noun
Astronomical term for the angular distance of a celestial body north or south of the celestial equator, analogous to latitude on Earth.
天体の赤緯を測定する。
Measure the declination of a celestial body.
赤緯は赤道座標系の一要素です。
Declination is one element of the equatorial coordinate system.
Right ascension, the other coordinate in the equatorial system, analogous to longitude.
From 赤 (red, here referring to the celestial equator) and 緯 (latitude, weft). The term is a direct translation of the Western astronomical concept.