Publication Date:
2019-08-28
Description:
In January 1990, the Long Duration Exposure Facility (LDEF) spacecraft was retrieved after nearly 6 years in space in a 28.4 deg orbit at a mean altitude of 476 km. Onboard LDEF was NRL's Heavy Ions In Space (HIIS) experiment, comprising large thick stacks of plastic track detectors with a total collecting power of 2.0 sq m-sr. We report preliminary results on the observation of stopping Fe-group ions at energies far below the geomagnetic cutoff for fully-ionized galactic cosmic rays.
Keywords:
SPACE RADIATION
Type:
Advances in Space Research (ISSN 0273-1177); 15; 1; p. (1)57-(1)60
Format:
text