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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…
INTEGRAL/IBIS 17-yr hard X-ray all-sky survey
Roman Krivonos, Sergey Sazonov, Ekaterina Kuznetsova +3
The International Gamma-Ray Astrophysics Laboratory (INTEGRAL), launched in 2002, continues its successful work in observing the sky at energies E>20 keV. The legacy of the mission…
Sgr B2 hard X-ray emission with INTEGRAL after 2009: still detectable?
Ekaterina Kuznetsova, Roman Krivonos, Alexander Lutovinov +1
Molecular cloud Sgr B2 is a natural Compton mirror in the Central Molecular Zone. An observed fading of the Sgr B2 X-ray emission in continuum and Fe K 6.4 keV line indicates, a…
Peculiar X-ray transient SRGA J043520.9+552226/AT2019wey discovered with SRG/ART-XC
I. A. Mereminskiy, A. V. Dodin, A. A. Lutovinov +24
Context: During the ongoing all-sky survey, the Mikhail Pavlinsky ART-XC telescope on board the SRG observatory should discover new X-ray sources, many of which can be transient. H…
SRG/ART-XC all-sky X-ray survey: Catalog of sources detected during the first year
M. Pavlinsky, S. Sazonov, R. Burenin +20
We present a first catalog of sources detected by the Mikhail Pavlinsky ART-XC telescope on board the SRG observatory in the 4-12 keV energy band during its ongoing all-sky survey.…
Wide-field X-ray observations of the supernova remnant Puppis A with the SRG/ART-XC telescope
R. Krivonos, V. Arefiev, I. Lapshov +8
The Spectrum-Roentgen-Gamma (SRG) observatory is currently conducting its 4-year all-sky X-ray survey, started on December 12, 2019. The survey is periodically interrupted for tech…