{\displaystyle \alpha } The Angular resolution formula: = 1.22*/d. $.getScript('/s/js/3/uv.js'); (Please keep in mind this is just a hypothetical example. 0000007665 00000 n One circle takes up 360 and 2 rad, so 1 rad = 360/2 = 57.3. For angular resolution in graph drawing, see, "Rayleigh criterion" redirects here. To determine the angular resolution, we use the Rayleigh criterion. The Very Large Telescope Interferometer is one of the most proficient observatories in the world for high angular resolution. %%EOF This calculator computes the diffraction-limited angular resolution of an optical system, such as a telescope or the human eye. Although many solar system objects are larger than the Moon,. Sources larger than the angular resolution are called extended sources or diffuse sources, and smaller sources are called point sources. Poorly-made telescopes may have their resolution further reduced by under-corrected aberrations, but the diffraction limit is set by the laws of physics. window.jQuery || document.write('