EclipticPrecessionAngles
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Defined in: precession.rs:109
pub struct EclipticPrecessionAngles { pub psi_a: super::Rad, pub omega_a: super::Rad, pub chi_a: super::Rad, pub eps_a: super::Rad,}The classical Lieske-style precession angles at a given t, all as
Rad. Returned by ecliptic_precession_angles.
Only Debug is derived (see FukushimaWilliamsAngles).
Fields
Section titled “Fields”psi_a: super::Rad
ψ_A — precession of the ecliptic in longitude. TN36 Eq. (5.39).
omega_a
Section titled “omega_a”omega_a: super::Rad
ω_A — obliquity of the mean ecliptic of date on the J2000.0
mean equator. TN36 Eq. (5.39).
chi_a: super::Rad
χ_A — precession of the ecliptic along the equator
(right-ascension component of ecliptic precession).
TN36 Eq. (5.40).
eps_a: super::Rad
ε_A — mean obliquity of date. TN36 Eq. (5.40).