Proton aurora and substorm intensifications
Technical Report
·
OSTI ID:7181033
Ground based measurements from the CANOPUS array of meridian scanning photometers and precipitating ion and electron data from the DMSP F9 satellite show that the electron arc which brightens to initiate substorm intensifications is formed within a region of intense proton precipitation that is well equatorward (approximately four to six degrees) of the nightside open-closed field line boundary. The precipitating protons are from a population that is energized via earthward convection from the magnetotail into the dipolar region of the magnetosphere and may play an important role in the formation of the electron arcs leading to substorm intensifications on dipole-like field lines.
- Research Organization:
- Aerospace Corp., El Segundo, CA (United States)
- OSTI ID:
- 7181033
- Report Number(s):
- ATR-93(7248)-1; CNN: NAG5-1541; NSF ATM-90-17637; NSF ATM-90-16941
- Country of Publication:
- United States
- Language:
- English
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