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Fig. 5


Normalised counts of He and H components of the interstellar wind are measured at different day-of-year (DOY) in Earth’s orbit. In the measurement panel, data from the first two spring passes of IBEX in 2009 and 2010 are shown (from Saul et al. 2012). In the lower part, predictions for the expected D signal are shown for the sputtered D (terrestrial D in energy bin 1 to 3) and interstellar D in energy bin 3. The time intervals are also indicated, which group the orbits (interval 1 to interval 5).

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