{
  "abstract": "Kilohertz quasi-periodic oscillations (QPOs) have been observed in a few rare gamma-ray bursts (GRBs), but their physical origin remains uncertain. We reanalyze the two short GRBs with reported kilohertz QPOs, GRB 910711 and GRB 200415A, and find evidence for possible harmonic-like organization around a characteristic frequency scale near 360 hertz. The similar harmonic-like pattern in GRB 910711 and in the confirmed magnetar giant flare (MGF) event GRB 200415A, including features extending above 4 kilohertz, points to timing phenomenology on frequency scales relevant to magnetar oscillation modes. The temporal and spectral similarities between the two events and the difficulty of explaining these features in merger-driven scenarios favor an MGF-like interpretation of GRB 910711. This timing phenomenology may therefore provide an additional observational handle, complementary to spectral, temporal, and localization information, for distinguishing rare MGF-like transients from merger-driven GRBs.",
  "abstract_shown": true,
  "affiliations": [
    "School of Astronomy and Space Science, Nanjing University, Nanjing 210093, China.",
    "Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, Nanjing, China.",
    "Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.",
    "Department of Physics and Columbia Astrophysics Laboratory, Columbia University, Pupin Hall, New York, NY 10027, USA.",
    "Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 201210, China.",
    "Cornell Center for Astrophysics and Planetary Science, Department of Astronomy, Cornell University, Ithaca, NY 14853, USA.",
    "Institute for Astrophysics, School of Physics, Zhengzhou University, Zhengzhou 450001, China.",
    "Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China.",
    "The Hong Kong Institute for Astronomy and Astrophysics, The University of Hong Kong, Hong Kong, China."
  ],
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  "author_total": 8,
  "authors": [
    {
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        0,
        1
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      "name": "Run-Chao Chen",
      "orcid": "0009-0009-2083-1999"
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    {
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        2
      ],
      "name": "Ore Gottlieb",
      "orcid": "0000-0003-3115-2456"
    },
    {
      "affs": [
        0,
        1
      ],
      "name": "Bin-Bin Zhang",
      "orcid": "0000-0003-4111-5958"
    },
    {
      "affs": [
        3
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      "name": "Yuri Levin",
      "orcid": "0000-0002-6987-1299"
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    {
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        4,
        5
      ],
      "name": "Dong Lai",
      "orcid": "0000-0002-1934-6250"
    },
    {
      "affs": [
        6
      ],
      "name": "Jun Yang",
      "orcid": "0000-0002-5485-5042"
    },
    {
      "affs": [
        7,
        8
      ],
      "name": "Yi-Han Iris Yin",
      "orcid": "0000-0002-5596-5059"
    },
    {
      "affs": [
        0,
        1
      ],
      "name": "Suo-Ning Wang",
      "orcid": "0009-0003-0474-7099"
    }
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  "doi": "10.1126/sciadv.aee6388",
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  "published": "2026-10-28",
  "publisher": "American Association for the Advancement of Science (AAAS)",
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  "title": "Harmonic brightness oscillations point to magnetar giant flares in rare short gamma-ray bursts",
  "title_text": "Harmonic brightness oscillations point to magnetar giant flares in rare short gamma-ray bursts",
  "type": "peer-reviewed",
  "updated_at": "2026-11-01T12:22:55Z",
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}