Celestial Reference Origin

• CURIE: gmeow:CelestialReferenceOrigin
• IRI: https://blackcatinformatics.ca/gmeow/CelestialReferenceOrigin
• Category: class
• Defined by: gmeow:slices/places
• Box roles: TBox role (What is this?)

The origin of a celestial coordinate system (topocentric, geocentric, barycentric, heliocentric, etc.). A value vocabulary aligned to IVOA refposition.

Structure

Subclass of: gufo:QualityValue

Practical Pattern

Use gmeow:CelestialReferenceOrigin as a specialized kind of gufo:QualityValue. Add statement metadata or a standpoint when the assertion needs provenance, confidence, or vantage.

Usage Advice

Use when

• Use to mint or reference the origin of a celestial coordinate system (topocentric, geocentric, barycentric, heliocentric), aligned to IVOA refposition.

Avoid when

• Avoid encoding the origin as a frame subclass (Principle 9).

How to use

• Mint the origin as a gmeow:CelestialReferenceOrigin individual and reference it from a celestial frame via gmeow:hasReferencePosition.

Examples

• ex:refOriginHeliocentric a gmeow:CelestialReferenceOrigin.