Dawes' Limit

Details Dawes' Limit Dawes' Limit

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000eaa..booke4788.&link_type=abstract

"Encyclopedia of Astronomy and Astrophysics, Edited by Paul Murdin, article 4788. Bristol: Institute of Physics Publishing, 2001

Astronomy and Astrophysics

Astrophysics

Instrumentation And Observational Techniques, Astronomical Instrumentation

Scientific paper

An empirical measure of the resolving power of a telescope that was devised by William Rutter Dawes (1799-1868), a keen-eyed observer of double stars. According to the Dawes' criterion, the resolving power of a telescope is given by R=0.115/D, where R denotes resolving power expressed in seconds of arc and D denotes the aperture of the telescope (in meters). For example, the Dawes' limit for a te...

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