{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.cetus-iii","code":"thing-q135742107","url":"https://ver.cy/models/thing/q135742107/","name":"Cetus III","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.2","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 ultra-faint dwarf galaxy candidate in the constellation Cetus, identified in imaging surveys as a sparse group of old, metal-poor stars, one of several faint satellites of the Milky Way named after the constellation in which they were found; its nature as a galaxy or star cluster and its properties are refined through follow-up observations.","purpose":"Let an agent describe Cetus III and its discovery with sources, explain what ultra-faint dwarfs are, and present its properties with appropriate uncertainty.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Ultra-faint satellite","Found in survey data","Dark-matter dominated if a galaxy","Properties uncertain"],"structure":{"bundles":[{"id":"identify","name":"Identify","description":"Which object.","layers":[{"id":"which","name":"Which","description":"Cetus III versus others.","findings":[{"id":"which-finding","name":"Which","description":"Identification.","questions":[{"text":"Is Cetus III, Cetus II or the Cetus dwarf spheroidal meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]},{"id":"discovery","name":"Discovery","description":"How found.","findings":[{"id":"discovery-finding","name":"Discovery","description":"Discovery.","questions":[{"text":"How and when was Cetus III discovered, and by which survey?","kind":"provenance"},{"text":"Who published the discovery?","kind":"provenance"}]}]}]},{"id":"properties","name":"Properties","description":"What is known.","layers":[{"id":"data","name":"Data","description":"Measured properties.","findings":[{"id":"data-finding","name":"Data","description":"Properties.","questions":[{"text":"What are the estimated distance, size, luminosity and metallicity of Cetus III, according to studies?","kind":"provenance"},{"text":"How uncertain are they?","kind":"boundary"}]}]},{"id":"nature","name":"Nature","description":"Galaxy or cluster.","findings":[{"id":"nature-finding","name":"Nature","description":"Nature.","questions":[{"text":"Is Cetus III confirmed as a dwarf galaxy rather than a star cluster, and what evidence is cited?","kind":"provenance"},{"text":"What follow-up is planned?","kind":"provenance"}]}]}]},{"id":"context","name":"Context","description":"Ultra-faint dwarfs.","layers":[{"id":"class","name":"Class","description":"Ultra-faint dwarfs.","findings":[{"id":"class-finding","name":"Class","description":"Class.","questions":[{"text":"What are ultra-faint dwarf galaxies, and why are they important for dark matter and cosmology?","kind":"definition"},{"text":"How many are known?","kind":"provenance"}]}]},{"id":"satellites","name":"Satellites","description":"Milky Way satellites.","findings":[{"id":"satellites-finding","name":"Satellites","description":"Satellites.","questions":[{"text":"How does Cetus III fit among Milky Way satellites and the missing satellites problem?","kind":"provenance"},{"text":"Which satellites are similar?","kind":"provenance"}]}]}]},{"id":"learn","name":"Learn","description":"Study.","layers":[{"id":"data","name":"Data","description":"Accessing data.","findings":[{"id":"data-finding","name":"Data","description":"Data access.","questions":[{"text":"Where can survey data on Cetus III be accessed?","kind":"provenance"},{"text":"Which catalogues list it?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can ultra-faint dwarfs be taught with examples such as Cetus III?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report Cetus III with its survey source and status as a candidate.","Explain ultra-faint dwarf galaxies and why they matter."],"mustNot":["Present Cetus III as a confirmed galaxy if it is still a candidate.","Invent distances, masses or properties not published.","Confuse it with other objects named after Cetus."],"requiresHuman":["Announcing a change in its status."]},"ethics":{"considerations":["Candidate objects can be refuted, so overstatement misleads.","Survey teams deserve credit for discoveries."],"affectedParties":["Researchers","Learners"]},"owners":{"steward":"Nobody: an astronomical object; survey teams publish its data.","roles":[],"masterSystems":["Astronomical object catalogues"]},"relations":[{"target":"Q47461830","type":"parent","note":"registry parent class"},{"target":"dwarf galaxy","type":"related","note":"category"},{"target":"Milky Way","type":"related","note":"host"},{"target":"Cetus","type":"related","note":"constellation"},{"target":"dark matter","type":"related","note":"inferred content"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.cetus-iii","Wikidata: Q135742107 (https://www.wikidata.org/wiki/Q135742107)"]},"properties":{"applicability":"required","items":["Distance from Earth:  kiloparsec - Distance is estimated by comparing observed stellar brightness and colour with models of old stellar populations.","Projected half-light radius:  parsec - The radius enclosing half the inferred luminosity is estimated from the projected stellar distribution and adopted distance.","Total luminosity:  solar luminosity - Luminosity is inferred from likely member stars with corrections for undetected stars and foreground contamination."]},"recognition":{"applicability":"required","items":["Faint stellar overdensity in Cetus","Old metal-poor stars","Cetus II and the Cetus dwarf are different objects","Not visible to the eye; a faint overdensity of stars in survey images."]},"capabilities":{"applicability":"required","items":["describe the discovery and properties with sources","explain ultra-faint dwarf galaxies","relate to other Milky Way satellites","note uncertainties"]},"hazards":{"applicability":"required","items":["Confusing with Cetus II or the Cetus dwarf spheroidal","Overstating properties from limited data","Outdated classification"]},"interfaces":{"applicability":"required","items":["Astronomical naming conventions","Survey data release policies"]},"context":{"applicability":"required","items":["Near-field cosmology and galaxy studies.","ultra-faint dwarf galaxies","Milky Way satellites","satellites found in wide-field surveys","candidates between galaxy and cluster"]}},"sources":[{"title":"Wikidata item Q135742107: Cetus III","url":"https://www.wikidata.org/wiki/Q135742107","note":"identity and sense of the item"},{"title":"Wikipedia: Cetus III","url":"https://en.wikipedia.org/wiki/Cetus_III","note":"general description of the item"}],"openQuestions":["Should each ultra-faint dwarf be a separate entry?","How should survey papers be linked?","How should classification updates be tracked?"],"resources":{"spec":"/models/things/publications/thing-q135742107/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q135742107/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T21:12:39Z","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 2026-10-07T10:10:26+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}