Imperial College London

Dr Jonathan P. Eastwood

Faculty of Natural SciencesDepartment of Physics

Senior Lecturer
 
 
 
//

Contact

 

+44 (0)20 7594 8101jonathan.eastwood Website

 
 
//

Location

 

6M63Blackett LaboratorySouth Kensington Campus

//

Summary

 

Publications

Citation

BibTex format

@article{Schwartz:2018:10.1029/2018GL080189,
author = {Schwartz, SJ and Avanov, L and Turner, D and Zhang, H and Gingell, I and Eastwood, JP and Gershman, DJ and Johlander, A and Russell, CT and Burch, JL and Dorelli, JC and Eriksson, S and Ergun, RE and Fuselier, SA and Giles, BL and Goodrich, KA and Khotyaintsev, YV and Lavraud, B and Lindqvist, PA and Oka, M and Phan, TD and Strangeway, RJ and Trattner, KJ and Torbert, RB and Vaivads, A and Wei, H and Wilder, F},
doi = {10.1029/2018GL080189},
journal = {Geophysical Research Letters},
pages = {11520--11529},
title = {Ion kinetics in a hot flow anomaly: MMS observations},
url = {http://dx.doi.org/10.1029/2018GL080189},
volume = {45},
year = {2018}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - Hot Flow Anomalies (HFAs) are transients observed at planetary bow shocks, formed by the shock interaction with a convected interplanetary current sheet. The primary interpretation relies on reflected ions channeled upstream along the current sheet. The short duration of HFAs has made direct observations of this process difficult. We employ high resolution measurements by NASA's Magnetospheric Multiscale Mission to probe the ion microphysics within a HFA. Magnetospheric Multiscale Mission data reveal a smoothly varying internal density and pressure, which increase toward the trailing edge of the HFA, sweeping up particles trapped within the current sheet. We find remnants of reflected or other backstreaming ions traveling along the current sheet, but most of these are not fast enough to out-run the incident current sheet convection. Despite the high level of internal turbulence, incident and backstreaming ions appear to couple gyro-kinetically in a coherent manner.
AU - Schwartz,SJ
AU - Avanov,L
AU - Turner,D
AU - Zhang,H
AU - Gingell,I
AU - Eastwood,JP
AU - Gershman,DJ
AU - Johlander,A
AU - Russell,CT
AU - Burch,JL
AU - Dorelli,JC
AU - Eriksson,S
AU - Ergun,RE
AU - Fuselier,SA
AU - Giles,BL
AU - Goodrich,KA
AU - Khotyaintsev,YV
AU - Lavraud,B
AU - Lindqvist,PA
AU - Oka,M
AU - Phan,TD
AU - Strangeway,RJ
AU - Trattner,KJ
AU - Torbert,RB
AU - Vaivads,A
AU - Wei,H
AU - Wilder,F
DO - 10.1029/2018GL080189
EP - 11529
PY - 2018///
SN - 0094-8276
SP - 11520
TI - Ion kinetics in a hot flow anomaly: MMS observations
T2 - Geophysical Research Letters
UR - http://dx.doi.org/10.1029/2018GL080189
UR - http://hdl.handle.net/10044/1/64549
VL - 45
ER -