Near-infrared Brightness of the Galilean Satellites Eclipsed in Jovian Shadow: A New Technique to Investigate Jovian Upper Atmosphere

K. Tsumura, K. Arimatsu, E. Egami +12

We have discovered that Europa, Ganymede and Callisto are bright around 1.5 μm even when not directly lit by sunlight, based on observations from the Hubble Space Telescope and the…