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Using long-term INTEGRAL hard X-ray observations, we have put upper limits on the bolometric luminosity...
Positron annihilation line at 511 keV is a known component of the gamma-ray diffuse emission. It is believed to be produced in the Galaxy, but there could be possible extragalactic contribution as well. E.g., positrons can be produced in jets of active galactic nuclei (AGN) and after that...
We present the results of our analysis of the observations of the supernova remnant (SNR) G18.1-0.1 performed with the eROSITA X-ray telescope onboard the SRG observatory within the program of Galactic ridge observations. We have constructed an image that entirely covers the surroundings of the...
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