UnitfulAstro.jl Documentation
UnitfulAstro.jl is an extension of Unitful.jl to include units commonly encountered in astronomy.
Table of Units
The list of additional units is given below:
Name | Binding | Value |
---|---|---|
Erg | UnitfulAstro.erg | 1//10000000 J |
Dyne | UnitfulAstro.dyn | 1//100000 N |
Arcminute | UnitfulAstro.arcminute | 0.016666666666666666 ° |
Arcsecond | UnitfulAstro.arcsecond | 0.0002777777777777778 ° |
Julian year | UnitfulAstro.yr | 365.25 dy |
Astronomical unit | UnitfulAstro.AU | 1.495978707e13 cm |
Light year | UnitfulAstro.ly | 9.4607304725808e17 cm |
Parsec | UnitfulAstro.pc | 3.0856775814913674e18 cm |
Jansky | UnitfulAstro.Jy | 1.0e-23 erg Hz^-1 cm^-2 s^-1 |
Angstrom | UnitfulAstro.angstrom | 0.1 nm |
Solar radius | UnitfulAstro.Rsun | 6.957e10 cm |
Solar irradiance | UnitfulAstro.Ssun | 1.361e6 erg cm^-2 s^-1 |
Solar luminosity | UnitfulAstro.Lsun | 3.828e33 erg s^-1 |
G × Solar mass | UnitfulAstro.GMsun | 1.3271244e20 m^3 s^-2 |
Solar mass | UnitfulAstro.Msun | 1.9884754153381438e33 g |
Earth radius (equatorial) | UnitfulAstro.Rearth_e | 6.3781e8 cm |
Earth radius (polar) | UnitfulAstro.Rearth_p | 6.3568e8 cm |
Earth radius | UnitfulAstro.Rearth | 6.3781e8 cm |
G × Earth mass | UnitfulAstro.GMearth | 3.986004e14 m^3 s^-2 |
Earth mass | UnitfulAstro.Mearth | 5.972364730419773e27 g |
Jupiter radius (equatorial) | UnitfulAstro.Rjup_e | 7.1492e9 cm |
Jupiter radius (polar) | UnitfulAstro.Rjup_p | 6.6854e9 cm |
Jupiter radius | UnitfulAstro.Rjup | 7.1492e9 cm |
G × Jupiter mass | UnitfulAstro.GMjup | 1.2668653e17 m^3 s^-2 |
Jupiter mass | UnitfulAstro.Mjup | 1.8981871658715508e30 g |
Fifty-one ergs | UnitfulAstro.foe | 1.0e51 erg |
Solar flux unit | UnitfulAstro.SFU | 10//1 kJy |
Total electron content unit | UnitfulAstro.TECU | 1.0e12 cm^-2 |
Examples
julia> using Unitful, UnitfulAstro
julia> uconvert(u"erg", 1 * Unitful.kg * Unitful.gn * Unitful.m)
9.80665e7 erg
julia> uconvert(u"Jy", 1.23e-20 * u"erg/s/cm^2/Hz")
1230.0000000000002 Jy
julia> uconvert(u"ly", 1 * u"pc")
3.2615637771674337 ly
IAU Resolutions
Copies of recent IAU resolutions which formalize the definitions of some units used in this package are linked below.