Dawes' limit

\ ˈdȯz(ə̇z)- \

Definition of Dawes' limit

: an approximate value of the resolving power of a telescope based on the theoretical size of the spurious disk being equal in seconds of arc to 4.56 divided by the aperture of the telescope expressed in inches

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History and Etymology for Dawes' limit

after William R. Dawes †1868 English astronomer

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Cite this Entry

“Dawes' limit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Dawes%27%20limit. Accessed 20 Sep. 2020.

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