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Accepted version

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2018-08

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cc by-nc-nd (c) Elsevier, 2018
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/144264

Science with e-ASTROGAM. A space mission for MeV-GeV gamma-ray astrophysics

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https://doi.org/10.1016/j.jheap.2018.07.001

Abstract

e-ASTROGAM ('enhanced ASTROGAM') is a breakthrough Observatory space mission, with a detector composed by a Silicon tracker, a calorimeter, and an anticoincidence system, dedicated to the study of the non-thermal Universe in the photon energy range from 0.3 MeV to 3 GeV - the lower energy limit can be pushed to energies as low as 150 keV for the tracker, and to 30 keV for calorimetric detection. The mission is based on an advanced space-proven detector technology, with unprecedented sensitivity, angular and energy resolution, combined with polarimetric capability. Thanks to its performance in the MeV-GeV domain, substantially improving its predecessors, e-ASTROGAM will open a new window on the non-thermal Universe, making pioneering observations of the most powerful Galactic and extragalactic sources, elucidating the nature of their relativistic outflows and their effects on the surroundings. With a line sensitivity in the MeV energy range one to two orders of magnitude better than previous generation instruments, e-ASTROGAM will determine the origin of key isotopes fundamental for the understanding of supernova explosion and the chemical evolution of our Galaxy. The mission will provide unique data of significant interest to a broad astronomical community, complementary to powerful observatories such as LIGO-Virgo-GEO600-KAGRA, SKA, ALMA, E-ELT, TMT, LSST, JWST, Athena, CTA, IceCube, KM3NeT, and LISA.

Subject

Univers, Observatoris astronòmics

Subject (English)

Universe, Astronomical observatories

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Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

Citation

BOSCH I RAMON, Valentí, PAREDES I POY, Josep Maria and e-Astrogam Collaboration. Science with e-ASTROGAM. A space mission for MeV-GeV gamma-ray astrophysics. Journal Of High Energy Astrophysics. 2018. Vol. 19, num. 1-106. ISSN 2214-4048. [consulted: 15 of August of 2026]. Available at: https://hdl.handle.net/2445/144264

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