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• 001 Exact sciences and technology.
  • 001E Earth, ocean, space. (See also 001D14F, 001D06B02B, 001D06B01B, 001C02D)
    • 001E03 Astronomy.
      • 001E03D Stellar systems. Galactic and extragalactic objects and systems. The Universe.
        • 001E03D54 Quasars. Active or peculiar galaxies, objects, and systems.
          • 001E03D54C Active and peculiar galaxies (including BL Lacertae objects, blazars, Seyfert galaxies, Markarian galaxies, active galactic nuclei).

Title

• en : Active and peculiar galaxies (including BL Lacertae objects, blazars, Seyfert galaxies, Markarian galaxies, active galactic nuclei).
• fr : Galaxies actives et particulières (incluant les objets BL Lacertae, les blazars, les galaxies Seyfert, les galaxies Markarian et les noyaux galactiques actifs).

SKOS Notation

001E03D54C

In the plan

Pascal Classification Scheme