{ "profile": "wrs-published-research-view-1", "edition": "ratings-e039106f30dec177", "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS", "entry": { "id": "gliese-229b-photometry-1996", "title": "Broadband photometry of the cool companion Gliese 229B", "summary": "Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.", "boundary": "The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.", "area": "Stellar astrophysics", "topic": "Physics", "year": 1996, "lane": "HUMAN", "result": "EMPIRICAL", "package_id": "gliese-229b-photometry-1996", "target": { "record_id": "urn:uuid:f04ad40f-d5a5-4d30-ad22-dfa0d0db0812", "version": 1, "content_hash": "sha256:919535d70b6dca7502c64398129402c3918d33a8bdd77fc31d3fe6ed555a8138" }, "humans": [ "K. Matthews", "T. Nakajima", "S. R. Kulkarni", "B. R. Oppenheimer" ], "authors_complete": true, "human_role_note": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.", "agents": [], "related": [], "subresults": [], "scientific_assessment": { "source_review": "SOURCE_CURATED", "scientific_review": "NOT_REVIEWED_BY_WRS", "formal_replay": "NOT_RUN", "provider_attestation": "NONE" }, "sources": [ { "id": "gliese-229b-broadband-photometry-1996", "title": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf", "date": "1996-10" } ], "points": "48000", "published_grade": { "id": "gliese-229b-photometry-1996", "entry_id": "gliese-229b-photometry-1996", "band": "B", "modifier": "+", "target": { "record_id": "urn:uuid:f04ad40f-d5a5-4d30-ad22-dfa0d0db0812", "version": 1, "content_hash": "sha256:919535d70b6dca7502c64398129402c3918d33a8bdd77fc31d3fe6ed555a8138" }, "what_changed": "Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.", "scope": "Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities. The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. 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Matthews", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "T. Nakajima", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "S. R. Kulkarni", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "B. R. Oppenheimer", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf" } } ], "evidence": [ { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-0", "kind": "source_reference", "source": { "citation": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf" } } ], "origin": "HUMAN_LEGACY", "record_profile": "wrs-local-research-notes-0.1", "record_type": "research_note", "rrp_version": "0.1", "scope": { "description": "The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.", "domain": "Stellar astrophysics" }, "sources": [ { "citation": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf" } ], "statement": "# Broadband photometry of the cool companion Gliese 229B\n\nFollowing the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.\n\n## Scientific scope\n\nThe 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.\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\nK. Matthews; T. Nakajima; S. R. Kulkarni; B. R. Oppenheimer\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B](https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf)\n", "summary": "Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.", "title": "Broadband photometry of the cool companion Gliese 229B" }, "record_id": "urn:uuid:f04ad40f-d5a5-4d30-ad22-dfa0d0db0812", "version": 1, "source_ref": { "record_id": "urn:uuid:f04ad40f-d5a5-4d30-ad22-dfa0d0db0812", "version": 1, "content_hash": "sha256:919535d70b6dca7502c64398129402c3918d33a8bdd77fc31d3fe6ed555a8138" }, "export_view": "wrs-public-editorial-view-1", "public_view_hash": "sha256:a0aa6ff30a44513587a5517488b4cd458f9f4bddaa37ecc3db50c7917c1bf9a3" }, "target": { "record_id": "urn:uuid:f04ad40f-d5a5-4d30-ad22-dfa0d0db0812", "version": 1, "content_hash": "sha256:919535d70b6dca7502c64398129402c3918d33a8bdd77fc31d3fe6ed555a8138" }, "published_grade": { "profile": "wrs-published-grade-1", "edition": "2026-10-28.1", "id": "gliese-229b-photometry-1996", "entry_id": "gliese-229b-photometry-1996", "revision": 1, "title": "Broadband photometry of the cool companion Gliese 229B", "context": "Stellar astrophysics", "track": "Source-reported experimental result or reusable measurement method", "band": "B", "modifier": "+", "status": "PROVISIONAL_EDITORIAL", "assessed_on": "2026-10-28", "evidence_cutoff": "2026-10-28", "achievement_state": "SUPPORTED_SCOPED_RESULT", "what_changed": "Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.", "scope": "Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities. The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.", "evidence_summary": "The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.", "references": [ { "title": "Spectral Energy Distribution and Bolometric Luminosity of the Cool Brown Dwarf Gliese 229B", "url": "https://ntrs.nasa.gov/api/citations/19970022994/downloads/19970022994.pdf", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." } ], "roles": [ { "who": "The named authors in the research record", "credit": "SCIENCE", "did": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged." } ], "target": { "record_id": "urn:uuid:f04ad40f-d5a5-4d30-ad22-dfa0d0db0812", "version": 1, "content_hash": "sha256:919535d70b6dca7502c64398129402c3918d33a8bdd77fc31d3fe6ed555a8138" }, "scientific_correctness_certified": false, "independent_expert_calibration": false, "method": "PROPRIETARY", "points": "48000" }, "canonical_agent_submission": false, "scientific_verification_awarded": false, "reader_guide": null, "reading_status": "SOURCE_LINKED_NOTE" }