NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Magnetosheath bursts of predominantly medium nuclei observed with Imp 8 on February 16, 1974This paper presents observations made with detectors aboard Imp 8 of a unique series of charged particle bursts that occurred on February 16, 1974, while the spacecraft was traversing the dawn magnetosheath region. This event was unlike any other observation of Imp 7 and 8 in 5.5 years of operation in orbit. The measurements are most directly interpreted as an intense (6000/(sq cm s sr MeV/nucleon)), highly collimated beam flowing in the antisolar direction composed of medium (carbon, nitrogen, or oxygen) nuclei. Both the degree of collimation in arrival direction and the composition are unique to this event. The event is possibly an important signature of terrestrial O(+) ions escaping from the magnetosphere.
Document ID
19790031421
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Armstrong, T. P.
(Kansas, University Lawrence, Kan., United States)
Krimigis, S. M.
(Johns Hopkins University Applied Physics Laboratory, Laurel, Md., United States)
Lepping, R. P.
(NASA Goddard Space Flight Center Greenbelt, Md., United States)
Date Acquired
August 9, 2013
Publication Date
November 1, 1978
Publication Information
Publication: Journal of Geophysical Research
Volume: 83
Subject Category
Geophysics
Accession Number
79A15434
Funding Number(s)
CONTRACT_GRANT: N00017-72-C-4401
CONTRACT_GRANT: NASA TASK I
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available