EPSILON_0
このコンテンツはまだ日本語訳がありません。
Defined in: precession.rs:63
const EPSILON_0: super::Arcsec = _
Mean obliquity of the ecliptic at J2000.0 (ε₀).
TN36 §5.6.3 p.63: “the IAU 2006 obliquity is different from the IAU
1980 obliquity … with ε₀ = 84381.406″ for the mean obliquity at
J2000.0 of the ecliptic (while the IAU 2000 value was 84381.448″).”