A detailed study of the emission lines in the Seyfert 1 nucleus of M81

• 1 January 1988
• journal article
• Published by American Astronomical Society in The Astrophysical Journal
• Vol. 324, 134-153
• https://doi.org/10.1086/165886

Abstract

Keywords

• ASTRONOMICAL SPECTROSCOPY
• EMISSION SPECTRA
• GALACTIC NUCLEI
• LINE SPECTRA
• SEYFERT GALAXIES
• VISIBLE SPECTRUM
• ABSORPTION SPECTRA
• H ALPHA LINE
• SIGNAL TO NOISE RATIOS
• SPECTRAL RESOLUTION