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Showing 1–11 of 11 results
Advanced filters: Author: Z. Paragi Clear advanced filters

  • Type Ic supernovae have drawn attention since 1998 owing to their sparse association with long duration γ-ray bursts (GRBs). Although the GRB central engine generates ultra-relativistic jets, no relativistic outflows have yet been found in type Ib/c supernovae explosions. Here, radio observations reveal a mildly relativistic expansion in a nearby type Ic supernova, SN 2007gr.

    • Z. Paragi
    • G. B. Taylor
    • B. PaczyÅ„ski
    Research
    Nature
    Volume: 463, P: 516-518

  • The fast radio burst FRB 20200120E is shown to originate from a globular cluster in the galaxy M81, and may be a collapsed white dwarf or a merged compact binary star system.

    • F. Kirsten
    • B. Marcote
    • W. Vlemmings
    Research
    Nature
    Volume: 602, P: 585-589

  • Long duration γ-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and provide a window into the process of black hole formation from the collapse of massive stars. Observations of the extraordinarily bright prompt optical and γ-ray emission of GRB 080319B shows that the prompt emission stems from a single physical region, implying an extremely relativistic outflow that propagates within the narrow inner core of a two-component jet.

    • J. L. Racusin
    • S. V. Karpov
    • D. N. Burrows
    Research
    Nature
    Volume: 455, P: 183-188

  • High-time-resolution observations of the repeating fast radio burst source FRB 20180916B reveal changes to the polarization properties of the emission on timescales of a few microseconds, indicating an origin in the source magnetosphere.

    • K. Nimmo
    • J. W. T. Hessels
    • Z. Paragi
    Research
    Nature Astronomy
    Volume: 5, P: 594-603

  • Subarcsecond localization of the repeating fast radio burst FRB 121102 shows that its source is co-located with a faint galaxy with a low-luminosity active galactic nucleus, or a previously unknown type of extragalactic source.

    • S. Chatterjee
    • C. J. Law
    • H. J. van Langevelde
    Research
    Nature
    Volume: 541, P: 58-61

  • A triple supermassive black hole system has been found that shows helical modulation of the large-scale radio jets; this modulation is caused by two of the black holes being tightly coupled as a binary system.

    • R. P. Deane
    • Z. Paragi
    • C. Rumsey
    Research
    Nature
    Volume: 511, P: 57-60

  • A periodicity of roughly 16 days is detected for the fast radio burst 180916.J0158+65, suggesting that the burst arises from a periodically modulated mechanism instead of a cataclysmic or sporadic process.

    • M. Amiri
    • B. C. Andersen
    • A. V. Zwaniga
    Research
    Nature
    Volume: 582, P: 351-355