Blar i Bergen Open Research Archive på forfatter "Marisaldi, Martino"
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The 3rd AGILE Terrestrial Gamma Ray Flash Catalog. Part I: Association to Lightning Sferics
Lindanger, Anders; Marisaldi, Martino; Maiorana, Carolina; Sarria, David; Albrechtsen, Kjetil; Østgaard, Nikolai; Galli, M.; Ursi, Alessandro; Labanti, C.; Tavani, Marco; Pittori, C.; Verrecchia, F. (Journal article; Peer reviewed, 2020)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 ... -
The 3rd AGILE Terrestrial Gamma-ray Flashes Catalog. Part II: Optimized Selection Criteria and Characteristics of the New Sample
Maiorana, Carolina; Marisaldi, Martino; Lindanger, Anders; Østgaard, Nikolai; Ursi, Alessandro; Sarria, David; Galli, M.; Labanti, C.; Tavani, Marco; Pittori, C.; Verrecchia, F. (Journal article; Peer reviewed, 2020)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 ... -
AGILE Observations of GRB 220101A: A "new Year's Burst" with an Exceptionally Huge Energy Release
Ursi, A.; Romani, M.; Piano, G.; Verrecchia, F.; Longo, F.; Pittori, C.; Tavani, M.; Bulgarelli, A.; Cardillo, M.; Casentini, C.; Cattaneo, P.W.; Costa, E.; Feroci, M.; Fioretti, V.; Foffano, L.; Lucarelli, F.; Marisaldi, Martino; Morselli, A.; Pacciani, L.; Parmiggiani, N.; Tempesta, P.; Trois, A.; Vercellone, S. (Journal article; Peer reviewed, 2022)We report the AGILE observations of GRB 220101A, which took place at the beginning of 2022 January 1 and was recognized as one of the most energetic gamma-ray bursts (GRBs) ever detected since their discovery. The AGILE ... -
Analysis of Thunderstorms Producing Terrestrial Gamma Ray Flashes With the Meteosat Second Generation
Ursi, Alessandro; Marisaldi, Martino; Dietrich, Stefano; Tavani, Marco; Tiberia, A; Porcu, Federico (Peer reviewed; Journal article, 2019)Up to now, only few works focused on the meteorological context leading to the production of Terrestrial Gamma ray Flashes (TGFs). In this study, we carry out, for the first time, an analysis on large scale of the ... -
Characterization of Thunderstorm Cells Producing Observable Terrestrial Gamma-Ray Flashes
Husbjerg, Lasse Skaaning; Neubert, Torsten; Chanrion, Olivier; Marisaldi, Martino; Stendel, Martin; Kaas, Eigil; Østgaard, Nikolai; Reglero, Victor (Journal article; Peer reviewed, 2023)The meteorological conditions required for the production of Terrestrial Gamma-ray Flashes (TGFs) are not well understood. Particularly, the link between TGF production, meteorology, and weather severity is poorly characterized ... -
Constraining Spectral Models of a Terrestrial GammaRay Flash From a Terrestrial Electron Beam Observation by the Atmosphere-Space Interactions Monitor
Sarria, David Alexandre Stephan; Østgaard, Nikolai; Kochkin, Pavlo; Lehtinen, Nikolai Grigorievich; Mezentsev, Andrey; Marisaldi, Martino; Lindanger, Anders; Maiorana, Carolina; Carlson, Brant Edward; Neubert, Torsten; Reglero, Victor; Ullaland, Kjetil; Yang, Shiming; Genov, Georgi; Qureshi, Bilal Hasan; Budtz-Jørgensen, Carl; Kuvvetli, Irfan; Christiansen, Freddy; Chanrion, Olivier; Navarro-Gonzalez, Javier; Connel, P.; Eyles, Chris (Journal article; Peer reviewed, 2021)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 ... -
Detection of terrestrial gamma-ray flashes with the AGILE/MCAL
Ursi, Alessandro; Marisaldi, Martino; Tavani, Marco (Peer reviewed; Journal article, 2019)AGILE is one of the satellites currently detecting terrestrial gamma-ray flashes (TGFs). In particular, the AGILE MiniCALorimeter detected more than 2000 events in 8 years activity, by exploiting a unique sub-millisecond ... -
Enhanced detection of terrestrial gamma-ray flashes by AGILE
Marisaldi, Martino; Argan, A; Ursi, Alessandro; Gjesteland, Thomas; Fuschino, F; Labanti, C; Galli, M; Tavani, M; Pittori, C; Verrecchia, F; D´Amico, F.; Østgaard, Nikolai; Mereghetti, S; Campana, R; Cattaneo, PW; Bulgarelli, S; Colafrancesco, S; Dietrich, S; Longo, F; Gianotti, F.; Giommi, P; Rappoldi, A; Trifoglio, M; Trois, A (Peer reviewed; Journal article, 2015-11-06)At the end of March 2015 the onboard software configuration of the Astrorivelatore Gamma a Immagini Leggero (AGILE) satellite was modified in order to disable the veto signal of the anticoincidence shield for the minicalorimeter ... -
First 10 Months of TGF Observations by ASIM
Østgaard, Nikolai; Neubert, Torsten; Reglero, Victor; Ullaland, Kjetil; Yang, Shiming; Genov, Georgi; Marisaldi, Martino; Mezentsev, Andrey; Kochkin, Pavlo; Lehtinen, Nikolai; Sarria, David; Qureshi, Bilal Hasan; Solberg, Arne Olav; Maiorana, Carolina; Albrechtsen, Kjetil; Budtz-Jørgensen, Carl; Kuvvetli, Irfan; Christiansen, Freddy; Chanrion, Olivier; Heumesser, Matthias; Navarro-Gonzalez, Javier; Connell, Paul H.; Eyles, Christopher J; Christian, Hugh J.; Al-Nussirat, Samer (Peer reviewed; Journal article, 2019)The Atmosphere‐Space Interactions Monitor (ASIM) was launched to the International Space Station on 2 April 2018. The ASIM payload consists of two main instruments, the Modular X‐ray and Gamma‐ray Sensor (MXGS) for imaging ... -
Gamma Ray Glow Observations at 20-km Altitude
Østgaard, Nikolai; Christian, Hugh J.; Grove, J. Eric; Sarria, David; Mezentsev, Andrey; Kochkin, Pavlo; Lehtinen, Nikolai; Quick, Mason; Al-Nussirat, Samer; Wulf, Eric; Genov, Georgi; Ullaland, Kjetil; Marisaldi, Martino; Yang, Shiming; Blakeslee, Richard J. (Peer reviewed; Journal article, 2019)In the spring of 2017 an ER‐2 aircraft campaign was undertaken over continental United States to observe energetic radiation from thunderstorms and lightning. The payload consisted of a suite of instruments designed to ... -
Gamma ray storms: preliminary meteorological analysis of AGILE TGFs: Meteorology of AGILE TGF observations
Tiberia, Alessandra; Dietrich, Stefano; Porcu, Federico; Marisaldi, Martino; Ursi, Alessandro; Tavani, Marco (Peer reviewed; Journal article, 2019)Despite the recognition from their discovery that terrestrial gamma ray flashes (TGFs) originate from thunderstorms, little is known about the TGF-producing storms. The characteristics of such thunderstorms are investigated ... -
Library of Simulated Gamma-Ray Glows and Application to Previous Airborne Observations
Sarria, David Alexandre Stephan; Østgaard, Nikolai; Marisaldi, Martino; Lehtinen, Nikolai Grigorievich; Mezentsev, Andrey (Journal article; Peer reviewed, 2023)Gamma-Ray Glows (GRGs) are high energy radiation originating from thunderclouds, in the MeV energy regime, with typical duration of seconds to minutes, and sources extended over several to tens of square kilometers. GRGs ... -
A New AGILE MCAL Configuration to Detect Gamma-Ray Bursts and Sub-threshold Events in the Multimessenger Era
Ursi, Alessandro; Tavani, Marco; Verrecchia, Francesco; Marisaldi, Martino; Argan, Andrea; Trois, Alessio; Tempesta, Patrizio (Peer reviewed; Journal article, 2019)Starting in 2016 August, the onboard software configuration of the Astrorivelatore Gamma ad Immagini LEggero (AGILE) MiniCALorimeter (MCAL) was modified in order to increase the instrument trigger capabilities for the ... -
New WMO Certified Megaflash Lightning Extremes for Flash Distance and Duration Recorded from Space
Peterson, Michael J.; Lang, Timothy J.; Logan, Timothy; Kiong, Cheong Wee; Gijben, Morne; Holle, Ron; Kolmasova, Ivana; Marisaldi, Martino; Montanya, Joan; Pawar, Sunil D.; Zhang, Daile; Brunet, Manola; Cerveny, Randall S. (Journal article; Peer reviewed, 2022) -
Observation of intrinsically bright terrestrial gamma ray flashes from the Mediterranean basin
Gjesteland, Thomas; Østgaard, Nikolai; Laviola, Sante; Miglietta, M M; Arnone, Enrico; Marisaldi, Martino; Fuschino, F; Collier, Andrew B.; Fabro, F; Montanya, J (Peer reviewed; Journal article, 2015-12-14)We present three terrestrial gamma ray flashes (TGFs) observed over the Mediterranean basin by the Reuven Ramaty High Energy Solar Spectroscope Imager (RHESSI) satellite. Since the occurrence of these events in the ... -
On the High‐Energy Spectral Component and Fine Time Structure of Terrestrial Gamma Ray Flashes
Marisaldi, Martino; Galli, M.; Labanti, C.; Østgaard, Nikolai; Sarria, David; Cummer, S. A.; Lyu, F.; Lindanger, Anders; Campana, R.; Ursi, A.; Tavana, M; Fuschino, F.; Argan, A.; Trois, A.; Pittori, C.; Verrecchia, F (Journal article; Peer reviewed, 2019)Terrestrial gamma ray flashes (TGFs) are very short bursts of gamma radiation associated to thunderstorm activity and are the manifestation of the highest‐energy natural particle acceleration phenomena occurring on Earth. ... -
Production of Terrestrial Gamma-Ray Flashes During the Early Stages of Lightning Flashes
Lindanger, Anders; Skeie, Chris Alexander Kallevik; Marisaldi, Martino; Bjørge-Engeland, Ingrid; Østgaard, Nikolai; Mezentsev, Andrey; Sarria, David Alexandre Stephan; Lehtinen, Nikolai Grigorievich; Reglero, Victor; Chanrion, Olivier; Neubert, Torsten (Journal article, 2022)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 ... -
A Rapid Gamma-Ray Glow Flux Reduction Observed From 20 km Altitude
Kochkin, Pavlo; Sarria, David Alexandre Stephan; Lehtinen, Nikolai Grigorievich; Mezentsev, Andrey; Yang, Shiming; Genov, Georgi; Ullaland, Kjetil; Marisaldi, Martino; Østgaard, Nikolai; Christian, Hugh J.; Grove, J.E.; Quick, M.; Al-Nussirat, S.; Wulf, E (Journal article; Peer reviewed, 2021)Two gamma-ray glows were observed by a high-altitude NASA ER-2 aircraft flying at 20 km altitude over a thunderstorm in Colorado, USA. The flux of the first glow rapidly intensified and then abruptly decreased within a few ... -
The Second AGILE MCAL Gamma-Ray Burst Catalog: 13 yr of Observations
Ursi, A.; Romani, M.; Verrecchia, F.; Pittori, C.; Tavani, M.; Marisaldi, Martino; Galli, M.; Labanti, C.; Parmiggiani, N.; Bulgarelli, A.; Addis, A.; Baroncelli, L.; Cardillo, M.; Casentini, C.; Cattaneo, P.W.; Chen, A.; Di Piano, Piano; Fuschino, F.; Longo, F.; Lucarelli, F.; Morselli, A.; Piano, G.; Vercellone, S. (Journal article; Peer reviewed, 2022)We present the results of a systematic search and analysis of GRBs detected by the Astrorivelatore Gamma ad Immagini LEggero (AGILE) MiniCALorimeter (MCAL; 0.4–100 MeV) over a time frame of 13 yr, from 2007 to 2020 November. ... -
The Second Catalog of Interplanetary Network Localizations of Konus Short-duration Gamma-Ray Bursts
Svinkin, D.S.; Hurley, K.; Ridnaia, A.V.; Lysenko, A.L.; Frederiks, D.D.; Golenetskii, S.V.; Tsvetkova, A.E.; Ulanov, M.V.; Kokomov, A.; Cline, T.L.; Mitrofanov, I.; Golovin, D.; Kozyrev, A.; Litvak, M.; Sanin, A.; Goldstein, A.; Briggs, M.S.; Wilson-Hodge, C.; Burns, E.; Von Kienlin, Kienlin; Zhang, X.-L.; Rau, A.; Savchenko, V.; Bozzo, E.; Ferrigno, C.; Barthelmy, S.; Cummings, J.; Krimm, H.; Palmer, D.M.; Tohuvavohu, A.; Yamaoka, K.; Ohno, M.; Fukazawa, Y.; Hanabata, Y.; Takahashi, T.; Tashiro, M.; Terada, Y.; Murakami, T.; Makishima, K.; Boynton, W.; Fellows, C.W.; Harshman, K.P.; Enos, H.; Starr, R.; Goldsten, J.; Gold, R.; Ursi, A.; Tavani, M.; Bulgarelli, A.; Casentini, C.; Del Monte, Monte; Evangelista, Y.; Galli, M.; Longo, F.; Marisaldi, Martino; Parmiggiani, N.; Pittori, C.; Romani, M.; Verrecchia, F.; Smith, D.M.; Hajdas, W.; Xiao, S.; Cai, C.; Yi, Q.B.; Zhang, Y.Q.; Xiong, S.L.; Li, X.B.; Huang, Y.; Li, C.K.; Zhang, S.N.; Song, L.M.; Liu, C.Z.; Li, X.Q.; Peng, W.X.; Martinez-Castellanos, I. (Journal article; Peer reviewed, 2022)We present the catalog of InterPlanetary Network (IPN) localizations for 199 short-duration gamma-ray bursts (sGRBs) detected by the Konus-Wind (KW) experiment between 2011 January 1 and 2021 August 31, which extends the ...