Imperial College London
Alternate

ProfessorMicheleDougherty

Faculty of Natural Sciences, Department of Physics

Head of Department of Physics, Professor of Space Physics
 
 
 
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Contact

 

+44 (0)20 7594 7770m.dougherty Website

 
 
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Assistant

 

Ms Lida Mnatsakanian +44 (0)20 7594 7503

 
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Location

 

Blackett 900aBlackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Jackman:2015:10.1002/2015JA020995,
author = {Jackman, CM and Thomsen, MF and Mitchell, DG and Sergis, N and Arridge, CS and Felici, M and Badman, SV and Paranicas, C and Jia, X and Hospodarksy, GB and Andriopoulou, M and Khurana, KK and Smith, AW and Dougherty, MK},
doi = {10.1002/2015JA020995},
journal = {Journal of Geophysical Research: Space Physics},
pages = {3603--3617},
title = {Field dipolarization in Saturn's magnetotail with planetward ion flows and energetic particle flow bursts: Evidence of quasi-steady reconnection},
url = {http://dx.doi.org/10.1002/2015JA020995},
volume = {120},
year = {2015}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We present a case study of an event from 20 August (day 232) of 2006, when the Cassini spacecraft was sampling the region near 32 RS and 22 h LT in Saturn's magnetotail. Cassini observed a strong northward-to-southward turning of the magnetic field, which is interpreted as the signature of dipolarization of the field as seen by the spacecraft planetward of the reconnection X line. This event was accompanied by very rapid (up to ~1500 km s−1) thermal plasma flow toward the planet. At energies above 28 keV, energetic hydrogen and oxygen ion flow bursts were observed to stream planetward from a reconnection site downtail of the spacecraft. Meanwhile, a strong field-aligned beam of energetic hydrogen was also observed to stream tailward, likely from an ionospheric source. Saturn kilometric radiation emissions were stimulated shortly after the observation of the dipolarization. We discuss the field, plasma, energetic particle, and radio observations in the context of the impact this reconnection event had on global magnetospheric dynamics.
AU  - Jackman,CM
AU  - Thomsen,MF
AU  - Mitchell,DG
AU  - Sergis,N
AU  - Arridge,CS
AU  - Felici,M
AU  - Badman,SV
AU  - Paranicas,C
AU  - Jia,X
AU  - Hospodarksy,GB
AU  - Andriopoulou,M
AU  - Khurana,KK
AU  - Smith,AW
AU  - Dougherty,MK
DO  - 10.1002/2015JA020995
EP  - 3617
PY  - 2015///
SN  - 2169-9402
SP  - 3603
TI  - Field dipolarization in Saturn's magnetotail with planetward ion flows and energetic particle flow bursts: Evidence of quasi-steady reconnection
T2  - Journal of Geophysical Research: Space Physics
UR  - http://dx.doi.org/10.1002/2015JA020995
UR  - http://hdl.handle.net/10044/1/41800
VL  - 120
ER  -
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