EntityQ3457898· pop 14· linked from 97 articlesSpectral resolutionSign in to savethe capability of an optical system to distinguish different frequenciesConnectionsspeed of light in vacuumEntityinfrared radiationEntitydigital object identifierEntitywavelengthEntityDoppler effectEntitynanometreEntityInternational Union of Pure and Applied ChemistryEntityelectromagnetic spectrumEntityEuropean Southern ObservatoryEntityVery Large TelescopeEntityangular resolutionEntityoptical spectrometerEntityspectral densityEntityechelle gratingEntitySpace Telescope Imaging SpectrographEntityIUPAC booksEntityResolutionEntityCategoriesSpectroscopy