Francesco Fenu
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View article: The Extreme Universe Observatory on a Super-Pressure Balloon II: Mission, Payload, and Flight
The Extreme Universe Observatory on a Super-Pressure Balloon II: Mission, Payload, and Flight Open
The Extreme Universe Space Observatory on a Super Pressure Balloon 2 (EUSO-SPB2) is a pathfinder mission toward a space-based observatory such as the Probe of Extreme Multi-Messenger Astrophysics (POEMMA). The aim of POEMMA is the observat…
View article: High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet
High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet Open
Blazars, supermassive black hole systems with highly relativistic jets aligned with the line of sight, are the most powerful long-lived emitters of electromagnetic emission in the Universe. We report here on a radio-to-gamma-ray multiwavel…
View article: The Mini-EUSO telescope on board the International Space Station: mission results in view of UHECR measurements from space
The Mini-EUSO telescope on board the International Space Station: mission results in view of UHECR measurements from space Open
View article: IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare
IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare Open
The X-ray polarization observations, made possible with the Imaging X-ray Polarimetry Explorer (IXPE), offer new ways of probing high-energy emission processes in astrophysical jets from blazars. Here, we report the first X-ray polarizatio…
View article: Ideas and Requirements for the Global Cosmic-Ray Observatory (GCOS)
Ideas and Requirements for the Global Cosmic-Ray Observatory (GCOS) Open
After a successful kick-off meeting in 2021. two workshops in 2022 and 2023 on the future Global Cosmic-Ray Observatory (GCOS) focused mainly on a straw man design of the detector and science possibilities for astro- and particle physics. …
View article: IXPE Observation of the Low-Synchrotron Peaked Blazar S4 0954+65 During An Optical-X-ray Flare
IXPE Observation of the Low-Synchrotron Peaked Blazar S4 0954+65 During An Optical-X-ray Flare Open
The X-ray polarization observations made possible with the Imaging X-ray Polarimetry Explorer (IXPE) offer new ways of probing high-energy emission processes in astrophysical jets from blazars. Here we report on the first X-ray polarizatio…
View article: Detection limits and trigger rates for ultra-high energy cosmic ray detection with the EUSO-TA ground-based fluorescence telescope
Detection limits and trigger rates for ultra-high energy cosmic ray detection with the EUSO-TA ground-based fluorescence telescope Open
International audience
View article: Observation of meteors from space with the Mini-EUSO detector on board the International Space Station
Observation of meteors from space with the Mini-EUSO detector on board the International Space Station Open
Context . Observations of meteors in the Earth’s atmosphere offer a unique tool for determining the flux of meteoroids that are too small to be detected by direct telescopic observations. Although these objects are routinely observed from …
View article: Detection of X-Ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-Ray Polarimetry Explorer
Detection of X-Ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-Ray Polarimetry Explorer Open
Observations of linear polarization in the 2–8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating nonthermal radiation in relativistic jets of blaz…
View article: Detection of X-ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-ray Polarimetry Explorer
Detection of X-ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-ray Polarimetry Explorer Open
Observations of linear polarization in the 2-8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating non-thermal radiation in relativistic jets of bla…
View article: EUSO-Offline: A comprehensive simulation and analysis framework
EUSO-Offline: A comprehensive simulation and analysis framework Open
The complexity of modern cosmic ray observatories and the rich data sets they capture often require a sophisticated software framework to support the simulation of physical processes, detector response, as well as reconstruction and analys…
View article: Refined STACK-CNN for Meteor and Space Debris Detection in Highly Variable Backgrounds
Refined STACK-CNN for Meteor and Space Debris Detection in Highly Variable Backgrounds Open
In this article, we present cutting-edge machine learning-based techniques for the detection and reconstruction of meteors and space debris in the Mini-EUSO experiment, a detector installed on board of the International Space Station, and …
View article: JEM-EUSO Collaboration contributions to the 38th International Cosmic Ray Conference
JEM-EUSO Collaboration contributions to the 38th International Cosmic Ray Conference Open
This is a collection of papers presented by the JEM-EUSO Collaboration at the 38th International Cosmic Ray Conference (Nagoya, Japan, July 26-August 3, 2023)
View article: Developments and results in the context of the JEM-EUSO program obtained with the ESAF simulation and analysis framework
Developments and results in the context of the JEM-EUSO program obtained with the ESAF simulation and analysis framework Open
View article: An end-to-end calibration of the Mini-EUSO detector in space
An end-to-end calibration of the Mini-EUSO detector in space Open
Mini-EUSO is a wide Field-of-View (FoV, 44$^{\circ}$) telescope currently in operation from a nadia-facing UV-transparent window in the Russian Zvezda module on the International Space Station (ISS). It is the first detector of the JEM-EUS…
View article: Neural Network Based Approach to Recognition of Meteor Tracks in the Mini-EUSO Telescope Data
Neural Network Based Approach to Recognition of Meteor Tracks in the Mini-EUSO Telescope Data Open
Mini-EUSO is a wide-angle fluorescence telescope that registers ultraviolet (UV) radiation in the nocturnal atmosphere of Earth from the International Space Station. Meteors are among multiple phenomena that manifest themselves not only in…
View article: Measurement of UHECR energy spectrum with the Pierre Auger Observatory and the Telescope Array
Measurement of UHECR energy spectrum with the Pierre Auger Observatory and the Telescope Array Open
The measurement of the energy spectrum of ultra-high-energy cosmic rays (UHECRs) is of crucial importance to clarify their origin, acceleration mechanisms, and propagation processes in inter-Galactic and Galactic space. The Pierre Auger Ob…
View article: EUSO-SPB1 mission and science
EUSO-SPB1 mission and science Open
View article: The Compton Spectrometer and Imager
The Compton Spectrometer and Imager Open
The Compton Spectrometer and Imager (COSI) is a NASA Small Explorer (SMEX) satellite mission in development with a planned launch in 2027. COSI is a wide-field gamma-ray telescope designed to survey the entire sky at 0.2-5 MeV. It provides…
View article: The cosipy library: COSI's high-level analysis software
The cosipy library: COSI's high-level analysis software Open
The Compton Spectrometer and Imager (COSI) is a selected Small Explorer (SMEX) mission launching in 2027. It consists of a large field-of-view Compton telescope that will probe with increased sensitivity the under-explored MeV gamma-ray sk…
View article: An end-to-end calibration of the Mini-EUSO detector in space
An end-to-end calibration of the Mini-EUSO detector in space Open
Mini-EUSO is a wide Field-of-View (FoV, 44◦) telescope currently in operation from a nadia-facing UV-transparent window in the Russian Zvezda module on the International Space Station (ISS).\nIt is the first detector of the JEM-EUSO progra…
View article: The cosipy library: COSI’s high-level analysis software
The cosipy library: COSI’s high-level analysis software Open
The Compton Spectrometer and Imager (COSI) is a selected Small Explorer (SMEX) mission launching in 2027. It consists of a large field-of-view Compton telescope that will probe with increased sensitivity the under-explored MeV gamma-ray sk…
View article: “Ultra-High-Energy Cosmic-Rays (UHECR): at the Intersection of the Cosmic and Energy Frontiers” -- Overview of the Snowmass UHECR white paper and roadmap
“Ultra-High-Energy Cosmic-Rays (UHECR): at the Intersection of the Cosmic and Energy Frontiers” -- Overview of the Snowmass UHECR white paper and roadmap Open
As part of the US "Snowmass" community planning exercise, the UHECR community has come together to write a comprehensive white paper discussing the recent progress and open questions of the field, as they relate to the overarching goals of…
View article: Implications of Mini-EUSO measurements for a space-based observation of UHECRs
Implications of Mini-EUSO measurements for a space-based observation of UHECRs Open
Mini-EUSO is the first mission of the JEM-EUSO program on board the International Space\nStation. It was launched in August 2019 and it is operating since October 2019 being located in\nthe Russian section (Zvezda module) of the station an…
View article: Dataset of night-time emissions of the Earth in the near UV range (290-430 nm), with 6.3 km resolution in the latitude range -51.6<L<+51.6 degrees, acquired on board the International Space Station with the Mini-EUSO detector
Dataset of night-time emissions of the Earth in the near UV range (290-430 nm), with 6.3 km resolution in the latitude range -51.6<L<+51.6 degrees, acquired on board the International Space Station with the Mini-EUSO detector Open
View article: The Mini-EUSO telescope on board the International Space Station: first results in view of UHECR measurements from space
The Mini-EUSO telescope on board the International Space Station: first results in view of UHECR measurements from space Open
Mini-EUSO is a telescope launched on board the International Space Station in 2019 and currently located in the Russian section of the station and viewing our planet from a nadir facing UV-transparent window in the Zvezda module. The instr…
View article: Ultra high energy cosmic rays The intersection of the Cosmic and Energy Frontiers
Ultra high energy cosmic rays The intersection of the Cosmic and Energy Frontiers Open
View article: Implications of Mini-EUSO measurements for a space-based observation of UHECRs
Implications of Mini-EUSO measurements for a space-based observation of UHECRs Open
Mini-EUSO is the first mission of the JEM-EUSO program on board the International Space Station. It was launched in 2019 and it is currently located in the Russian section (Zvezda module) of the station and viewing our planet from a nadir-…
View article: The energy spectrum of ultra-high energy cosmic rays measured at the Pierre Auger Observatory and the Telescope Array
The energy spectrum of ultra-high energy cosmic rays measured at the Pierre Auger Observatory and the Telescope Array Open
In the study of cosmic rays, the measurement of the energy spectrum of the primaries is one of the main issues and provides fundamental information on the most energetic phenomena in the Universe. At ultrahigh energies, beyond 10 18 eV, th…
View article: An end-to-end in-flight calibration of Mini-EUSO detector
An end-to-end in-flight calibration of Mini-EUSO detector Open
Mini-EUSO is a wide Field-of-View (FoV, 44°) telescope currently in operation from a nadir-facing UV-transparent window in the Russian Zvezda module on the International Space Station (ISS). It is the first detector of the JEM-EUSO program…