{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.quasar","code":"thing-q83373","url":"https://ver.cy/models/thing/q83373/","name":"quasar","alternateNames":["blazar","hot, dust-obscured galaxies","BL Lacertae object","OVV quasar"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.SPC"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"An extremely luminous active galactic nucleus powered by accretion onto a supermassive black hole, seen at great distances; blazars are active galactic nuclei with jets directed nearly toward us and include both flat-spectrum radio quasars and BL Lac objects.","purpose":"Let an agent describe quasars by designation, redshift, luminosity and type, with sourced data and without confusing them with pulsars.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Active galactic nucleus of extreme luminosity","Powered by supermassive black holes","Blazars point jets toward us","Not pulsars"],"structure":{"bundles":[{"id":"identity","name":"Identity","description":"Which quasar.","layers":[{"id":"designation","name":"Designation","description":"Catalogue.","findings":[{"id":"designation-finding","name":"Designation","description":"Designation.","questions":[{"text":"Which designation identifies it?","kind":"provenance"},{"text":"Is it a blazar?","kind":"definition"}]}]},{"id":"redshift","name":"Redshift","description":"Distance.","findings":[{"id":"redshift-finding","name":"Redshift","description":"Redshift.","questions":[{"text":"What is its redshift?","kind":"measurement"},{"text":"What distance does that imply, under which cosmology?","kind":"provenance"}]}]}]},{"id":"physics","name":"Physics","description":"Engine.","layers":[{"id":"black-hole","name":"Black hole","description":"Mass.","findings":[{"id":"black-hole-finding","name":"Black hole","description":"Black hole mass.","questions":[{"text":"What is the estimated black hole mass?","kind":"measurement"},{"text":"How was it estimated?","kind":"provenance"}]}]},{"id":"jets","name":"Jets","description":"Outflows.","findings":[{"id":"jets-finding","name":"Jets","description":"Jets.","questions":[{"text":"Does it have jets?","kind":"definition"},{"text":"Are they aimed at us?","kind":"definition"}]}]}]},{"id":"observation","name":"Observation","description":"Data.","layers":[{"id":"surveys","name":"Surveys","description":"Catalogues.","findings":[{"id":"surveys-finding","name":"Surveys","description":"Surveys.","questions":[{"text":"Which surveys include it?","kind":"provenance"},{"text":"In which bands?","kind":"definition"}]}]},{"id":"variability","name":"Variability","description":"Changes.","findings":[{"id":"variability-finding","name":"Variability","description":"Variability.","questions":[{"text":"How variable is it?","kind":"measurement"},{"text":"On what timescales?","kind":"measurement"}]}]}]},{"id":"science","name":"Science","description":"Cosmology.","layers":[{"id":"early-universe","name":"Early universe","description":"Probes.","findings":[{"id":"early-universe-finding","name":"Early universe","description":"Cosmological use.","questions":[{"text":"What does it reveal about the early universe?","kind":"provenance"},{"text":"Which studies?","kind":"provenance"}]}]},{"id":"communication","name":"Communication","description":"Clarity.","findings":[{"id":"communication-finding","name":"Communication","description":"Clear explanation.","questions":[{"text":"How can quasars be explained simply?","kind":"action"},{"text":"What confusions are common?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Report quasar data such as redshift and position from astronomical catalogues.","Explain what quasars are from established science."],"mustNot":["Present speculative interpretations as settled fact.","Attribute a discovery to a researcher without a source.","Present distances or ages with false precision."],"requiresHuman":["Announcing new findings on behalf of a research team."]},"ethics":{"considerations":["Scientific claims should be accurate and credited to those who made them.","Public trust in astronomy depends on honest statements of uncertainty."],"affectedParties":["Researchers","The public who rely on science reporting"]},"owners":{"steward":"Nobody: a natural object; astronomical catalogues keep the records.","roles":[],"masterSystems":["Astronomical object catalogues and databases"]},"relations":[{"target":"Q139253897","type":"parent","note":"registry parent class"},{"target":"Q46587","type":"parent","note":"registry parent class"},{"target":"active galactic nucleus","type":"related","note":"category"},{"target":"black hole","type":"related","note":"engine"},{"target":"galaxy","type":"related","note":"host"},{"target":"pulsar","type":"related","note":"different object"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.quasar","Wikidata: Q83373 (https://www.wikidata.org/wiki/Q83373)","SDSS or catalogue id: survey identifiers quasar catalogues"]},"properties":{"applicability":"required","items":["luminosity: up to about 10^41 watts","redshift: up to about 7.6 z - most distant known"]},"recognition":{"applicability":"required","items":["Point-like sources with high redshift","Broad emission lines","Designations such as 3C 273","Star-like points in images; distinguished by spectra and redshift."]},"capabilities":{"applicability":"required","items":["observe across the spectrum","measure redshift","use as background light sources","catalogue them"]},"hazards":{"applicability":"required","items":["Confusing with pulsars","Distance unit confusion"]},"interfaces":{"applicability":"required","items":["IAU nomenclature"]},"context":{"applicability":"required","items":["Quasars probe the early universe and black hole growth.","radio-loud and radio-quiet quasars","blazars and BL Lac objects","OVV quasars","hot dust-obscured galaxies (related)"]}},"sources":[{"title":"Wikidata item Q83373: quasar","url":"https://www.wikidata.org/wiki/Q83373","note":"identity and sense of the item"},{"title":"Wikipedia: Quasar","url":"https://en.wikipedia.org/wiki/Quasar","note":"general description of the item"}],"openQuestions":["Should quasar types be separate entries?","How should catalogues be linked?","How should cosmology assumptions be recorded for distances?"],"resources":{"spec":"/models/things/publications/thing-q83373/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q83373/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T06:44:35Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:33+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}