| HE0435-1223 | |
|---|---|
.jpg) HE0435-1223 (center), as imaged by the Hubble Space Telescope | |
| Observation data (Epoch J2000) | |
| Constellation | Eridanus |
| Right ascension | 04h 38m 14.88s |
| Declination | −12° 17′ 14.6″ |
| Redshift | ~17.71 |
| Distance | 2.33 billion ly |
| Type | Einstein cross |
| See also: Quasar, List of quasars | |
HE0435-1223 is a quadruple-lensed quasar and rare Einstein Cross located in the constellation Eridanus[1] at a distance of approximately 2.33 billion light years away from Earth.[2] HE 0435-1223 was discovered in October 2008 by astronomer Patrick Foley during a study and search for gravitational quadruple lenses in deep sky objects.[3]
- ^ "Stellarium Web Online Star Map". stellarium-web.org. Retrieved 2024-07-22.
- ^ "Convert Red Shift (z) to Light Year , Astronomical". www.convert-me.com. Retrieved 2024-07-22.
- ^ Williams, Liliya L. R.; Foley, Patrick; Farnsworth, Damon; Belter, Jason (2008-10-01). "Lensed Image Angles: New Statistical Evidence for Substructure". The Astrophysical Journal. 685 (2): 725–738. arXiv:0806.2823. Bibcode:2008ApJ...685..725W. doi:10.1086/591227. ISSN 0004-637X.