English noun: hour angle | |||
1. | hour angle (location) the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body | ||
Broader (hypernym) | distance | ||
2. | hour angle (shape) (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day | ||
Synonyms | HA | ||
Broader (hypernym) | angular distance | ||
Domain category | astronomy, uranology | ||