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Galaxies: active (6) |
Galaxies: Seyfert (6) |
Galaxies: individual (NGC 5548) (3) |
Galaxies: nuclei (3) |
9X-rays: galaxies (1) |
Galaxies: individual:NGC4593 (1) |
Nalaxies: nuclei (1) |
Radiative transfer (1) |
Ultraviolet: galaxies (1) |