Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000eaa..booke3680.&link_type=abstract
"Encyclopedia of Astronomy and Astrophysics, Edited by Paul Murdin, article 3680. Bristol: Institute of Physics Publishing, 2001
Astronomy and Astrophysics
Astronomy
History And Archaeoastronomy, Biographies
Scientific paper
Born in Erfurt, Germany, became professor in Potsdam where he developed astrophysics. During this time an 80 cm refracting telescope was installed in the observatory for photographic use. Its performance was disappointing, and Hartmann developed the method of testing optics today named after him. The Hartmann test consists of partly obscuring the lens with a Hartmann shutter, and revealing diffe...
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