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IAU System

Namespace: mp_units::iau

Module: mp_units.systems

Header: <mp-units/systems/iau.h>

Units

Unit Name Symbol unit_symbol Definition
codata2018::jovian_mass M_♃ (M_JUP) M_JUP nominal_jovian_mass_parameter / newtonian_constant_of_gravitation
codata2018::newtonian_constant_of_gravitation G G mag_ratio<667'430, 100'000> * mag_power<10, -11> * cubic(si::metre) / si::kilogram / square(si::second)
codata2018::solar_mass M_☉ (M_SUN) M_SUN nominal_solar_mass_parameter / newtonian_constant_of_gravitation
codata2018::terrestrial_mass M_⊕ (M_EARTH) M_EARTH nominal_terrestrial_mass_parameter / newtonian_constant_of_gravitation
nominal_jovian_equatorial_radius R_♃ₑᴺ (R_JUP_E_N) R_JUP_E_N mag_ratio<71'492, 10'000> * mag_power<10, 7> * si::metre
nominal_jovian_mass_parameter (GM)_♃ᴺ ((GM)_JUP_N) GM_JUP_N mag_ratio<12'668'653, 10'000'000> * mag_power<10, 17> * cubic(si::metre) / square(si::second)
nominal_jovian_polar_radius R_♃ₚᴺ (R_JUP_P_N) R_JUP_P_N mag_ratio<66'854, 10'000> * mag_power<10, 7> * si::metre
nominal_solar_effective_temperature Tₑff,☉ᴺ (T_EFF_SUN_N) T_EFF_SUN_N mag<5772> * si::kelvin
nominal_solar_luminosity L_☉ᴺ (L_SUN_N) L_SUN_N mag_ratio<3'828, 1'000> * mag_power<10, 26> * si::watt
nominal_solar_mass_parameter (GM)_☉ᴺ ((GM)_SUN_N) GM_SUN_N mag_ratio<13'271'244, 10'000'000> * mag_power<10, 20> * cubic(si::metre) / square(si::second)
nominal_solar_radius R_☉ᴺ (R_SUN_N) R_SUN_N mag_ratio<6'957, 1'000> * mag_power<10, 8> * si::metre
nominal_terrestrial_equatorial_radius R_⊕ₑᴺ (R_EARTH_E_N) R_EARTH_E_N mag_ratio<63'781, 10'000> * mag_power<10, 6> * si::metre
nominal_terrestrial_mass_parameter (GM)_⊕ᴺ ((GM)_EARTH_N) GM_EARTH_N mag_ratio<3'986'004, 1'000'000> * mag_power<10, 14> * cubic(si::metre) / square(si::second)
nominal_terrestrial_polar_radius R_⊕ₚᴺ (R_EARTH_P_N) R_EARTH_P_N mag_ratio<63'568, 10'000> * mag_power<10, 6> * si::metre
nominal_total_solar_irradiance S_☉ᴺ (S_SUN_N) S_SUN_N mag<1361> * si::watt / square(si::metre)
parsec pc pc astronomical_unit / (mag_ratio<1, 3600> * si::degree)

Inline Namespaces

The mp_units::iau::codata2018 namespace is inline in mp_units::iau, making its units directly accessible from the parent namespace.