The following sources contain a variety of spectral data. These sources are NOT listed under each spectra type in this guide, but you should make a habit of checking these first!
This site is an index to spectral properties data accessible primarily to the UW-Madison community. Free online sources are also shown when applicable.
Browse the index of spectra types using the Guide Contents link on the top right of this page. You can also begin with the Standard Sources list on this page.
For assistance locating spectral data, see Tips for Locating Spectral Data below or contact email@example.com.