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Double Star Probe TC-1 measurements of microscopic Electron Dynamics near the Van Allen Radiation Belts

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posted on 2023-06-07, 19:10 authored by A M Buckley, K Yearby, T D Carozzi, M P Gough, H Alleyne
Intense kHz waves generated by electron cyclotron resonance are often observed by the STAFF instrument on the TC-1 Double Star spacecraft These electromagnetic waves with frequencies below fce are thought to be associated with the diffuse aurora together with higher frequency electrostatic electron cyclotron harmonic waves As part of the DWP instrumentation on board the Double Star Equator TC-1 spacecraft a particle correlator experiment operates which directly captures time series of electron counts provided by the PEACE HEEA sensor over the energy range from a few eV to 20 keV using high sampling frequencies 1 4 to 41 kHz One novelty of the DSP correlator is that in addition to producing summed Auto-Correlation Functions ACFs from these time series it also has the ability to transmit successive compressed time series of the actual electron counts individual time series being approximately of millisecond duration These time series reveal individual electrons being detected with separations of the order of tens of microseconds and hence retain the phase as well as frequency information for the interaction of the electrons with the waves Measurements are presented of the DSP TC-1 particle correlator data in conjunction with other DSP data for passes close to perigee which link wave emissions to microscopic bunching in the electron population

History

Publication status

  • Published

ISSN

1815-2619

Publisher

COSPAR ( Committee On Space Research)

Page range

3292

Presentation Type

  • paper

Event name

36th COSPAR Scientific Assembly, 16-23 July 2006

Event location

Beijing, China

Event type

conference

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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