Frenetic growth of supermassive black holes in the early universe
Quasar broad-line region abundances compared to solar abundances derived from the ratios of several ions measured in the near-infrared spectra of the broad line region. The filled circles are derived from the GNIRS study.
Credit:International Gemini Observatory/NOIRLab/NSF/AURA
About the Image
Id: | geminiann07010b |
Type: | Chart |
Release date: | July 31, 2007, 5 a.m. |
Related announcements: | geminiann07010 |
Size: | 500 x 450 px |
About the Object
Category: | Illustrations |