Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Dragon
|
| gptkbp:alsoKnownAs |
Einstein Cross
|
| gptkbp:apparentMagnitude |
17.4
|
| gptkbp:catalogueNumber |
PGC 69457
|
| gptkbp:declination |
+03° 21′ 29″
|
| gptkbp:discoveredBy |
gptkb:John_Huchra
|
| gptkbp:discoveredIn |
1985
|
| gptkbp:distanceFromEarth |
about 8 billion light-years
|
| gptkbp:features |
gravitational lensing
four lensed images |
| gptkbp:gravitationallyLensedBy |
foreground galaxy ZW 2237+030
|
| https://www.w3.org/2000/01/rdf-schema#label |
QSO 2237+0305
|
| gptkbp:locatedIn |
constellation Pegasus
|
| gptkbp:redshift |
1.695
|
| gptkbp:rightAscension |
22h 40m 30.3s
|
| gptkbp:type |
radio-quiet quasar
|
| gptkbp:bfsParent |
gptkb:Einstein_cross
|
| gptkbp:bfsLayer |
7
|