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Active galaxies
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Astronomical objects
Galaxies
Active galaxies
Term
Metadata
Active galaxies
Broader Terms
BT
↑
Galaxies
More specific terms
NT3
↓
Active galactic nuclei
►
▼
NT4
↓
Blazars
NT4
↓
Quasars
►
▼
NT5
↓
Double quasars
NT5
↓
Individual quasars
NT5
↓
Quasar-galaxy pairs
NT5
↓
Radio quiet quasars
NT5
↓
X-ray quasars
NT4
↓
Seyfert nuclei
NT3
↓
BL Lacertae objects
NT3
↓
Blazars
NT3
↓
Emission line galaxies
►
▼
NT4
↓
Liner galaxies
NT4
↓
Markarian galaxies
NT4
↓
Seyfert nuclei
NT3
↓
Haro galaxies
NT3
↓
LINEAR galaxies
NT3
↓
Markarian galaxies
NT3
↓
Radio galaxies
►
▼
NT4
↓
EP galaxies
NT4
↓
Fanaroff-Riley radio galaxies
NT4
↓
Giant radio galaxies
NT4
↓
Head-tail galaxies
NT3
↓
Seyfert galaxies
NT3
↓
Starburst galaxies
►
▼
NT4
↓
Infrared galaxies
►
▼
NT5
↓
IRAS galaxies
NT5
↓
Luminous infrared galaxies
NT5
↓
Ultraluminous infrared galaxies
Date of creation
18-Dec-2013
Accepted term
18-Dec-2013
Descendant terms
16
ARK
ark:/99152/t35yn0yd3m09gm
More specific terms
10
Alternative terms
0
Related terms
0
Notes
0
Metadata
BS8723-5
DC
MADS
SKOS-Core
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