Astronomy and Astrophysics – Astronomy
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...121..137b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 121, no. 1, May 1983, p. 137-141. Research supported by the Deutsche Forschung
Astronomy and Astrophysics
Astronomy
35
Amphitrite Asteroid, Asteroids, Interferometry, Speckle Patterns, Autocorrelation, Cameras, Diameters, Digital Techniques, Ellipses, Image Processing, Power Spectra, Asteroids, Juno, Amphitrite, Interferometry, Remote Sensing, Diagrams, Image Processing, Computer Techniques, Astronomy, Observations, Shapes, Speckle Imaging, Diameters, Equipment, Procedure
Scientific paper
Digital speckle interferometry of the asteroids Juno and Amphitrite has been performed. The speckle interferograms were recorded with the Danish 1.5 m telescope at the European Southern Observatory. The measurements show that both asteroids have elliptical shapes. The diameters of Juno were measured to be 230 km + or - 20 km (0.26 arcsec), and 288 km + or - 20 km (0.32 arcsec) on December 24, 1979, at 6 h 10 min UT, and the diameters of Amphitrite were 160 km + or - 30 km (0.11 arcsec) and 255 km + or - 30 km (0.17 arcsec) on April 4, 1981, at 8 h 30 min UT.
Baier Gerold
Weigelt Gerd
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