Other
Scientific paper
Sep 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979msngr..18...24e&link_type=abstract
ESO Messenger, Sept. 1979, p. 24-27.
Other
2
Astronomical Photography, Holography, Interferometry, Speckle Patterns, Telescopes, Astronomical Observatories, Binary Stars, Image Resolution
Scientific paper
Recent work at the European Southern Observatory at La Silla using speckle interferometry or speckle holography to evaluate short-exposure astronomical photographs and thus attain the diffraction-limited resolution of the 3.6- and 1.5-m telescopes is reviewed. Speckle interferometry of the close spectroscopic binary Epsilon Hya, the close binary Zeta Aqr A-C, the faint binaries ADS 1865 and D + 14.696 (magnitudes 9.4/9.6 and 9.5/10.4, respectively) and with a mask simulating a multiple mirror telescope is described. An application of speckle holography, in which an actual image is reconstructed from a speckle interferogram using a neighboring star as a deconvolution key, to the reconstruction of an image of Zeta Cnc A-B is reported, and measurements of other binaries, stars and nebulae are indicated.
Ebersberger J.
Weigelt Gerd
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