Property talk:P65

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site of astronomical discovery
the place where an astronomical object was discovered (observatory, satellite)

Description	place where the astronomical object discovery was made: observatory, satellite... Distinct from location of discovery (P189).
Represents	discovered at site (Q66004497)
Data type	Item
Template parameter	en:template:Infobox planet discovery_site
Domain	astronomical object (Q6999) or astronomical phenomenon (Q751989)
Allowed values	instances of physical location (Q17334923), mainly observatory (Q62832) (note: this should be moved to the property statements)
Example	(5611) 1943 DL (Q155571) → Iso-Heikkilä Observatory (Q2976682) 2464 Nordenskiöld (Q149113) → Iso-Heikkilä Observatory (Q2976682) Hanny's Voorwerp (Q604603) → Apache Point Observatory (Q616529)
Tracking: usage	Category:Pages using Wikidata property P65 (Q26250071)
See also	volcano observatory (P3815)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P65 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 59,594 Main statement 59,588 >99.9% of uses Qualifier 6 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Chelyabinsk meteor (Q4661508), P/2013 R3 (Catalina–PANSTARRS) (Q20098061)
List of violations of this constraint: Database reports/Constraint violations/P65#Single value, SPARQL

Type “astronomical object (Q6999), astronomical phenomenon (Q751989)”: item must contain property “instance of (P31)” with classes “astronomical object (Q6999), astronomical phenomenon (Q751989)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P65#Type Q6999, Q751989, SPARQL

Value type “physical location (Q17334923), astronomical observatory (Q1254933)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value physical location (Q17334923), astronomical observatory (Q1254933) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P65#Value type Q17334923, Q1254933, SPARQL

Qualifiers “determination method (P459), reason for deprecated rank (P2241), reason for preferred rank (P7452), item operated (P121), statement supported by (P3680)”: this property should be used only with the listed qualifiers. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P65#allowed qualifiers, SPARQL

Item “time of discovery or invention (P575)”: Items with this property should also have “time of discovery or invention (P575)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P65#Item P575, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P65#Entity types

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P65#Scope, SPARQL

This property is being used by: ru:Шаблон:Малая планета, ru:Шаблон:Метеорит be:Шаблон:Малая планета hu:Sablon:Égitest infobox/új, hu:Sablon:Sablonhomokozó, hu:Sablon:Égitest infobox no:Mal:Infoboks himmellegeme, no:Mal:Infoboks småplanet, no:Mal:SammenlignFunnsted, no:Mal:Infoboks utenomjordisk geologi, no:Mal:Planetboks oppdagelse, no:Mal:Wikidata Infobox/core ro:Format:Infocaseta Asteroid, ro:Format:Infocaseta Planetă my:Template:Infobox astronomical event ur:سانچہ:خانہ معلومات فلکیاتی واقعہ, ur:سانچہ:خانہ معلومات ویکی ڈیٹا/کور, ur:سانچہ:Wikidata Infobox/core el:Πρότυπο:Κουτί πληροφοριών πλανήτη, el:Πρότυπο:Πληροφορίες πλανήτη eu:Txantiloi:Asteroide infotaula automatikoa, eu:Txantiloi:Astronomia infotaula ca:Plantilla:Asteroide, ca:Plantilla:Infotaula esdeveniment, ca:Plantilla:Esdeveniment astronòmic, ca:Plantilla:Planeta extrasolar, ca:Plantilla:Infotaula satèl·lit, ca:Plantilla:Infotaula d'asteroide uk:Шаблон:Планета gu:ઢાંચો:Wikidata Infobox, gu:ઢાંચો:Wikidata Infobox/core la:Formula:Capsa asteroidis Vicidata, la:Formula:Capsa satellitis Vicidata ar:قالب:معلومات حدث فلكي en:Template:Infobox astronomical event fa:الگو:Infobox astronomical event hi:साँचा:Infobox astronomical event, hi:साँचा:Wikidata Infobox/core id:Templat:Infobox astronomical event, id:Templat:Wikidata infobox, id:Templat:Kotak info Wikidata/inti mk:Шаблон:Инфокутија Астрономска појава th:แม่แบบ:Infobox astronomical event vi:Bản mẫu:Infobox astronomical event zh:Template:Infobox astronomical event ast:Plantía:Ficha d'oxetu celeste commons:Template:Wikidata Infobox/core cy:Nodyn:Wikidata Infobox es:Plantilla:Wikidata Infobox mw:Template:Wikidata Infobox/core mr:साचा:विकिडाटा माहितीचौकट/core, mr:साचा:विकिडेटा माहितीचौकट/core sa:फलकम्:Wikidata Infobox q:fr:Modèle:Wikidata Infobox/core de:Vorlage:Wikidata Infobox/core ta:வார்ப்புரு:Wikidata Infobox/core sv:Mall:Wikidata Infobox/core s:zh:Template:Wikidata Infobox/core ckb:داڕێژە:Wikidata Infobox/core pt:Predefinição:Wikidata Infobox/core be-x-old:Шаблён:Плянэта ku:Şablon:Wikidata Infobox/core mnw:ထာမ်ပလိက်:Wikidata Infobox/core zh-yue:Template:維基數據行星明細 az:Şablon:Planet 2, az:Şablon:Planet d:Template:Wikidata Infobox/core s:ban:Mal:Wikidata Infobox/core ban:Mal:Wikidata Infobox/core lv:Veidne:Wikidata Infobox/core hy:Կաղապար:Տեղեկաքարտ Աստղագիտական ​​իրադարձություն voy:shn:ထႅမ်းပလဵတ်ႉ:Wikidata Infobox s:hi:साँचा:Wikidata Infobox/core be-tarask:Шаблён:Плянэта eo:Ŝablono:Informkesto astronomia objekto yue:Template:維基數據行星明細 sk:Šablóna:Infobox Planétka Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Clarification

should be merged with Property:P189? JAn Dudík (talk) 20:26, 3 March 2013 (UTC)

if I have understood correctly, there is a bit difference with Property:P189: Property:P65 means where the discoverer is (e.g. observatory, satellite...), not where the discovered object is. --Paperoastro (talk) 21:50, 3 March 2013 (UTC)

Value type constraint

According to the property’s constraints, the value should be of physical location (Q17334923). However, astronomical observatory (Q1254933)—which looks like quite an obvious choice for places where astronomical discoveries are made—is not a subclass of physical location (Q17334923). Actually, based on a rough estimation, this probably accounts for more than 90% of the currently 33797 violations of this constraint (this is more than the half of the total usage!). This should certainly be fixed somehow as astronomical observatories are perfectly valid places of discoveries, but I’m not sure how: should the constraint be relaxed (geographic entity (Q27096213) would fit), or should astronomical observatory (Q1254933)’s class tree be changed somehow? If the latter, how? —Tacsipacsi (talk) 21:53, 6 October 2020 (UTC)