Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26as..145..255l&link_type=abstract
Astronomy and Astrophysics Supplement, v.145, p.255-261
Astronomy and Astrophysics
Astrophysics
2
Minor Planets, Asteroids, Techniques: Photometric
Scientific paper
The asteroids 10 Hygiea, 241 Germania and 509 Iolanda have been studied photometrically. From their lightcurves, synodic periods of 27.63 +/- 0.02, 15.51 +/- 0.01 and 12.72 +/- 0.02 hours, and amplitudes of 0fm 28, 0fm 17 and 0fm 45, have been deduced for 10 Hygiea, 241 Germania and 509 Iolanda, respectively. The period found for 241 Germania is a significant revision from one previously published, and we present a first indication of pole orientation and shape. A synodic period is obtained for 509 Iolanda. The solution obtained for the sense of rotation, sidereal period, pole orientation and shape properties for 10 Hygiea confirms previous results.
Lopez-Gonzalez Maria José
Rodríguez Eduardo
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