What is the minimum width and height Of Facebook Open Graph Images?

Question

I had read that images associated with a given URL in the Facebook open graph had to be greater than 50 x 50

However, when we ran the Facebook Object debugger - we g

Answer 1

If you even informing an image larger than 200x200 (as new documentation) the Debuger still accuse the image is not big enough, the solution is to add the meta tag below with the image dimensions:

Example: