Property talk:P6879

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effective temperature
the temperature of a black body that would emit the same total amount of electromagnetic radiation as measured star or planet

Description	the temperature of a black body that would emit the same total amount of electromagnetic radiation as measured star or planet
Represents	effective temperature (Q854050)
Data type	Quantity
Template parameter	temperature in en:Template:Starbox detail
Domain	star (Q523), substellar object (Q3132741) or spectroscopic binary (Q1993624)
Allowed values	0 ≤ 𝓧 ≤ 150,000
Allowed units	kelvin (Q11579)
Example	Tabby’s Star (Q21104086) → 6,750 kelvin Electra (Q13429) → 14,000 kelvin Mira (Q12965) → 3,000 kelvin 24 Ursae Majoris (Q8178869) → 5,335 kelvin
Source	SIMBAD fe_h group of measurements (Teff column) (note: this information should be moved to a property statement; use property source website for the property (P1896))
Tracking: usage	Category:Pages using Wikidata property P6879 (Q79089053)
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) Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P6879 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 767,830 Main statement 767,826 >99.9% of uses Qualifier 4 <0.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “star (Q523), substellar object (Q3132741), spectroscopic binary (Q1993624)”: item must contain property “instance of (P31), subclass of (P279)” with classes “star (Q523), substellar object (Q3132741), spectroscopic binary (Q1993624)” 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/P6879#Type Q523, Q3132741, Q1993624, SPARQL

Units: “kelvin (Q11579)”: 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/P6879#Units

Range from “0” to “150000”: values should be in the range from “0” to “150000”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: WISE 0855–0714 (Q16664406)
List of violations of this constraint: Database reports/Constraint violations/P6879#Range

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/P6879#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/P6879#single best value, SPARQL

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/P6879#Scope, 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/P6879#Entity types

This property is being used by: ru:Шаблон:Звезда ca:Plantilla:Infotaula d'estel cs:Šablona:Infobox - hvězda eu:Txantiloi:Izar infotaula he:תבנית:גוף פלנטרי Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)