Spectral Energy Distribution (SED) is a representation of the energy emitted by an astronomical object, such as a star, galaxy, or any other celestial body, as a function of frequency or wavelength. It provides a comprehensive overview of the object's electromagnetic radiation across a range of wavelengths, from radio waves to gamma rays. The SED is typically plotted with frequency (or wavelength) on the x-axis and the energy flux (or intensity) on the y-axis.
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