Figure 1
DISCO energy spectrum in the APEX branch at the entrance of the APSIS set-up (blue dashed line) and solar spectrum at the top of Titan's atmosphere (blue full line). Photoabsorption cross sections of methane (red dashed line) and molecular nitrogen (red full line) [adapted from Gans et al. (2013)]. The transparency limit of the fluoride windows is indicated by the vertical line at 110 nm. |