Angular altitude in upper culmination¶

In observational astronomy, culmination is the passage of a celestial object across the observer’s local meridian. Upper culmination refers to the time when the object reaches its highest point (i.e. it is nearest to the zenith).

Conditions:

The object is at its upper culmination.

Links:

Wikipedia.

altitude¶: altitude of the object.

Symbol:: h
Latex:: \(h\)
Dimension:: angle

latitude¶: latitude of the object.

Symbol:: phi
Latex:: \(\phi\)
Dimension:: angle

declination¶: declination of the object.

Symbol:: delta
Latex:: \(\delta\)
Dimension:: angle

ninety_degrees¶: A \(90^\circ\) angle.

Symbol:: 90_deg
Latex:: \(90^\circ\)
Dimension:: dimensionless

law¶

h = 90_deg - phi + delta

Latex:: \[h = 90^\circ - \phi + \delta\]