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 |
