Hot flow anomaly observed at Jupiter's bow shock: Hot Flow Anomaly Observed at Jupiter

P. W. Valek; M. F. Thomsen; F. Allegrini; F. Bagenal; S. Bolton; J. Connerney; R. W. Ebert; R. Gladstone; W. S. Kurth; S. Levin; P. Louarn; B. Mauk; D. J. McComas; C. Pollock; M. Reno; J. R. Szalay; S. Weidner; R. J. Wilson

doi:10.1002/2017GL073175

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Hot flow anomaly observed at Jupiter's bow shock: Hot Flow Anomaly Observed at Jupiter

Journal article

Peer reviewed

Hot flow anomaly observed at Jupiter's bow shock: Hot Flow Anomaly Observed at Jupiter

P. W. Valek, M. F. Thomsen, F. Allegrini, F. Bagenal, S. Bolton, J. Connerney, R. W. Ebert, R. Gladstone, W. S. Kurth, S. Levin, …

Geophysical research letters, Vol.44(16), pp.8107-8112

08/28/2017

DOI: 10.1002/2017GL073175

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Abstract

A Hot Flow Anomaly (HFA) is created when an interplanetary current sheet interacts with a planetary bow shock. Previous studies have reported observing HFAs at Earth, Mercury, Venus, Mars, and Saturn. During Juno's approach to Jupiter, a number of its instruments operated in the solar wind. Prior to crossing into Jupiter's magnetosphere, Juno observed an HFA at Jupiter for the first time. This Jovian HFA shares most of the characteristics of HFAs seen at other planets. The notable exception is that the Jovian HFA is significantly larger than any HFA seen before. With an apparent size greater than 2 × 106 km the Jovian HFA is orders of magnitude larger than those seen at the other planets. By comparing the size of the HFAs at the other planets with the Jovian HFA, we conclude that HFAs size scales with the size of planetary bow shocks that the interplanetary current sheet interacts with.

Details

Title: Subtitle: Hot flow anomaly observed at Jupiter's bow shock: Hot Flow Anomaly Observed at Jupiter
Creators: P. W. Valek - Southwest Research Institute
M. F. Thomsen - Planetary Science Institute
F. Allegrini - Southwest Research Institute
F. Bagenal - Laboratory for Atmospheric and Space Physics
S. Bolton - Southwest Research Institute
J. Connerney
R. W. Ebert - Southwest Research Institute
R. Gladstone
W. S. Kurth - University of Iowa
S. Levin - Jet Propulsion Laboratory
P. Louarn - Université Fédérale de Toulouse Midi-Pyrénées
B. Mauk - Johns Hopkins University Applied Physics Laboratory
D. J. McComas - Southwest Research Institute
C. Pollock
M. Reno - Southwest Research Institute
J. R. Szalay - Southwest Research Institute
S. Weidner - Princeton Plasma Physics Laboratory
R. J. Wilson - Laboratory for Atmospheric and Space Physics
Resource Type: Journal article
Publication Details: Geophysical research letters, Vol.44(16), pp.8107-8112
DOI: 10.1002/2017GL073175
ISSN: 0094-8276
eISSN: 1944-8007
Language: English
Date published: 08/28/2017
Academic Unit: Physics and Astronomy
Record Identifier: 9984455281702771

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