EA: ZENITH_ANGLE
Status:
SUBM 2009/06/04
Concept definition:
The angular distance of any celestial <
OBJECT
> from a given observer's surface normal (zenith) measured along the great circle of the celestial sphere from the zenith to the <
OBJECT
>.
Attribute value type:
REAL
Unit equivalence class label:
PLANE_ANGLE
Reference type:
IR
Reference:
[
GMET
, "zenith distance"]
Supplemental references:
Group membership:
ANGULAR_MEASURE
SPACE
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