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Showing 1–3 of 3 results
Advanced filters: Author: Ramesh Karuppusamy Clear advanced filters

  • A radio-loud magnetar, XTE J1810–197, has been observed to precess shortly after an X-ray outburst. The precession decayed over the subsequent few months, which probably rules out freely precessing magnetars as the source of the fast radio bursts.

    • Gregory Desvignes
    • Patrick Weltevrede
    • Jérôme Pétri
    ResearchOpen Access
    Nature Astronomy
    Volume: 8, P: 617-627

  • This work identifies a period structure in the radio emission of magnetars that can be observed in all classes of radio-emitting rotating neutron stars, regardless of their evolutionary history, their power source or their magnetic field strength.

    • Michael Kramer
    • Kuo Liu
    • Ben W. Stappers
    ResearchOpen Access
    Nature Astronomy
    Volume: 8, P: 230-240

  • The millimetre image of the Centaurus A nucleus by the Event Horizon Telescope reveals a highly collimated, asymmetrically edge-brightened jet. The source’s event horizon shadow should be visible at terahertz frequencies, consistent with the universal scale invariance of black holes.

    • Michael Janssen
    • Heino Falcke
    • Shan-Shan Zhao
    ResearchOpen Access
    Nature Astronomy
    Volume: 5, P: 1017-1028