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Publications (10 of 12) Show all publications
Abdellaoui, G., Abe, S., Adams, J. H., Ahriche, A., Allard, D., Allen, L., . . . Marchi, A. Z. (2018). First observations of speed of light tracks by a fluorescence detector looking down on the atmosphere. Journal of Instrumentation, 13, Article ID P05023.
Open this publication in new window or tab >>First observations of speed of light tracks by a fluorescence detector looking down on the atmosphere
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2018 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 13, article id P05023Article in journal (Refereed) Published
Abstract [en]

EUSO-Balloon is a pathfinder mission for the Extreme Universe Space Observatory onboard the Japanese Experiment Module (JEM-EUSO). It was launched on the moonless night of the 25(th) of August 2014 from Timmins, Canada. The flight ended successfully after maintaining the target altitude of 38 km for five hours. One part of the mission was a 2.5 hour underflight using a helicopter equipped with three UV light sources (LED, xenon flasher and laser) to perform an inflight calibration and examine the detectors capability to measure tracks moving at the speed of light. We describe the helicopter laser system and details of the underflight as well as how the laser tracks were recorded and found in the data. These are the first recorded laser tracks measured from a fluorescence detector looking down on the atmosphere. Finally, we present a first reconstruction of the direction of the laser tracks relative to the detector.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD, 2018
Keywords
Detectors for UV, visible and IR photons, Lasers, Balloon instrumentation, Space instrumentation
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-231633 (URN)10.1088/1748-0221/13/05/P05023 (DOI)000432931100003 ()2-s2.0-85048075268 (Scopus ID)
Note

QC 20180903

Available from: 2018-09-03 Created: 2018-09-03 Last updated: 2018-09-03Bibliographically approved
Fausti, F., Bertaina, M., Miyamoto, H., Fenu, F., Mignone, M., Durando, S., . . . Klimov, P. (2017). A multi-level triggering system for the Mini-EUSO UV telescope. In: Proceedings of Science: . Paper presented at 2017 Topical Workshop on Electronics for Particle Physics, TWEPP 2017, 11 September 2017 through 14 September 2017. Sissa Medialab Srl
Open this publication in new window or tab >>A multi-level triggering system for the Mini-EUSO UV telescope
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2017 (English)In: Proceedings of Science, Sissa Medialab Srl , 2017Conference paper, Published paper (Refereed)
Abstract [en]

As a pathfinder for the JEM-EUSO mission, Mini-EUSO is a 25cm diameter telescope which is going to be launched and positioned inside the International Space Station (ISS) in 2018. The main scientific goal of this mission is the achievement of a state-of-the-art UV map of the Earth from a 400 Km altitude, with ∼ 6 km of pixel spatial resolution, collecting data though a multi-level triggering system. The signal is collected with Multi-Anode Photo Multiplier Tubes (MAPMTs) and digitized by means of custom chips. The raw data moves then to a central system, the Zynq Board, where the trigger operates a data selection dividing different classes of events characterized by specific time scales. The acquired UV map will be used as discrimination threshold for the Extreme Energy Cosmic-Ray detection. 

Place, publisher, year, edition, pages
Sissa Medialab Srl, 2017
Keywords
Cosmic ray detectors, Cosmology, Photomultipliers, Positron emission tomography, Space stations, Telescopes, Central systems, Different class, Discrimination thresholds, International Space stations, Multi-Anode Photo-Multipliers, Spatial resolution, State of the art, Triggering systems, Cosmic rays
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
urn:nbn:se:kth:diva-236833 (URN)2-s2.0-85050507788 (Scopus ID)
Conference
2017 Topical Workshop on Electronics for Particle Physics, TWEPP 2017, 11 September 2017 through 14 September 2017
Note

QC 20181221

Available from: 2018-12-21 Created: 2018-12-21 Last updated: 2018-12-21Bibliographically approved
Abdellaoui, G., Capel, F., Carlson, P., Fuglesang, C., Larsson, O., Zuccaro Marchi, A. & et.al., . (2017). Cosmic ray oriented performance studies for the JEM-EUSO first level trigger. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 150-163
Open this publication in new window or tab >>Cosmic ray oriented performance studies for the JEM-EUSO first level trigger
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2017 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, p. 150-163Article in journal (Refereed) Published
Abstract [en]

JEM-EUSO is a space mission designed to investigate Ultra-High Energy Cosmic Rays and Neutrinos (E > 5.10(19) eV) from the International Space Station (ISS). Looking down from above its wide angle telescope is able to observe their air showers and collect such data from a very wide area. Highly specific trigger algorithms are needed to drastically reduce the data load in the presence of both atmospheric and human activity related background light, yet retain the rare cosmic ray events recorded in the telescope. We report the performance in offline testing of the first level trigger algorithm on data from JEM-EUSO prototypes and laboratory measurements observing different light sources: data taken during a high altitude balloon flight over Canada, laser pulses observed from the ground traversing the real atmosphere, and model landscapes reproducing realistic aspect ratios and light conditions as would be seen from the ISS itself. The first level trigger logic successfully kept the trigger rate within the permissible bounds when challenged with artificially produced as well as naturally encountered night sky background fluctuations and while retaining events with general air-shower characteristics.

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
JEM-EUSO; Trigger system; FPGA; Nightglow background
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-214415 (URN)10.1016/j.nima.2017.05.043 (DOI)000407863700020 ()2-s2.0-85021224738 (Scopus ID)
Note

QC 20170913

Available from: 2017-09-13 Created: 2017-09-13 Last updated: 2017-09-13Bibliographically approved
Capel, F., Belov, A., Casolino, M. & Klimov, P. (2017). Mini-EUSO: A high resolution detector for the study of terrestrial and cosmic UV emission from the International Space Station. Advances in Space Research
Open this publication in new window or tab >>Mini-EUSO: A high resolution detector for the study of terrestrial and cosmic UV emission from the International Space Station
2017 (English)In: Advances in Space Research, ISSN 0273-1177, E-ISSN 1879-1948Article in journal (Refereed) Published
Abstract [en]

The Mini-EUSO instrument is a UV telescope to be placed inside the International Space Station (ISS), looking down on the Earth from a nadir-facing window in the Russian Zvezda module. Mini-EUSO will map the earth in the UV range (300-400. nm) with a spatial resolution of 6.11. km and a temporal resolution of 2.5. μs, offering the opportunity to study a variety of atmospheric events such as transient luminous events (TLEs) and meteors, as well as searching for strange quark matter and bioluminescence. Furthermore, Mini-EUSO will be used to detect space debris to verify the possibility of using a EUSO-class telescope in combination with a high energy laser for space debris remediation. The high-resolution mapping of the UV emissions from Earth orbit allows Mini-EUSO to serve as a pathfinder for the study of Extreme Energy Cosmic Rays (EECRs) from space by the JEM-EUSO collaboration. 

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
Earth observation, EECR, EUSO, Fluorescence detection, ISS, UV observation
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
urn:nbn:se:kth:diva-215040 (URN)10.1016/j.asr.2017.08.030 (DOI)000449448700016 ()2-s2.0-85029208980 (Scopus ID)
Note

Export Date: 29 September 2017; Article in Press; CODEN: ASRSD; Correspondence Address: Capel, F.email: capel@kth.se. QC 20171003

Available from: 2017-09-29 Created: 2017-09-29 Last updated: 2018-12-07Bibliographically approved
Piotrowski, L. W., Belov, A., Capel, F. & collaboration, J.-E. (2017). Mini-EUSO data processing and quasi-real time analysis. In: Proceedings of Science: . Paper presented at 35th International Cosmic Ray Conference, ICRC 2017, Bexco, Busan, South Korea, 10 July 2017 through 20 July 2017. Sissa Medialab Srl
Open this publication in new window or tab >>Mini-EUSO data processing and quasi-real time analysis
2017 (English)In: Proceedings of Science, Sissa Medialab Srl , 2017Conference paper, Published paper (Refereed)
Abstract [en]

Mini-EUSO is a telescope that will observe ultra-violet night-time light emission of Earth. It will watch the atmosphere through a UV transparent window of the International Space Station. The main data stream is composed of regularly sampled exposures integrated on three different time scales: microseconds, milliseconds and seconds. This, accompanied by visible and near infra red images will be sent to Earth on hard drives for analysis. We present here the general dataprocessing scheme for the mission, including the data format and the tools for quick view and first analysis of the collected data. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives 4.0 International License (CC BY-NC-ND 4.0).

Place, publisher, year, edition, pages
Sissa Medialab Srl, 2017
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-229301 (URN)2-s2.0-85046055736 (Scopus ID)
Conference
35th International Cosmic Ray Conference, ICRC 2017, Bexco, Busan, South Korea, 10 July 2017 through 20 July 2017
Funder
Stiftelsen Olle Engkvist Byggmästare
Note

QC 20180604

Available from: 2018-06-04 Created: 2018-06-04 Last updated: 2018-06-04Bibliographically approved
Capel, F., Fuglesang, C., Casolino, M., Piotrowski, L. & Collaboration, J.-E. E. (2017). Mini-EUSO flight software and operations on ISS. In: Proceedings of Science: . Paper presented at 35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017. Sissa Medialab Srl
Open this publication in new window or tab >>Mini-EUSO flight software and operations on ISS
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2017 (English)In: Proceedings of Science, Sissa Medialab Srl , 2017Conference paper, Published paper (Refereed)
Abstract [en]

The Mini-EUSO instrument is designed by the JEM-EUSO collaboration to pave the way for space-based observations of Extreme Energy Cosmic Rays (EECRs). To be placed inside the International Space Station (ISS) in early 2018, it is a small UV (300-400 nm) telescope which will observe the Earth's atmosphere with a spatial resolution of 6.11 km. Mini-EUSO is capable of detecting a wide variety of UV events such as cosmic ray signals, transient luminous events and meteors with a minimum time resolution of 2.5 μs. It will also be possible to detect space debris during twilight periods. The flight software is fully automated and takes advantage of the frequent day/night cycles of the ISS orbit and ancillary instruments with which Mini-EUSO is equipped in order to optimise the mission's scientific output. The flight operations of Mini-EUSO are presented including the data acquisition, storage and transfer, astronaut interaction and predicted instrument duty cycle. 

Place, publisher, year, edition, pages
Sissa Medialab Srl, 2017
Keywords
Cosmology, Data acquisition, Digital storage, Earth atmosphere, Orbits, Space debris, Space stations, Extreme energy cosmic rays, Flight operation, Flight Software, International Space stations, Scientific output, Space-based observations, Spatial resolution, Transient luminous events, Cosmic rays
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
urn:nbn:se:kth:diva-236846 (URN)2-s2.0-85046054225 (Scopus ID)
Conference
35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017
Funder
Stiftelsen Olle Engkvist Byggmästare
Note

QC 20181214

Available from: 2018-12-14 Created: 2018-12-14 Last updated: 2019-04-08Bibliographically approved
Belov, A., Klimov, P., Capel, F., Bertaina, M., Fausti, F. & Mignone, M. (2017). Mini-EUSO photodetector module data processing system. In: Proceedings of Science: . Paper presented at 35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017. Sissa Medialab Srl
Open this publication in new window or tab >>Mini-EUSO photodetector module data processing system
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2017 (English)In: Proceedings of Science, Sissa Medialab Srl , 2017Conference paper, Published paper (Refereed)
Abstract [en]

Mini-EUSO is a UV telescope which is developed by the JEM-EUSO collaboration to be placed on board the International Space Station (ISS) to carry out measurements of UV atmosphere airglow and transient luminous events (TLEs) in a wide field of view (>40°) and high temporal resolution (2.5 μs). Mini-EUSO is developed to be a space qualified pathfinder of future JEMEUSO missions. Optical system of the detector consists of two Fresnel lenses of 25 cm diameter. The focal surface is composed of 36 produced by Hamamatsu multi anode photomultiplier tubes (MAPMT), each with 64 pixels. The output signal of all 2304 pixels is digitized and then passed to the data processing system that was specially developed for the experiment and is being discussed in this work. Data processing system is based on produced by Xilinx ZYNQ chip that contains both programmable part (FPGA) and processor. Such combination in a single chip gives a big advantage for processing a data gathered from focal surface including fast multi-level trigger algorithms, data buffering, MAPMTs high voltage control algorithms, interfaces with front-end electronics and with the separate central processor unit for data storage. The multi-level trigger was developed for the mini-EUSO instrument to perform measurements in various time scales (temporal resolutions 2.5 μs, 320 μs, 40 ms). This trigger was successfully implemented and tested. 

Place, publisher, year, edition, pages
Sissa Medialab Srl, 2017
Keywords
Cosmic rays, Cosmology, Digital storage, Lenses, Optical systems, Photomultipliers, Pixels, Space stations, Central processor units, Data processing systems, Front end electronics, High temporal resolution, International Space stations, Multi-anode photomultiplier tubes, Photodetector modules, Transient luminous events, Data handling
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
urn:nbn:se:kth:diva-236858 (URN)2-s2.0-85046055804 (Scopus ID)
Conference
35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017
Funder
Stiftelsen Olle Engkvist Byggmästare
Note

QC 20181218

Available from: 2018-12-18 Created: 2018-12-18 Last updated: 2018-12-18Bibliographically approved
Casolino, M., Belov, A., Bertaina, M., Cambie, G., Capel, F., Ebisuzaki, T., . . . collaboration, J.-E. (2017). Science of Mini-EUSO detector on board the International Space Station. In: Proceedings of Science: . Paper presented at 35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017. Sissa Medialab Srl
Open this publication in new window or tab >>Science of Mini-EUSO detector on board the International Space Station
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2017 (English)In: Proceedings of Science, Sissa Medialab Srl , 2017Conference paper, Published paper (Refereed)
Abstract [en]

The Mini-EUSO space experiment ("UV atmosphere" in Russian Space Program) is a telescope designed to perform observations of night-time Earth in the UV spectrum. The instrument comprises a compact telescope with a large field of view (44°x44°), based on an optical system employing two 25 cm diameter Fresnel lenses (focal length ∼ 30 cm) for increased light collection. Mini-EUSO will study different scientific phenomena ranging from strange quark matter and Ultra High Energy Cosmic Rays (UHECRs) to bioluminescence and atmospheric physics. It will also create the first night-time map of the Earth in UV light. The mission will raise the technology readiness level (TRL) of the future JEM-EUSO missions to observe UHECRs from space. The Mini-EUSO measurements will be performed from the ISS through a UV transparent window in the Russian Zvezda Service Module. Launch is foreseen between Autumn 2017 and beginning 2018 in the framework of the next manned ASI (Italian Space Agency) flight and observations are supposed to continue with Russian cosmonauts for several years. 

Place, publisher, year, edition, pages
Sissa Medialab Srl, 2017
Keywords
Cosmology, Earth atmosphere, Geophysics, Lenses, Manned space flight, Optical systems, Space stations, Telescopes, Ultraviolet spectroscopy, Atmospheric physics, International Space stations, Italian Space Agency, Large field of views, Light collection, Space experiments, Technology readiness levels, Ultra high-energy cosmic rays, Cosmic rays
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
urn:nbn:se:kth:diva-236871 (URN)2-s2.0-85046057074 (Scopus ID)
Conference
35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017
Funder
Stiftelsen Olle Engkvist Byggmästare
Note

QC 20181214

Available from: 2018-12-14 Created: 2018-12-14 Last updated: 2018-12-14Bibliographically approved
Belov, A., Bertaina, M., Capel, F., Fausti, F., Fenu, F., Klimov, P., . . . Miyamoto, H. (2017). The integration and testing of the Mini-EUSO multi-level trigger system. Advances in Space Research
Open this publication in new window or tab >>The integration and testing of the Mini-EUSO multi-level trigger system
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2017 (English)In: Advances in Space ResearchArticle in journal (Refereed) Published
Abstract [en]

The Mini-EUSO telescope is designed by the JEM-EUSO Collaboration to observe the UV emission of the Earth from the vantage point of the International Space Station (ISS) in low Earth orbit. The main goal of the mission is to map the Earth in the UV, thus increasing the technological readiness level of future EUSO experiments and to lay the groundwork for the detection of Extreme Energy Cosmic Rays (EECRs) from space (Ebisuzaki et al., 2014). Due to its high time resolution of 2.5 μs, Mini-EUSO is capable of detecting a wide range of UV phenomena in the Earth’s atmosphere. In order to maximise the scientific return of the mission, it is necessary to implement a multi-level trigger logic for data selection over different timescales. This logic is key to the success of the mission and thus must be thoroughly tested and carefully integrated into the data processing system prior to the launch. This article introduces the motivation behind the trigger design and details the integration and testing of the logic.

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
Front-end, Readout electronics, Trigger, DAQ, Data management, EUSOEECRs
National Category
Natural Sciences
Identifiers
urn:nbn:se:kth:diva-217914 (URN)10.1016/j.asr.2017.10.044 (DOI)000449448700017 ()2-s2.0-85033381278 (Scopus ID)
Note

Export Date: 20 November 2017; Article in Press. QC 20171206

Available from: 2017-11-20 Created: 2017-11-20 Last updated: 2018-12-07Bibliographically approved
Capel, F., Belov, A., Bertaina, M., Fausti, F., Miyamoto, H. & Collaboration, J.-E. E. (2017). The mini-EUSO multi-level trigger algorithm and its performance. In: Proceedings of Science: . Paper presented at 35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017, Korea. Sissa Medialab Srl
Open this publication in new window or tab >>The mini-EUSO multi-level trigger algorithm and its performance
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2017 (English)In: Proceedings of Science, Sissa Medialab Srl , 2017Conference paper, Published paper (Refereed)
Abstract [en]

The Mini-EUSO telescope is designed by the JEM-EUSO Collaboration to observe the UV emission of the Earth from the vantage point of the International Space Station in low Earth orbit. The main goal of the mission is to map the Earth in the UV, thus increasing the technological readiness level of future EUSO experiments and to lay the groundwork for the detection of Extreme Energy Cosmic Rays (EECRs) from space. Due to its high time resolution of 2.5 μs, Mini-EUSO is capable of detecting a wide range of UV phenomena in the Earth's atmosphere. In order to maximise the scientific return of the mission, it is necessary to implement a multi-level trigger logic for data selection on various different timescales. This logic is key to the success of the mission and thus must be thoroughly tested and integrated into the data processing system prior to launch. This article introduces the motivation behind the trigger design and details the testing of the logic through simulations and data taken at the TurLab facility. 

Place, publisher, year, edition, pages
Sissa Medialab Srl, 2017
Keywords
Binary alloys, Computer circuits, Cosmology, Data handling, Earth atmosphere, Orbits, Space stations, Data processing systems, Data Selection, Extreme energy cosmic rays, High-time resolution, International Space stations, Low earth orbits, Technological readiness levels, Trigger algorithms, Cosmic rays
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
urn:nbn:se:kth:diva-236869 (URN)2-s2.0-85046056645 (Scopus ID)
Conference
35th International Cosmic Ray Conference, ICRC 2017, 10 July 2017 through 20 July 2017, Korea
Funder
Stiftelsen Olle Engkvist Byggmästare
Note

QC 20181214

Available from: 2018-12-14 Created: 2018-12-14 Last updated: 2018-12-14Bibliographically approved
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Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-1153-2139

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