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Table 2 Specifications of the MSA ion energy mass spectrometer

From: In situ observations of ions and magnetic field around Phobos: the mass spectrum analyzer (MSA) for the Martian Moons eXploration (MMX) mission

Parameters

Value

Notes

Energy range

~ 5 to ~ 30 k eV/q

 

 Energy resolution

~ 10%

\(\Delta E/E\) (FWHM)

FOV range

\(\ge 2\pi\) sr

 

 FOV resolution

22.5\(^\circ \times\) 12.25\(^\circ\) per channel

FWHM

Mass range

1–100 amu

 

 Mass resolution

\(> 100\)

\(m/\Delta m\)(FWHM)

Geometric factor

\(\ge\) 10-4 cm2 sr eV/eV per channel

Calculated in the numerical model