma-ray Flashes accompanied by Elves
Observations by ASIM of Terrestrial Gamma-ray Flashes accompanied by Elves Open
<p>Terrestrial gamma-ray flashes (TGFs) are short and highly energetic bursts of photons, produced in association with lightning in thunderstorms. Elves are rapidly expanding rings of optical emissions, with radii of several hundred …
View article: Brother TGF
Brother TGF Open
<p>ASIM TGF catalog presents more than one thousand TGF from June 2018 till the end of 2021. Using this dataset, the detection rate of TGF by ASIM was about one TGF per day. The TGF detection is a stochastic process (each TGF is not …
View article: Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes
Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes Open
<p>Terrestrial Gamma-ray Flashes (TGFs) are short emissions of high-energy photons associated with thunderstorms. Since their discovery, it has been clear that they are associated with lightning, and several case studies have shown t…
View article: Investigating the fluence of bright TGF events detected by the Atmosphere-Space Interactions Monitor
Investigating the fluence of bright TGF events detected by the Atmosphere-Space Interactions Monitor Open
<p>Terrestrial Gamma-ray Flashes (TGFs) are short flashes of high-energy photons produced by thunderstorms. They are intense phenomena that may have high photon fluxes with energies up to 40 MeV when observed from detectors in orbit.…
View article: Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes
Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes Open
Supporting data to the paper "Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes", Lindanger et al., 2022, JGR
View article: Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes
Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes Open
Supporting data to the paper "Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes", Lindanger et al., 2022, JGR
View article: Spectral Analysis of Individual Terrestrial Gamma‐Ray Flashes Detected by ASIM
Spectral Analysis of Individual Terrestrial Gamma‐Ray Flashes Detected by ASIM Open
The Atmosphere‐Space Interactions Monitor (ASIM) is the first instrument in space specifically designed to observe terrestrial gamma‐ray flashes (TGFs). TGFs are high energy photons associated with lightning flashes and we perform the spec…
View article: Data repository for the main article and the supporting information of the paper "Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM" by A. Lindanger et al.
Data repository for the main article and the supporting information of the paper "Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM" by A. Lindanger et al. Open
Data repository for the main article and the supporting information of the paper "Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM" by A. Lindanger et al.
View article: Data repository for the main article and the supporting information of the paper "Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM" by A. Lindanger et al.
Data repository for the main article and the supporting information of the paper "Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM" by A. Lindanger et al. Open
Data repository for the main article and the supporting information of the paper "Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM" by A. Lindanger et al.
View article: Constraining Spectral Models of a Terrestrial Gamma‐Ray Flash From a Terrestrial Electron Beam Observation by the Atmosphere‐Space Interactions Monitor
Constraining Spectral Models of a Terrestrial Gamma‐Ray Flash From a Terrestrial Electron Beam Observation by the Atmosphere‐Space Interactions Monitor Open
Terrestrial Gamma ray Flashes (TGFs) are short flashes of high energy photons, produced by thunderstorms. When interacting with the atmosphere, they produce relativistic electrons and positrons, and a part gets bounded to geomagnetic field…
View article: Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor
Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Geophysical Research Letters. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn mo…
View article: Investigating the relationship between TGF durations and the onset times of the optical pulses and the TGFs
Investigating the relationship between TGF durations and the onset times of the optical pulses and the TGFs Open
<p><em>We investigate and determine the sequence of the Terrestrial Gamma-ray Flashes (TGFs) and the observed optical emissions associated with lightning flashes, as well as the connection between the duration of TGFs and the t…
View article: Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor
Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor Open
<p>Terrestrial Gamma-ray Flashes (TGFs) are short flashes of high energy photons, produced by thunderstorms. When interacting with the atmosphere, they produce relativistic electrons and positrons, and a part gets bounded to geomagne…
View article: New highlights of gamma-ray observations by ASIM
New highlights of gamma-ray observations by ASIM Open
<p><span>ASIM has now observed several hundreds of TGFs since the launch in 2018. Highlights and new science from the first ten months of observations were presented in &#216;stgaard et al. (2019) paper. In this presentatio…
View article: Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM
Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM Open
<p>Terrestrial Gamma-ray Flashes (TGFs) are sub-millisecond bursts of high-energy photons associated with lightning flashes in thunderstorms. The Atmosphere-Space Interactions Monitor (ASIM), launched in April 2018, is the first spac…
View article: Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor
Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Geophysical Research Letters. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn mo…
View article: The 3rd AGILE Terrestrial Gamma‐ray Flashes Catalog. Part II: Optimized Selection Criteria and Characteristics of the New Sample
The 3rd AGILE Terrestrial Gamma‐ray Flashes Catalog. Part II: Optimized Selection Criteria and Characteristics of the New Sample Open
We present in this work the third catalog of terrestrial gamma‐ray flashes (TGFs) by the AGILE mission and the new search algorithm that was developed to produce it. We firstly introduce the new selection criteria, designed from the charac…
View article: The 3rd AGILE Terrestrial Gamma Ray Flash Catalog. Part I: Association to Lightning Sferics
The 3rd AGILE Terrestrial Gamma Ray Flash Catalog. Part I: Association to Lightning Sferics Open
We present a complete and systematic search for terrestrial gamma‐ray flashes (TGFs), detected by AGILE, that are associated with radio sferics detected by the World Wide Lightning Location Network (WWLLN) in the period February 2009 to Se…
View article: Energy spectrum from single TGFs detected by ASIM
Energy spectrum from single TGFs detected by ASIM Open
<p>Terrestrial Gamma-ray Flashes (TGFs) are sub milliseconds bursts of high energy photons associated with lightning flashes in thunderstorms. The Atmosphere-Space Interactions Monitor (ASIM), launched in April 2018, is the first spa…
View article: One TGF and two elves produced by the same thunderstorm system
One TGF and two elves produced by the same thunderstorm system Open
<p>On February 8, 2019 the Atmosphere-Space Interaction Monitor (ASIM) passed a thunderstorm system north east of Puerto Rico and observed a TGF and an Elve from the same lightning stroke at the very beginning of a lightning flash. A…
View article: Time sequence of TGFs and optical pulses detected by ASIM
Time sequence of TGFs and optical pulses detected by ASIM Open
<p>In 2018, the Atmospheric Space Interactions Monitor (ASIM) was launched and mounted onboard the Columbus module of the International Space Station (ISS). Using data from the Modular X- and Gamma-Ray Sensor (MXGS) and the Modular M…
View article: ASIM - Fermi - AGILE simultaneous observation of Terrestrial Gamma-ray Flashes
ASIM - Fermi - AGILE simultaneous observation of Terrestrial Gamma-ray Flashes Open
<p>The Atmosphere Space Interaction Monitor (ASIM) mission onboard the International Space Station is the first mission specifically dedicated to the observation of Terrestrial Gamma-ray Flashes (TGF) and Transient Luminous Events (T…
View article: Observation of TGFs at High Latitude
Observation of TGFs at High Latitude Open
<p><span>Terrestrial Gamma-ray Flashes (TGFs) are short bursts of gamma radiation originating from thunderclouds; </span><span>they propagate upwards and</span> <span>are then detected by satellites such…
View article: Assessing the relationship between the TGF durations and the onset times of the TGFs and the main optical pulses as detected by ASIM
Assessing the relationship between the TGF durations and the onset times of the TGFs and the main optical pulses as detected by ASIM Open
<p>Using the Modular X- and Gamma-ray Sensor (MXGS) and the Modular Multi-spectral Imaging Array (MMIA) of the Atmosphere-Space Interactions Monitor (ASIM), we investigate the time sequence of the Terrestrial gamma-ray flashes and th…
View article: Search for Terrestrial Gamma-ray Flashes in AGILE data by correlation with ground-based lightning measurements
Search for Terrestrial Gamma-ray Flashes in AGILE data by correlation with ground-based lightning measurements Open
Terrestrial Gamma-ray Flashes (TGFs) are sub-millisecond bursts of high energy photons, associated with lightning flashes produced inside thunderstorms. The Astro-Rivelatore Gamma a Immagini Leggero (AGILE) satellite is one of the few sate…