{"schema_version":"4ort.packet/1","entity":{"entity_id":"luhman-16b","kg_uuid":"e6e79ac1-226c-4fde-9e07-98753c3f681c","wikidata_id":"Q88650931","name":"Luhman 16B","description":"brown dwarf","type":"Thing","url":"https://4ort.xyz/entity/luhman-16b"},"status":"truncated","as_of":{"copy_written_at":"2026-05-03T23:45:09Z","last_source_edit_seen":null,"stale_possible":true,"claims_refreshed_at":null,"source_revision":null},"facts":[{"field":"P31","label":"instance of","value":"brown dwarf","value_id":"Q101600","value_raw":"Q101600","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"exoplanet","value_id":"Q44559","value_raw":"Q44559","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Individual, Model-independent Masses of the Closest Known Brown Dwarf Binary to the Sun","stated_in_id":"Q59939260"},{"stated_in":"Extrasolar Planets Encyclopaedia","stated_in_id":"Q1385430"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"star","value_id":"Q523","value_raw":"Q523","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P59","label":"constellation","value":"Vela","value_id":"Q10521","value_raw":"Q10521","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P59","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P215","label":"spectral class","value":"T0.5","value_id":null,"value_raw":"T0.5","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P215","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Resolved near-infrared spectroscopy of WISE J104915.57-531906.1AB: a flux-reversal binary at the l dwarf/T dwarf transition","stated_in_id":"Q56673311"},{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P397","label":"parent astronomical body","value":"WISE 1049-5319","value_id":"Q6882996","value_raw":"Q6882996","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P397","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Resolved near-infrared spectroscopy of WISE J104915.57-531906.1AB: a flux-reversal binary at the l dwarf/T dwarf transition","stated_in_id":"Q56673311"},{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P399","label":"companion of","value":"Luhman 16A","value_id":"Q88650836","value_raw":"Q88650836","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P399","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P528","label":"catalog code","value":"Gaia DR2 5353626573562355584","value_id":null,"value_raw":"Gaia DR2 5353626573562355584","rank":"normal","current":null,"qualifiers":[{"field":"P972","label":"catalog","value":"Gaia Data Release 2"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P528","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P528","label":"catalog code","value":"Luhman 16B","value_id":null,"value_raw":"Luhman 16B","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P528","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P528","label":"catalog code","value":"WISE J1049-5319B","value_id":null,"value_raw":"WISE J1049-5319B","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P528","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P528","label":"catalog code","value":"WDS J10493-5319B","value_id":null,"value_raw":"WDS J10493-5319B","rank":"normal","current":null,"qualifiers":[{"field":"P972","label":"catalog","value":"Washington Double Star Catalog"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P528","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P528","label":"catalog code","value":"TIC 119862115b","value_id":null,"value_raw":"TIC 119862115b","rank":"normal","current":null,"qualifiers":[{"field":"P972","label":"catalog","value":"TESS Input Catalog"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P528","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Exoplanet Archive","stated_in_id":"Q5420639"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P575","label":"time of discovery or invention","value":"2013","value_id":null,"value_raw":"+2013-00-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P575","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Extrasolar Planets Encyclopaedia","stated_in_id":"Q1385430"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P575","label":"time of discovery or invention","value":"2017-09","value_id":null,"value_raw":"+2017-09-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P575","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Individual, Model-independent Masses of the Closest Known Brown Dwarf Binary to the Sun","stated_in_id":"Q59939260"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1046","label":"discovery method","value":"direct imaging","value_id":"Q15279026","value_raw":"Q15279026","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P1046","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Individual, Model-independent Masses of the Closest Known Brown Dwarf Binary to the Sun","stated_in_id":"Q59939260"},{"stated_in":"Extrasolar Planets Encyclopaedia","stated_in_id":"Q1385430"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1096","label":"orbital eccentricity","value":"0.344","value_id":null,"value_raw":{"unit":"1","amount":"+0.344"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P1096","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"HST astrometry of the closest brown dwarfs-II. Improved parameters and constraints on a third body","stated_in_id":"Q126535825"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1215","label":"apparent magnitude","value":"16.9622","value_id":null,"value_raw":{"unit":"1","amount":"+16.9622"},"rank":"normal","current":null,"qualifiers":[{"field":"P1227","label":"astronomical filter","value":"G band"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P1215","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Gaia Data Release 2","stated_in_id":"Q51905050"},{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1215","label":"apparent magnitude","value":"11.22","value_id":null,"value_raw":{"unit":"1","amount":"+11.22"},"rank":"normal","current":null,"qualifiers":[{"field":"P1227","label":"astronomical filter","value":"J band"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P1215","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Resolved near-infrared spectroscopy of WISE J104915.57-531906.1AB: a flux-reversal binary at the l dwarf/T dwarf transition","stated_in_id":"Q56673311"},{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1215","label":"apparent magnitude","value":"10.39","value_id":null,"value_raw":{"unit":"1","amount":"+10.39"},"rank":"normal","current":null,"qualifiers":[{"field":"P1227","label":"astronomical filter","value":"H band"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P1215","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Resolved near-infrared spectroscopy of WISE J104915.57-531906.1AB: a flux-reversal binary at the l dwarf/T dwarf transition","stated_in_id":"Q56673311"},{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1215","label":"apparent magnitude","value":"9.73","value_id":null,"value_raw":{"unit":"1","amount":"+9.73"},"rank":"normal","current":null,"qualifiers":[{"field":"P1227","label":"astronomical filter","value":"K band"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P1215","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Resolved near-infrared spectroscopy of WISE J104915.57-531906.1AB: a flux-reversal binary at the l dwarf/T dwarf transition","stated_in_id":"Q56673311"},{"stated_in":"SIMBAD","stated_in_id":"Q654724"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2045","label":"orbital inclination","value":"79.92 degree","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q28390","amount":"+79.92"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2045","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"HST astrometry of the closest brown dwarfs-II. Improved parameters and constraints on a third body","stated_in_id":"Q126535825"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2067","label":"mass","value":"29.4 Jupiter mass","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q651336","amount":"+29.4"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2067","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"HST astrometry of the closest brown dwarfs-II. Improved parameters and constraints on a third body","stated_in_id":"Q126535825"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2120","label":"radius","value":"0.84 Jupiter radius","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q3421309","amount":"+0.84"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2120","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Nonequilibrium Hanbury-Brown-Twiss experiment: Theory and application to binary stars","stated_in_id":"Q114143627"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2146","label":"orbital period","value":"9,697 day","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q573","amount":"+9697"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2146","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"HST astrometry of the closest brown dwarfs-II. Improved parameters and constraints on a third body","stated_in_id":"Q126535825"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2233","label":"semi-major axis of an orbit","value":"3.52 astronomical unit","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q1811","amount":"+3.52"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2233","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"HST astrometry of the closest brown dwarfs-II. Improved parameters and constraints on a third body","stated_in_id":"Q126535825"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2248","label":"argument of periapsis","value":"136.67 degree","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q28390","amount":"+136.67"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2248","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"HST astrometry of the closest brown dwarfs-II. Improved parameters and constraints on a third body","stated_in_id":"Q126535825"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2583","label":"distance from Earth","value":"1.998 parsec","value_id":null,"value_raw":{"unit":"http://www.wikidata.org/entity/Q12129","amount":"+1.998"},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P2583","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Extrasolar Planets Encyclopaedia","stated_in_id":"Q1385430"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3083","label":"SIMBAD ID","value":"NAME Luhman 16B","value_id":null,"value_raw":"NAME Luhman 16B","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P3083","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P5653","label":"Extrasolar Planets Encyclopaedia exoplanet ID","value":"luhman_16_b--6823","value_id":null,"value_raw":"luhman_16_b--6823","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P5653","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P5667","label":"NASA Exoplanet Archive ID","value":"Luhman 16 b","value_id":null,"value_raw":"Luhman 16 b","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q88650931#P5667","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}}],"unknowns":[],"omitted":{"facts":3,"reason":"max_facts; bare Q-id values without a label are left out"},"licences":[{"source":"wikidata","source_name":"Wikidata","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"fields":["P31","P59","P215","P397","P399","P528","P575","P1046","P1096","P1215","P2045","P2067","P2120","P2146","P2233","P2248","P2583","P3083","P5653","P5667"]}],"routes":{"entity_page":"https://4ort.xyz/entity/luhman-16b","packet_api":"https://4ort.xyz/api/v1/entities/luhman-16b/packet","facts_jsonld":"https://4ort.xyz/entity/luhman-16b/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=luhman-16b","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=luhman-16b","wikidata":"https://www.wikidata.org/wiki/Q88650931","official_website":null},"trust_rules":{"wikidata-reference-support/2":"From the references in our copy of the statement: high = it cites a source (stated in P248, or a reference URL that is not Wikipedia); medium = only 'imported from Wikimedia project' or a Wikipedia URL; unscored = our copy holds no reference (older copies dropped references, so this is not evidence that Wikidata has none). Wikidata may hold more references than our copy shows. Reference support, not a probability."},"notes":["Our copy of this item's statements has not been checked against Wikidata since tracking began (2026-10-25); a newer value may exist."]}