An objective classification scheme for QSO spectra

• 1 October 1992
• journal article
• Published by American Astronomical Society in The Astrophysical Journal
• Vol. 398, 476-490
• https://doi.org/10.1086/171870

Abstract

Keywords

• ASTRONOMICAL SPECTROSCOPY
• CLASSIFYING
• QUASARS
• ABSORPTION SPECTRA
• EMISSION SPECTRA
• SPECTRAL LINE WIDTH
• ULTRAVIOLET SPECTRA
• VISIBLE SPECTRUM