Descamps, P Franck Marchis Michalowski, T Colas, F Berthier, J Vachier, F Teng-Chuen-Yu, J-P Peyrot, A Payet, B Dorseuil, J
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Published in
Icarus
We present a set of rotational lightcurve measurements of the small main belt Asteroid 3169 Ostro. Our observations reveal an unambiguous, double-peaked rotational lightcurve with a peak-to-peak variation up to 1.2±0.05 mag and a synodic period of 6.509±0.001 h. From the large flux variation and the overall shape of the lightcurves, we suggest that...
Hedman, M M Cooper, N J Murray, C D Beurle, K Evans, M W Matthew Tiscareno Burns, J A
Published in
Icarus
Aegaeon (Saturn LIII, S/2008 S1) is a small satellite of Saturn that orbits within a bright arc of material near the inner edge of Saturn s G-ring. This object was observed in 21 images with Cassini s Narrow-Angle Camera between June 15 (DOY 166), 2007 and February 20 (DOY 051), 2009. If Aegaeon has similar surface scattering properties as other ne...
Franck Marchis Prangé, Renée Christou, Julian
Published in
Icarus
Two opposite hemispheres of Io were observed on October 20 and 21, 1996, through an L′ broadband filter, using the high-resolution capability of the Adaptive Optics (AO) system implemented on the ESO 3.6-m telescope at La Silla, Chile. These observations, performed at thermal wavelengths when Io is in daylight, have been carefully processed to impr...