Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Dragon
gravitationally lensed quasar |
| gptkbp:alternativeName |
QSO B1115+080
SDSS J1118+2807 |
| gptkbp:apparentMagnitude |
16.1
|
| gptkbp:discoveredBy |
gptkb:Palomar-Green_survey
|
| gptkbp:hasEinsteinRing |
yes
|
| gptkbp:hasLensedImages |
4
|
| gptkbp:hasTimeDelayBetweenImages |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
PG 1115+280
|
| gptkbp:isLensedBy |
foreground galaxy
|
| gptkbp:lensingGalaxyRedshift |
0.31
|
| gptkbp:locatedIn |
constellation Leo
|
| gptkbp:redshift |
1.722
|
| gptkbp:spectralType |
gptkb:QSO
|
| gptkbp:usedFor |
measuring Hubble constant
|
| gptkbp:bfsParent |
gptkb:BD+28_2292
|
| gptkbp:bfsLayer |
8
|