Search Publications

Titania's radius and an upper limit on its atmosphere from the September 8, 2001 stellar occultation

Sutherland, W.; Colas, F.; Lellouch, E. +150 more

On September 8, 2001 around 2 h UT, the largest uranian moon, Titania, occulted Hipparcos star 106829 (alias SAO 164538, a V=7.2, K0 III star). This was the first-ever observed occultation by this satellite, a rare event as Titania subtends only 0.11 arcsec on the sky. The star's unusual brightness allowed many observers, both amateurs or professi…