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ESA Data Ontology

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... > Observational astronomy > Astronomical techniques > Astrometry > Astronomical coordinate systems > Ecliptic coordinate system > Ecliptic longitude

Preferred term

Ecliptic longitude  

Definition

  • One of the two coordinates in the ecliptic system; the angle measured eastwards along the ecliptic from 0° to 360°, with the origin at the vernal equinox. (en)

Broader concept

Contributor

Editorial note

URI

http://astrothesaurus.org/uat/447

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