Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:cataloguedIn |
gptkb:Simbad
gptkb:NASA/IPAC_Extragalactic_Database |
| gptkbp:centralEngine |
black hole
|
| gptkbp:characterizedBy |
featureless optical spectra
rapid variability strong polarization |
| gptkbp:discoveredBy |
gptkb:Edward_A._Fath
1929 |
| gptkbp:emits |
gptkb:X-rays
gptkb:gamma_rays gptkb:radio_waves |
| gptkbp:hostedBy |
gptkb:galaxy
|
| https://www.w3.org/2000/01/rdf-schema#label |
BL Lacertae object
|
| gptkbp:jetOrientation |
close to line of sight
|
| gptkbp:namedAfter |
gptkb:BL_Lacertae
|
| gptkbp:observedBy |
optical wavelengths
X-ray wavelengths gamma-ray wavelengths radio wavelengths |
| gptkbp:redshift |
0.03 to 1.5
|
| gptkbp:relatedTo |
gptkb:Dragon
gptkb:galaxy active galactic nucleus |
| gptkbp:subclassOf |
gptkb:blazar
active galactic nucleus |
| gptkbp:bfsParent |
gptkb:blazar
|
| gptkbp:bfsLayer |
5
|