hour angle 详细解释

hour angle

n. 时角

英英释义

名词 hour angle:

the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body

(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

同义词:HA

补充

hour anglehour angle1.时角,相位角