Concept information
Preferred term
Right ascension
Definition
- A coordinate in the equatorial system measured from the vernal equinox eastward to the point where the object hour circle intersects the celestial equator. Right ascension (symbol α) is expressed in hours, minutes, and seconds. (en)
Broader concept
Entry terms
- Celestial longitude (en)
Editorial note
URI
http://astrothesaurus.org/uat/1399
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