Low-Energy Neutral-Atom Imager
To detect Energetic Neutral Atoms (ENA) imaging the outflow of low-energy ions from the polar ionosphere.
The instrument consists of a collimator, a conversion unit, an extraction lens, a dispersive energy analyzer, and time-of-flight mass analyzer with position-sensitive particle detection. It is specifically designed for looking at and in the direction of the sun. Energy range: 15-1250 eV. Mass range: 1-20 amu (from H+ to O+)
New development. Working in association with MENA for medium-energy and HENA for high-energy
Volumetric exploration of the magnetosphere as the satellite moves along a polar Highly Eliptical Orbit. Sampling: 8º x 8º x 12 sectors per spin: 360º x 90º in 45 x 12 samples
Coverage / Cycle
Flown on an R&D satellite
2000 to 2005-12-15
Satellites this instrument is flying on
Note: a red tag indicates satellites no longer operational, a
green tag indicates operational satellites, a blue tag indicates
Solar and space environment monitors Energetic particle spectrometer
No WIGOS subcomponents have been defined.
Tentative Evaluation of Measurements
The following list indicates which measurements can
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Variable Relevance for measuring this variable Operational limitations Explanation
Energetic Neutral Atom (ENA) 3 - high No specific limitation. Interplanetary space, low energy (over 10 up to 10000 eV)