This tool calculates the monochromatic luminosity Lν = 4 π Sν dL2 / (1+z)1+α and the radio luminosity Lr = ν Lν.

It does not calculate the luminosity distance, which you need to enter yourself as well as z.

The spectral index α is defined such that Sν ~ ν.

The author takes no responsibility for any error resulting from the use of tthis tool. Use with caution!

Last updated 11 December 2018.

Enter dL (units of Mpc)
Enter Sν (units of mJy)
Enter Freq (units of GHz)[default 1.4]
Enter z
Enter α (Sν ~ ν)[default –0.5]