分类： 天文学 >> 天文学 提交时间： 2023-02-19
Regina Caputo
Marco Ajello
Carolyn Kierans
Jeremy Perkins
Judith Racusin
Luca Baldini
Matthew Barring
Elisabetta Bissaldi
Eric Burns
Nicolas Cannady
Eric Charles
Rui Curado da Silva
Ke Fang
Henrike Fleischhack
Chris Fryer
Yasushi Fukazawa
J. Eric Grove
Dieter Hartmann
Eric Howell
Manoj Jadhav
摘要： The All-sky Medium Energy Gamma-ray Observatory eXplorer (AMEGO-X) is designed to identify and characterize gamma rays from extreme explosions and accelerators. The main science themes include: supermassive black holes and their connections to neutrinos and cosmic rays; binary neutron star mergers and the relativistic jets they produce; cosmic ray particle acceleration sources including Galactic supernovae; and continuous monitoring of other astrophysical events and sources over the full sky in this important energy range. AMEGO-X will probe the medium energy gamma-ray band using a single instrument with sensitivity up to an order of magnitude greater than previous telescopes in the energy range 100 keV to 1 GeV that can be only realized in space. During its three-year baseline mission, AMEGO-X will observe nearly the entire sky every two orbits, building up a sensitive all-sky map of gamma-ray sources and emission. AMEGO-X was submitted in the recent 2021 NASA MIDEX Announcement of Opportunity.
分类： 天文学 >> 天文学 提交时间： 2023-02-19
Daniel Shy
Carolyn Kierans
Nicolas Cannady
Regina Caputo
Sean Griffin
J. Eric Grove
Elizabeth Hays
Emily Kong
Nicholas Kirschner
Iker Liceaga-Indart
Julie McEnery
John Mitchell
A. A. Moiseev
Lucas Parker
Jeremy S. Perkins
Bernard Phlips
Makoto Sasaki
Adam J. Schoenwald
Clio Sleator
Jacob Smith
摘要： There is a growing interest in the science uniquely enabled by observations in the MeV range, particularly in light of multi-messenger astrophysics. The Compton Pair (ComPair) telescope, a prototype of the AMEGO Probe-class concept, consists of four subsystems that together detect and characterize gamma rays in the MeV regime. A double-sided strip silicon Tracker gives a precise measure of the first Compton scatter interaction and tracks pair-conversion products. A novel cadmium zinc telluride (CZT) detector with excellent position and energy resolution beneath the Tracker detects the Compton-scattered photons. A thick cesium iodide (CsI) calorimeter contains the high-energy Compton and pair events. The instrument is surrounded by a plastic anti-coincidence (ACD) detector to veto the cosmic-ray background. In this work, we will give an overview of the science motivation and a description of the prototype development and performance.
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