Tools for interstellar dust extinction in astronomy
Documentation: DustExtinction
From package manager ( ] key)
add DustExtinction
Color laws:
julia> using DustExtinction
julia> ccm89(4000., 3.1)
1.4645557029425842
julia> ccm89.([4000., 5000.], 3.1)
2-element Array{Float64,1}:
1.46456
1.12225Dust maps:
julia> ENV["SFD98_DIR"] = "/home/user/data/dust"
# download maps (once)
julia> download_sfd98()
julia> dustmap = SFD98Map()
SFD98Map("/home/user/data/dust")
julia> ebv_galactic(dustmap, 0.1, 0.1)
0.793093095733043
julia> ebv_galactic(dustmap, [0.1, 0.2], [0.1, 0.2])
2-element Array{Float64,1}:
0.793093
0.539507