The width of an absorption line or an emission line in a spectrum, usually quoted as full width at half maximum (FWHM). Any line broadening present may shed light on processes taking place in the absorbing or emitting region. Found on http://www.daviddarling.info/encyclopedia/L/line_width.html
The width of an absorption line or an emission line in a spectrum, usually quoted as full width at half maximum (FWHM). Any line broadening present may shed light on processes taking place in the absorbing or emitting region.