A numerical study of instabilities producing auroral broadband electrostatic bursts

Details A numerical study of instabilities producing auroral broadband electrostatic bursts A numerical study of instabilities producing auroral broadband electrostatic bursts

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993angeo..11..711m&link_type=abstract

Annales Geophysicae (ISSN 0992-7689), vol. 11, no. 8, p. 711-716.

Computer Science

Sound

1

Auroral Zones, Electrostatic Waves, Magnetohydrodynamic Stability, Satellite Sounding, Angular Distribution, Broadband, Electromagnetic Noise

Scientific paper

Intense broadband electrostatic noise (BEN) has been observed on many occasions by the VIKING satellite in dayside as well as in nightside auroral zones, correlated with multiple energetic electron beams registered by onboard particle analyzers. Using a modified version of the WHAMP program, we conduct a numerical study of the linear dispersion properties of waves in such a plasma. The results show that many BEN features, such as its extension well above f(pe) (in the case when gyrofrequency is larger than plasma frequency), its relatively isotropic angular distribution, and the large amplitude of waves in the low-frequency range of the analyzer, might be explained, at least partially, by linear interaction between low-temperature high-directed velocity beams and a higher density cold-cool background plasma.

Affiliated with

Also associated with

No associations

Rating

A numerical study of instabilities producing auroral broadband electrostatic bursts does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A numerical study of instabilities producing auroral broadband electrostatic bursts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A numerical study of instabilities producing auroral broadband electrostatic bursts will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1490932