Vacuum polarization alters the spectra of accreting X-ray pulsars (2023) Sokolova-Lapa E, Stierhof J, Dauser T, Wilms J Journal article Detection of extended γ -ray emission around the Geminga pulsar with H.E.S.S. (2023) Aharonian F, Ait Benkhali F, Aschersleben J, Ashkar H, Backes M, Barbosa Martins V, Batzofin R, et al. Journal article SRG/eROSITA and XMM-Newton observations of Vela Jr (2023) Camilloni F, Becker W, Predehl P, Dennerl K, Freyberg M, Mayer MG, Sasaki M Journal article HESS J1809-193: A halo of escaped electrons around a pulsar wind nebula? (2023) Aharonian F, Ait Benkhali F, Aschersleben J, Ashkar H, Backes M, Barbosa Martins V, Batzofin R, et al. Journal article Discovery of the luminous X-ray ignition eRASSt J234402.9-352640: I. Tidal disruption event or a rapid increase in accretion in an active galactic nucleus? (2023) Homan D, Krumpe M, Markowitz A, Saha T, Gokus A, Partington E, Lamer G, et al. Journal article MAGIC observations provide compelling evidence of hadronic multi-TeV emission from the putative PeVatron SNR G106.3+2.7 (2023) Abe H, Abe S, Acciari VA, Agudo I, Aniello T, Ansoldi S, Antonelli LA, et al. Journal article Study of the excess Fe XXV line emission in the central degrees of the Galactic centre using XMM-Newton data (2023) Anastasopoulou K, Ponti G, Sormani MC, Locatelli N, Haberl F, Morris MR, Churazov EM, et al. Journal article SRG/eROSITA-triggered XMM-Newton observations of three Be/X-ray binaries in the LMC: Discovery of X-ray pulsations (2023) Haberl F, Maitra C, Kaltenbrunner D, Buckley DA, Monageng IM, Udalski A, Doroshenko V, et al. Journal article A lower bound on intergalactic magnetic fields from time variability of 1ES 0229+200 from MAGIC and Fermi /LAT observations (2023) Acciari VA, Agudo I, Aniello T, Ansoldi S, Antonelli LA, Arbet Engels A, Artero M, et al. Journal article Characterizing the patchy appearance of the circumgalactic medium and the influence of foreground absorption (2023) Ponti G, Sanders JS, Locatelli N, Zheng X, Zhang Y, Yeung M, Freyberg M, et al. Journal article