Table 3

Comparison between the simulated signal given by the probe in vacuum with experimental signals acquired between 1 September 2014 and 4 September 2014 (about 3.4 AU from the Sun and 60 km from comet 67P).

(dB)

Mode (mV) Simulation Experiment
    
singleE1 0.30 15.58 16.74 ± 0.99
singleE2 0.48 19.64 18.68 ± 1.42
Phase 0.18 11.01 10.48 ± 1.20
Antiphase 0.78 23.87 23.77 ± 0.83

Notes. Theprobe operates with a half-level of emission (see text for details). Simulations were carried out with C1,2,3,4 = 0.12 pF and a distance of 15 cm between R2 and the end of the boom in order to take the influence of the Langmuir probe into account. The values corresponding to the full level of emission (see text for details) are reached by adding 6 dB to the values presented here.

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