{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T20:12:02Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 2,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T19:00:00Z",
      "ingestedAt": "2026-10-05T20:50:19+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:34:48+00:00",
        "engine": "codex",
        "fields": [
          "definition",
          "distinguishing_features"
        ],
        "answering_review": "18215a98f40cac1ceaa263b7c9578c2df7f2eaf5b532716eed324fe3136540a3"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:33+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q4875616",
    "registryId": "vr.tr.be-x-ray-binaries",
    "name": "Be X-ray binaries",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q4875616/",
  "model": {
    "registry_id": "vr.tr.be-x-ray-binaries",
    "name": "Be X-ray binaries",
    "purpose": "Let an agent explain Be X-ray binaries, their components and outburst behaviour, and their significance, with sourced data and attribution.",
    "definition": "A class of high-mass X-ray binaries consisting of a neutron star orbiting a Be star, a rapidly rotating B-type star with a circumstellar decretion disc; the neutron star accretes from the disc, often in outbursts near periastron, making Be X-ray binaries the most numerous class of high-mass X-ray binaries and important laboratories for accretion and neutron star physics.",
    "what_it_is_for": "High-energy astrophysics and stellar evolution.",
    "affordances": [
      "explain the system components and geometry",
      "describe outburst types and mechanisms",
      "relate them to Be stars and neutron star physics",
      "find catalogues and monitoring data"
    ],
    "distinguishing_features": [
      "The donor is a Be star.",
      "The accretor is a neutron star.",
      "Transient outbursts are characteristic behaviour.",
      "Eccentric orbits are characteristic of the class."
    ],
    "appearance": "Not visible as such; transient X-ray sources with optical Be star counterparts.",
    "visual_identification": [
      "Be star with emission lines and infrared excess",
      "Periodic or giant X-ray outbursts",
      "B[e] stars are a different class"
    ],
    "physical_properties": [
      {
        "quantity": "Orbital period",
        "unit": "day",
        "typical_range": "",
        "note": "The period is inferred from repeated orbital signatures in pulse timing, radial velocities or long-term light curves."
      },
      {
        "quantity": "X-ray luminosity",
        "unit": "W",
        "typical_range": "",
        "note": "Luminosity is estimated from measured X-ray flux and distance with a stated energy band and absorption correction."
      },
      {
        "quantity": "Neutron star spin period",
        "unit": "s",
        "typical_range": "",
        "note": "The spin period is measured from recurring X-ray pulsations when these are detectable."
      },
      {
        "quantity": "Orbital eccentricity",
        "unit": "dimensionless",
        "typical_range": "",
        "note": "Eccentricity is estimated by fitting an orbital model to timing or spectroscopic observations."
      }
    ],
    "families_and_kinds": [
      "persistent Be X-ray binaries",
      "transient Be X-ray binaries with Type I outbursts",
      "systems with giant Type II outbursts",
      "Be X-ray binaries in the Magellanic Clouds",
      "Be black hole binaries (rare)"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "high-mass X-ray binary",
        "why": "category"
      },
      {
        "relation": "contains",
        "target": "neutron star",
        "why": "accretor"
      },
      {
        "relation": "is related to",
        "target": "B[e]-type star",
        "why": "distinct class of B star"
      },
      {
        "relation": "is related to",
        "target": "super soft X-ray source",
        "why": "other X-ray class"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No regulation"
    ],
    "failure_modes_and_hazards": [
      "Confusing Be and B[e] stars",
      "Presenting outburst models as settled"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain Be X-ray binaries, their components and outburst behaviour, citing research.",
        "Report catalogued systems with their sources."
      ],
      "must_not": [
        "Present the nature of the compact object as known when it is uncertain.",
        "Invent orbital or physical parameters for systems not measured.",
        "Misattribute observations to the wrong instruments or teams."
      ],
      "requires_human": [
        "Publishing a new classification of a system."
      ]
    },
    "ethics": {
      "considerations": [
        "Careful attribution and uncertainty make astronomical catalogues trustworthy."
      ],
      "affected_parties": [
        "Astronomers",
        "Students and readers"
      ]
    },
    "owners": {
      "steward": "Nobody owns the systems; astronomical catalogues record them.",
      "master_systems": [
        "Astronomical object databases"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q4875616: Be X-ray binaries",
      "url": "https://www.wikidata.org/wiki/Q4875616",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Be/X-ray binary",
      "url": "https://en.wikipedia.org/wiki/Be/X-ray_binary",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "system",
        "name": "System",
        "description": "Components.",
        "rationale": "Be star and compact object.",
        "layers": [
          {
            "id": "components",
            "name": "Components",
            "description": "What is in the system.",
            "findings": [
              {
                "id": "components-finding",
                "name": "Components",
                "description": "Components.",
                "questions": [
                  {
                    "text": "What are the components and orbit of this Be X-ray binary?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How does the Be star decretion disc feed accretion?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "terms",
            "name": "Terms",
            "description": "Be versus B[e].",
            "findings": [
              {
                "id": "terms-finding",
                "name": "Terms",
                "description": "Terms.",
                "questions": [
                  {
                    "text": "How do Be stars differ from B[e] stars?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "outbursts",
        "name": "Outbursts",
        "description": "Variability.",
        "rationale": "Types of outburst.",
        "layers": [
          {
            "id": "types",
            "name": "Types",
            "description": "Type I and II.",
            "findings": [
              {
                "id": "types-finding",
                "name": "Types",
                "description": "Outburst types.",
                "questions": [
                  {
                    "text": "What distinguishes Type I and Type II outbursts, and what triggers them, according to models?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How are they linked to the orbit?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "monitoring",
            "name": "Monitoring",
            "description": "X-ray monitoring.",
            "findings": [
              {
                "id": "monitoring-finding",
                "name": "Monitoring",
                "description": "Monitoring.",
                "questions": [
                  {
                    "text": "Which X-ray monitors track outbursts, and where are alerts published?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What is the current state of this source?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "physics",
        "name": "Physics",
        "description": "What they teach.",
        "rationale": "Neutron stars and accretion.",
        "layers": [
          {
            "id": "neutron",
            "name": "Neutron",
            "description": "Neutron star physics.",
            "findings": [
              {
                "id": "neutron-finding",
                "name": "Neutron",
                "description": "Neutron star physics.",
                "questions": [
                  {
                    "text": "What do Be X-ray binaries reveal about neutron star spin, magnetic fields and accretion?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which measurements are key?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "evolution",
            "name": "Evolution",
            "description": "Formation.",
            "findings": [
              {
                "id": "evolution-finding",
                "name": "Evolution",
                "description": "Formation.",
                "questions": [
                  {
                    "text": "How do Be X-ray binaries form, and what do they imply for supernova kicks?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Why are they numerous in the Small Magellanic Cloud?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "Resources.",
        "rationale": "Catalogues and reviews.",
        "layers": [
          {
            "id": "catalogues",
            "name": "Catalogues",
            "description": "Known systems.",
            "findings": [
              {
                "id": "catalogues-finding",
                "name": "Catalogues",
                "description": "Catalogues.",
                "questions": [
                  {
                    "text": "Which catalogues list Be X-ray binaries?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which systems are best studied?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "explain",
            "name": "Explain",
            "description": "Plain language.",
            "findings": [
              {
                "id": "explain-finding",
                "name": "Explain",
                "description": "Plain explanation.",
                "questions": [
                  {
                    "text": "How can Be X-ray binaries be explained simply and accurately?",
                    "kind": "action"
                  },
                  {
                    "text": "Which caveats apply?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each notable system be a separate entry?",
    "How should monitoring data be linked?",
    "How should outburst models be attributed?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}