NE VIII lambda 774 and time variable associated absorption in the QSO UM 675

• 1 April 1995
• journal article
• Published by American Astronomical Society in The Astrophysical Journal
• Vol. 443, 606-616
• https://doi.org/10.1086/175552

Abstract

Keywords

• ABSORPTION LINE
• VARIABILITY
• NITROGEN
• ABSORPTION SPECTRA
• HYDROGEN
• PHOTOIONIZATION
• CARBON
• METALLICITY
• NEON
• ULTRAVIOLET ASTRONOMY
• OXYGEN
• QUASARS