Einstein Ring Gravitational Lens (SDSS J232120.93-093910.2)
Redshift (foreground object): 0.0819, Redshift (background object): 0.5324
8 arcseconds wide
The Hubble image was created from HST data from proposal 10174. Members of the SLACS team include: A. Bolton (Harvard-Smithsonian CfA), S. Burles (Massachusetts Institute of Technology), L. Koopmans (Kapteyn Astronomical Institute), T. Treu (University of California - Santa Barbara), and L. Moustakas (Jet Propulsion Lab/Caltech).
F435W (B) and F814W (I)
Blue: F435W (B)
Orange: F814W (I)