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Astronomy System

Namespace: mp_units::astronomy

Module: mp_units.systems

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

Units

Unit Name Symbol unit_symbol Definition
Julian_year a a mag_ratio<365'25, 100> * day
century c c mag<100> * Julian_year
day D D non_si::day
gaussian_gravitational_constant k k mag_ratio<1'720'209'895, 100'000'000'000> * pow<3, 2>(iau::astronomical_unit) / pow<1,2>(iau::solar_mass) / day
jansky Jy Jy mag_power<10, -26> * si::watt / square(si::metre) / si::hertz
light_year ly ly mag<9'460'730'472'580'800> * si::metre
lunar_distance LD LD mag<384'399> * si::kilo<si::metre>
millennium ka ka mag<1000> * Julian_year
sidereal_day D_sid D_sid mag_ratio<86'164'0905, 1'000'000> * si::second
tropical_year a_trop a_trop mag_ratio<365'242189, 1'000'000> * day