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7. The X and Gamma-ray Imager and Spectrometer on board THESEUS: status and technological progressesMattioli, Giulia (INAF-OAS Bologna)14/05/2025, 09:00Oral
THESEUS (Transient High-Energy Sky and Early Universe Surveyor) is one of the three M7 mission candidates currently in Phase A for assessment and launch opportunity in 2037. The mission is designed to provide unprecedented capabilities for detecting and characterizing X-ray and gamma-ray transients, supporting time-domain and multi-messenger astrophysics. A key instrument on board THESEUS is...
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Tatischeff, Vincent (IJCLab)14/05/2025, 09:25Oral
newASTROGAM is a breakthrough mission concept for the study of the non-thermal Universe from space with gamma rays in the energy range from 100 keV to 3 GeV. It is based on an advanced space-proven detector technology, which will achieve unprecedented sensitivity, angular and energy resolution combined with polarimetric capability. Since the MeV gamma-ray energy range is the most...
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Fukazawa, Yasushi14/05/2025, 09:50Oral
Gamma-ray and multimessenger astrophysics are frontiers for discovery and uniquely provide access to the extreme processes that sculpt the universe. As a priority theme of the Astro2020 Decadal Survey report: New Messengers New Physics, this science is poised to revolutionize our understanding of the extreme universe. The All-sky Medium Energy Gamma-ray Observatory eXplorer (AMEGO-X) is...
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Metzler, Zachary14/05/2025, 10:15Oral
ComPair is a prototype of the probe-class All-Sky Medium Energy Gamma-ray Observatory (AMEGO), which aims to fill the MeV gap. The instrument consists of four detector subsystems: a Silicon strip tracker, CZT and CsI calorimeters, and a plastic scintillator anti-coincidence detector. ComPair completed a 6.5-hour high altitude balloon flight on August 23, 2023 from Fort Sumner, NM. I will...
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Tomsick, John (Space Sciences Laboratory / University of California, Berkeley)14/05/2025, 10:55Oral
The Compton Spectrometer and Imager (COSI) is an upcoming NASA Small Explorer (SMEX) satellite mission with a planned Falcon 9 launch in 2027. COSI operates as a Compton telescope in the 0.2-5 MeV gamma-ray bandpass, it has an instantaneous field of view of >25%-sky, and it obtains coverage the entire sky every day. COSI provides imaging, spectroscopy, and polarimetry of astrophysical...
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De Mitri, Ivan (Gran Sasso Science Institute (IT))14/05/2025, 11:20Oral
The Crystal Eye detector is an all-sky spaceborne gamma-ray monitor intended to cover the energy range between 10 keV - 30 MeV, a region currently lacking of extensive observations and monitoring. To optimize its design and estimate its scientific potential, it is essential to understand the environment where it will operate and how it could affect the observation process. With this aim, we...
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Krizmanic, John Francis (NASA-Natl. Aeronaut. & Space Admin. (US))14/05/2025, 11:45Oral
The Galactic Annihilation Line Explorer (GALE) mission will address a long-outstanding question in our understanding of the sources of Galactic positrons: whether they are produced by unresolved astrophysical sources or created via diffuse processes, possibly due to dark matter decays and/or interactions. This problem of Galactic positrons that produce 511-keV gamma-ray emission from the...
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Gargano, Fabio (Univ. + INFN), Mazziotta, Nicola (Universita e INFN, Bari (IT))14/05/2025, 12:10Oral
The astrophysical community is currently focusing on the development of next-generation gamma-ray telescopes designed to detect low-energy photons in the MeV-GeV range, operating in both the Compton and pair conversion regimes. The proposed Advanced Particle-astrophysics Telescope (APT) is a MeV-TeV gamma-ray space-based planned mission aimed at providing an order of magnitude improvement in...
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Fariña, Luis (IFAE-BIST)14/05/2025, 12:35Oral
Assessing the performance of a gamma-ray detector in the GeV energy range with an effective 2-pi field of view (FoV) in space is relevant for the design of future missions aimed at the study of the high energy emission of transient events. Such a design offers a significant advantage for detecting short-duration gamma-ray bursts (GRBs), which can be as short as only a fraction of a second....
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Monti Guarnieri, Pietro (Universita e INFN, Ferrara (IT))14/05/2025, 13:00Oral
High-density and high-Z crystals are a key element of most detectors used to observe High Energy (HE) $\gamma-$rays and cosmic rays from space, such as Fermi-LAT and DAMPE. The lattice structure of these materials is usually ignored for all practical purposes, such as instrument calibration or simulation. However, recent studies have shown that this is a rough approximation, since $e^\pm$ and...
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Dr Soffitta, Paolo (INAF-IAPS)15/05/2025, 09:00Oral
The launch of the Imaging X-ray Polarimetry Explorer (IXPE) on December 9, 2021, marked a transformative milestone in high-energy astrophysics, solidifying X-ray polarimetry as the "Holy Grail" of this field. IXPE has not only met but has consistently upheld its pre-launch performance expectations, operating with an impressive duty cycle close to 100%. In particular detectors are compliant...
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Mr Tugliani, Stefano (UNITO - INFN Sezione Torino)15/05/2025, 09:25Oral
The Imaging X-ray Polarimetry Explorer (IXPE) is a NASA-ASI space mission launched in 2021 and it is the current state-of-the-art of astrophysical X-ray polarimetry. It measures the linear polarization of different astrophysical sources over the photon energy range 2-8 keV.
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Its core detector is the Gas Pixel Detector (GPD): it employs the photoelectric effect and the polarization is recovered... -
Muleri, Fabio15/05/2025, 09:50Oral
The successful detection by the IXPE mission of X-ray polarization from tens
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of celestial sources belonging to different classes has opened a new window in
X-ray astronomy. While an impressive number of scientific topics have already
been tackled by IXPE, many of them would benefit from a new class of
instrumentation which could be launched in a relatively short time-scale. In
this... -
Dr De Angelis, Nicolas (INAF-IAPS)15/05/2025, 10:15Oral
The CUbesat Solar Polarimeter (CUSP) project is a CubeSat mission planned for a launch in low-Eart orbit and aimed to measure the linear polarization of solar flares in the hard X-ray band by means of a Compton scattering polarimeter. CUSP will allow to study the magnetic reconnection and particle acceleration in the flaring magnetic structures of our star. CUSP is a project in the framework...
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FRANEL, Nathan15/05/2025, 10:55Oral
COMCUBE-S is a new ESA gamma-ray space mission designed for gamma-ray burst (GRB) polarimetry and all-sky monitoring of the gamma-ray sky for time-domain astronomy and multi-messenger observations.
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The mission is currently in phase A at ESA. The baseline configuration consists of a swarm of 27 16U CubeSats evenly spaced in a 500 km equatorial orbit. Each CubeSat embarks a Compton polarimeter... -
Soleti, Stefano Roberto (Donostia International Physics Center)15/05/2025, 11:20Oral
COCOA (COmpact COmpton cAmera) is a next-generation, cost-effective gamma-ray telescope designed for astrophysical observations in the MeV energy range. The detector comprises a scatterer volume employing the LiquidO detection technology and an array of scintillating crystals acting as absorber. Surrounding plastic scintillator panels serve as a veto system for charged particles. The...
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Prof. HERNANZ CARBO, MARGARITA (Institute of Space Sciences (ICE-CSIC) & IEEC)15/05/2025, 11:45Oral
The eXTP (enhanced X-ray Timing and Polarimetry) mission is a major project of the Chinese Academy of Sciences (CAS), that had a large involvement of Europe, until it was de-scoped to a "China-only" mission in 2024. The scientific payload of the former eXTP included four instruments: SFA (Spectroscopy Focusing Array) and PFA (Polarimetry Focusing Array) - led by China - and LAD (Large Area...
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Ceraudo, Francesco (INAF-IAPS)15/05/2025, 12:10Oral
The Lunar Electromagnetic Monitor in X-rays (LEM-X) is a proposed all-sky X-ray observatory to be installed on the surface of the Moon for the rapid identification of high-energy transients and the long-term monitoring of astrophysical sources in the 2 − 50 keV band. Developed within the Earth Moon Mars (EMM) project of the Italian National Recovery and Resilience Plan, LEM-X has been...
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Capobianco, GerardoOral
As part of the “Earth Moon Mars (EMM)” project, led by INAF (Instituto Nazionale di Astrofisica) in partnership with ASI (Agenzia Spaziale Italiana) and CNR (Consiglio Nazionale delle Ricerche) and funded under the National Recovery and Resilience Plan (NRRP), we are developing the Solar X Ray Moonitor (SXRM), a Moon-based instrument to monitor solar activity from the lunar surface in the...
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