{
  "annotation_id": "10559ca3-20dc-4129-8f29-11e1e45615ee",
  "date_created": "2026-02-17T05:53:20.182000Z",
  "date_modified": "2026-02-17T05:53:20.182000Z",
  "file_hash": "9dd3a826623d853757394a98472b3066d25e4bf2a699167540827c60aba1241f",
  "private": false,
  "record": {
    "abstract": "On 2025 January 10, a thermonuclear (Type I) X-ray burst from the neutron star low-mass X-ray binary \\textit{4U~0614+091} was detected with the ECLAIRs instrument on board the \\textit{SVOM} mission. We present here a time-resolved spectroscopic analysis of the burst, along with the detection of burst oscillations within a 51-second interval during the decay phase. The oscillation frequency is measured to be $\\nu = 413.674 \\pm 0.002\\,\\mathrm{Hz}$, consistent with previous reports. However, we detect a significant downward frequency drift over the burst duration, characterized by $\\dot{\\nu} = (-4.7 \\pm 0.3) \\times 10^{-3}\\,\\mathrm{Hz\\,s^{-1}}$. This frequency evolution is atypical compared to those observed in similar burst oscillation sources. We tentatively attribute the observed drift to a Doppler shift induced by orbital motion. Under this interpretation, the inferred orbital period must be shorter than 20 minutes, placing \\textit{4U~0614+091} among the most compact known low-mass X-ray binaries.",
    "arxiv_id": "2601.09691",
    "authors": [
      "S\u00e9bastien Le Stum",
      "Floriane Cangemi",
      "Alexis Coleiro",
      "S\u00e9bastien Guillot",
      "J\u00e9r\u00f4me Chenevez",
      "Philippe Bacon",
      "Nicolas Bellemont",
      "Laurent Bouchet",
      "Tristan Bouchet",
      "C\u00e9cile Cavet",
      "Bertrand Cordier",
      "Antoine Foisseau",
      "Olivier Godet",
      "Andrea Goldwurm",
      "Xu-Hui Han",
      "Cyril Lachaud",
      "Zhaosheng Li",
      "Hua-Li Li",
      "Yu-Lei Qiu",
      "J\u00e9r\u00f4me Rodriguez",
      "Wen-Jun Tan",
      "L. Tao",
      "Lauryne Verwaerde",
      "Chen-Wei Wang",
      "Jing Wang",
      "Jianyan Wei",
      "Chao Wu",
      "Wen-Jin Xie",
      "Li-Ping Xin",
      "Shaolin Xiong",
      "Shuang-Nan Zhang",
      "S. J. Zheng"
    ],
    "categories": [
      "astro-ph.HE"
    ],
    "doi": "10.3847/2041-8213/ae3174",
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "title": "Detection of Oscillations in a Type I X-Ray Burst of 4U 0614+091 with SVOM/ECLAIRs",
    "url": "https://arxiv.org/abs/2601.09691",
    "version": "v1"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "c872ccce-9093-4972-b191-cc9c264b74cc",
    "id": "arXiv Dataset",
    "type": "Model",
    "variant": "snapshot-2026-01-17",
    "version": "0.1.0"
  },
  "user_id": 1000002
}