Symbols:Z/Zenith Distance

From ProofWiki
Jump to navigation Jump to search

Zenith Distance


Let $X$ be the position of a star (or other celestial body) on the celestial sphere.

The zenith distance $\zeta$ of $X$ is defined as the angle subtended by the the arc of the vertical circle through $X$ between $X$ and the zenith.

It is often denoted by $z$.

Also denoted by

The zenith distance is also seen denoted by the Greek letter $\zeta$.