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m half-power diameter as an unadded page. More information on this topic might be good but I don't have time |
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This formula, for light with a wavelength of about 562 nm, is also called the [[Dawes' limit]].
One unit for angular resolution in this case of Gaussian dispersion from astronomical seeing is the ''[[half-power diameter]]'', which is the angular diameter in which half of the power from a telescope is centered.<ref>{{Cite web |title=5. X-Ray Telescopes (XRTs) |url=https://www.astro.isas.jaxa.jp/suzaku/research/proposal/ao1_obsolete/astroe2_td/node8.html#SECTION00822000000000000000 |access-date=2025-07-09 |website=www.astro.isas.jaxa.jp}}</ref>
===Telescope array===
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