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Exploring the MeV Sky with a Combined Coded Mask and Compton Telescope: The Galactic Explorer with a Coded Aperture Mask Compton Telescope (GECCO)
Elena Orlando, Eugenio Bottacini, Alexander Moiseev +33
The sky at MeV energies is currently poorly explored. Here we present an innovative mission concept that builds on and improves past and currently proposed missions at such energie…
Unveiling the Fermi Bubbles origin with MeV photon telescopes
Michela Negro, Henrike Fleischhack, Andreas Zoglauer +2
The Fermi Bubbles (FB) are a pair of large-scale ellipsoidal structures extending above and below the Galactic plane almost symmetrically aligned with the Galactic Center. After mo…
The Compton Spectrometer and Imager Project for MeV Astronomy
John A. Tomsick, Steven E. Boggs, Andreas Zoglauer +33
The Compton Spectrometer and Imager (COSI) is a 0.2-5 MeV Compton telescope capable of imaging, spectroscopy, and polarimetry of astrophysical sources. Such capabilities are made p…
COSI: From Calibrations and Observations to All-sky Images
Andreas Zoglauer, Thomas Siegert, Alexander Lowell +13
The soft MeV gamma-ray sky, from a few hundred keV up to several MeV, is one of the least explored regions of the electromagnetic spectrum. The most promising technology to access…
Gamma-ray Astrophysics in the MeV Range: the ASTROGAM Concept and Beyond
Alessandro De Angelis, Vincent Tatischeff, Andrea Argan +26
The energy range between about 100 keV and 1 GeV is of interest for a vast class of astrophysical topics. In particular, (1) it is the missing ingredient for understanding extreme…
StrayCats: A catalog of NuSTAR Stray Light Observations
Brian W. Grefenstette, Renee M. Ludlam, Ellen T. Thompson +10
We present StrayCats: a catalog of NuSTAR stray light observations of X-ray sources. Stray light observations arise for sources 1--4 away from the telescope pointing dire…