Jansky - Wikipedia
https://en.wikipedia.org/wiki/Jansky
The jansky (symbol Jy, plural janskys) is a non-SI unit of spectral flux density, or spectral irradiance, used especially in radio astronomy. It is equivalent to 10 watts per square metre per hertz. The flux density or monochromatic flux, S, of a source is the integral of the spectral radiance, B, over the source solid angle: The unit is named after pioneering US radio astronomer Karl Guthe Jansky and is defined as Symbol: Jy Unit system: Non-SI metric unit
Symbol: Jy
Unit system: Non-SI metric unit
DA: 53 PA: 54 MOZ Rank: 100