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    "summary": "Inferred a close-orbiting planetary companion to 51 Pegasi from periodic changes in the star’s radial velocity.",
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        "domain": "Earth & space"
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      "sources": [
        {
          "citation": "A Jupiter-mass companion to a solar-type star",
          "url": "https://www.nature.com/articles/Art1"
        },
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          "url": "https://api.crossref.org/works/10.1038%2F378355a0"
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          "url": "https://www.tat.physik.uni-tuebingen.de/~fgp/Conf09/Contributions/talk_Paardekooper_Tuebingen09.pdf"
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      "statement": "# Mayor & Queloz: a planet around a Sun-like star\n\nInferred a close-orbiting planetary companion to 51 Pegasi from periodic changes in the star’s radial velocity.\n\n## Scientific scope\n\nThe scope is a planet around a solar-type star, not the first planet detected around any kind of star. Observations used ELODIE in France.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nMichel Mayor; Didier Queloz\n\nFull deposited paper byline or identified author of the scoped historical source. Association does not measure individual effort.\n\n\n\n## Original sources\n\n- [A Jupiter-mass companion to a solar-type star](https://www.nature.com/articles/Art1)\n- [A Jupiter-mass companion to a solar-type star — deposited bibliography](https://api.crossref.org/works/10.1038%2F378355a0)\n- [Original 51 Pegasi paper, university-hosted reprint](https://www.tat.physik.uni-tuebingen.de/~fgp/Conf09/Contributions/talk_Paardekooper_Tuebingen09.pdf)\n",
      "summary": "Inferred a close-orbiting planetary companion to 51 Pegasi from periodic changes in the star’s radial velocity.",
      "title": "Mayor & Queloz: a planet around a Sun-like star"
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    "edition": "2026-10-28.1",
    "id": "exoplanet-51-pegasi",
    "entry_id": "exoplanet-51-pegasi",
    "revision": 1,
    "title": "Mayor & Queloz: a planet around a Sun-like star",
    "context": "Earth & space",
    "track": "Scoped scientific or research-capability contribution",
    "band": "A",
    "modifier": null,
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    "assessed_on": "2026-09-14",
    "evidence_cutoff": "2026-09-14",
    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Inferred a close-orbiting planetary companion to 51 Pegasi from periodic changes in the star’s radial velocity.",
    "scope": "Inferred a close-orbiting planetary companion to 51 Pegasi from periodic changes in the star’s radial velocity. Scope limitation: The scope is a planet around a solar-type star, not the first planet detected around any kind of star. Observations used ELODIE in France.",
    "evidence_summary": "Assessment uses the catalogue-linked source evidence for the stated contribution. The scope is a planet around a solar-type star, not the first planet detected around any kind of star. Observations used ELODIE in France.",
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        "title": "A Jupiter-mass companion to a solar-type star",
        "url": "https://www.nature.com/articles/Art1",
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        "locator": "Retained catalogue source evidence; Bibliographic identity and scoped source account; not a full proof audit, experiment replay or clinical validation."
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        "credit": "SCIENCE",
        "did": "Named source contributor; exact labor shares are not measured."
      },
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        "who": "Didier Queloz",
        "credit": "SCIENCE",
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}