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Showing 1–2 of 2 results
Advanced filters: Author: Martin Topinka Clear advanced filters

  • We report observations of GRB 231115A, positionally coincident with the starburst galaxy M82, that unambiguously qualify this burst as a giant flare from a magnetar, which is a rare explosive event releasing gamma rays.

    • Sandro Mereghetti
    • Michela Rigoselli
    • Pietro Ubertini
    Research
    Nature
    Volume: 629, P: 58-61

  • A JWST/MIRI spectrum of an early quasar in the mid-infrared indicates that J1120+0641 had a mature feeding structure 760 Myr after the Big Bang. This finding suggests that supermassive black holes and their torii build up surprisingly quickly.

    • Sarah E. I. Bosman
    • Javier Álvarez-Márquez
    • Bart Vandenbussche
    Research
    Nature Astronomy
    Volume: 8, P: 1054-1065