Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:galaxy
|
| gptkbp:apparent_magnitude |
13.2
|
| gptkbp:associated_with |
various astronomical surveys
|
| gptkbp:constellation |
gptkb:Virgo
|
| gptkbp:discovered_by |
gptkb:William_Herschel
|
| gptkbp:discovery_year |
1783
|
| gptkbp:distance |
about 200 million light-years
|
| gptkbp:features |
gptkb:active_galactic_nucleus
|
| gptkbp:has_luminosity |
high luminosity in the optical spectrum
|
| gptkbp:has_spectral_type |
gptkb:Seyfert_1
|
| gptkbp:hosts |
part of the Virgo Cluster
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 5548
|
| gptkbp:lighting |
strong X-ray source
monitored for changes in brightness |
| gptkbp:mass |
approximately 10^7 solar masses
supermassive black hole at its center |
| gptkbp:notable_work |
studied for its variability in brightness
|
| gptkbp:redshift |
0.01717
|
| gptkbp:research |
observed in various wavelengths
|
| gptkbp:size |
approximately 1.5 arcminutes
|
| gptkbp:type |
gptkb:galaxy
|
| gptkbp:bfsParent |
gptkb:Hercules_constellation
|
| gptkbp:bfsLayer |
5
|