Table 24-1: Properties of Active Galactic Nuclei (AGN)
| | | | Intrinsic Luminosity |
|---|
| Object (Type) | Found in which type of galaxy | Strength of radio emission | Type of emission lines in spectrum | (watts) | (Milky Way Galaxy = 1) |
|---|
| Blazar (1) | Elliptical | Strong | None | 1038 to 1042 | 10 to 105 |
| Radio-loud quasar (1) | Elliptical | Strong | Broad | 1038 to 1042 | 10 to 105 |
| Radio galaxy (2) | Elliptical | Strong | Narrow | 1036 to 1038 | 0.1 to 10 |
| Radio-quiet quasar (1) | Spiral or elliptical | Weak | Broad | 1038 to 1042 | 10 to 105 |
| Type 1 Seyfert | Spiral | Weak | Broad | 1036 to 1038 | 0.1 to 10 |
| Type 2 Seyfert | Spiral | Weak | Narrow | 1036 to 1038 | 0.1 to 10 |