Open Access
Table 1
AGN descriptions available in APT for Cycle 4 proposals.
| Quasars | Active galactic nuclei | Radio jets |
| Double quasars | Active galaxies | Radio cores |
| Radio loud quasars | Seyfert galaxies | Radio lobes |
| Radio quiet quasars | Blazars | Radio galaxies |
| X-ray quasars | LINER galaxies | Radio plumes |
| Broad-absorption line quasar | Galactic accretion disk | Radio hot spots |
| Quasar-galaxy pairs | Ultraluminous infrared galaxies | Galaxy jets |
| Relativistic jets | BL Lacertae objects |
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