Property talk:P7584

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age estimated by a dating method
estimation of the age of a star, geological feature, fossil or object

Represents	age (Q100343219)
Data type	Quantity
Allowed values	1E−16 ≤ 𝓧 ≤ not applicable
Allowed units	Instances of: unit of time year (Q577), gigaannum (Q524410), megaannum (Q20764) or kiloannum (Q3013059)
Example	24 Ursae Majoris (Q8178869) → 1 gigaannum KH 15D (Q4041982) → 3 megaannum HD 82943 (Q83782) → 3 gigaannum Dali Man (Q834098) → 260 kiloannum Olympus Mons (Q520) → 3.83 gigaannum Venus of Willendorf (Q131397) → 25,000 year
Tracking: usage	Category:Pages using Wikidata property P7584 (Q76513476)
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 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 Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P7584 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 4,527 Main statement 4,517 99.8% of uses Qualifier 10 0.2% of uses

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Units: “year (Q577), gigaannum (Q524410), megaannum (Q20764), kiloannum (Q3013059)”: value unit must be one of listed. (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/P7584#Units

Conflicts with “instance of (P31): human (Q5)”: this property must not be used with the listed properties and values. (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/P7584#Conflicts with P31, SPARQL

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P7584#Item P31, hourly updated report, SPARQL

Range from “1e-16” to “+∞”: values should be in the range from “1e-16” to “+∞”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P7584#Range, hourly updated report

Citation needed: the property must have at least one reference (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/P7584#citation needed

Single best value: this property generally contains a single value. If there are several, one would have preferred rank (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/P7584#single best value, 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/P7584#Entity types

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

List of violations of this constraint: Database reports/Constraint violations/P7584#Scope, hourly updated report, SPARQL

This property is being used by: ru:Шаблон:Звёздное скопление ca:Plantilla:Infotaula d'estel, ca:Plantilla:Infotaula d'objecte astronòmic be-x-old:Шаблён:Гара be-tarask:Шаблён:Гара Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)