I How Many Einstein Rings Have Been Discovered?

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    Einstein Rings
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Several hundred candidate Einstein rings, or galaxies lensed by gravity, have been identified, although a precise count is not readily available. Gravitational lensing remains a relatively rare phenomenon in astronomy. The OGLE (Optical Gravitational Lensing Experiment) project has cataloged the majority of these lensing events. For more detailed information, the OGLE website provides extensive resources. Overall, while many candidates exist, a definitive number of confirmed Einstein rings is still uncertain.
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How many Einstein rings have been found to date, i mean galaxies lensed by gravity?
 
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wolram said:
How many Einstein rings have been found to date, i mean galaxies lensed by gravity?
So many, I think, that I seriously doubt anyone has bothered to count them.
 
Gravitational lensing is a relatively rare phenomenon, but, several hundred candidate lensing events have been identified to date. The OGLE [Optical Gravitational Lensing Experiment] project has probably catalogued the majority of candidate events identified to date. See http://ogle.astrouw.edu.pl/ for further details.
 

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