Property talk:P11021

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Glossary of Astronomical Terms ID
identifier for an entry term in the National Astronomical Data Center of China's Glossary of Astronomical Terms

Associated item	National Astronomical Data Center (Q113648846), National Astronomical Data Center (Q113648846)
Applicable "stated in" value	Glossary of Astronomical Terms (Q113648760)
Data type	External identifier
Allowed values	[1-9]\d*
Example	588 Achilles (Q155704) → 69 Antlia Dwarf (Q585022) → 255 Maunder Minimum (Q827568) → 2785 Uranometria (Q609895) → 20897
Source	https://nadc.china-vo.org/astrodict/
Formatter URL	https://nadc.china-vo.org/astrodict/termdetails?id=$1
Related to country	People's Republic of China (Q148) (See 127 others)
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 external identifier 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) Database reports/Constraint violations/P11021 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 44 Main statement 40 out of 26,123 (0% complete) 90.9% of uses Qualifier 4 9.1% of uses
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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).
List of violations of this constraint: Database reports/Constraint violations/P11021#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (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/P11021#Unique value, SPARQL (every item), SPARQL (by value)

Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (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/P11021#Format, SPARQL

Scope is as main value (Q54828448), as reference (Q54828450): 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/P11021#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/P11021#Entity types