In situ observations of interstellar pickup ions from 1 au to the outer heliosphere

EJ Zirnstein, E Möbius, M Zhang, J Bower… - Space Science …, 2022 - Springer
Interstellar pickup ions are an ubiquitous and thermodynamically important component of
the solar wind plasma in the heliosphere. These PUIs are born from the ionization of the …

Field‐aligned beam observations at the quasi‐perpendicular bow shock: Generation and shock angle dependence

M Oka, T Terasawa, Y Saito… - Journal of Geophysical …, 2005 - Wiley Online Library
On 19 October 1995 the Geotail satellite skimmed along the quasi‐perpendicular bow shock
for more than 3 hours, and field‐aligned ion beams (FABs) were continuously observed in …

Distribution of escaping ions produced by non‐specular reflection at the stationary quasi‐perpendicular shock front

M Gedalin, M Liverts, MA Balikhin - Journal of Geophysical …, 2008 - Wiley Online Library
Field‐aligned and gyrophase bunched ion beams are observed in the foreshock of the Earth
bow shock. One of the mechanisms proposed for their production is non‐specular reflection …

Discovery of Suprathermal Ionospheric Origin Fe+ in and Near Earth's Magnetosphere

SP Christon, DC Hamilton, JMC Plane… - Journal of …, 2017 - Wiley Online Library
Abstract Suprathermal (87–212 keV/e) singly charged iron, Fe+, has been discovered in and
near Earth's~ 9–30 RE equatorial magnetosphere using~ 21 years of Geotail STICS …

Acceleration of Interstellar Pickup He+ at Earth's Perpendicular Bow Shock

MJ Starkey, SA Fuselier, MI Desai… - Geophysical …, 2019 - Wiley Online Library
Abstract On 05 December 2015 the Magnetospheric MultiScale constellation observed
interstellar pickup ion distributions during an inbound crossing of Earth's perpendicular bow …

The role of cross-shock potential on pickup ion shock acceleration in the framework of focused transport theory

P Zuo, M Zhang, HK Rassoul - The Astrophysical Journal, 2013 - iopscience.iop.org
The focused transport theory is appropriate to describe the injection and acceleration of low-
energy particles at shocks as an extension of diffusive shock acceleration (DSA). In this …

MMS Observations of Energized He+ Pickup Ions at Quasiperpendicular Shocks

MJ Starkey, SA Fuselier, MI Desai… - The Astrophysical …, 2021 - iopscience.iop.org
Abstract Accelerated He+ pickup ions (PUIs) downstream of quasiperpendicular shocks are
studied as a function of the fast-mode Mach number (M f) and shock obliquity (θ Bn). We …

Contributions to the cross shock electric field at supercritical perpendicular shocks: impact of the pickup ions

Z Yang, D Han, H Yang, H Hu, B Zhang… - Astrophysics and Space …, 2012 - Springer
A particle-in-cell code is used to examine contributions of the pickup ions (PIs) and the solar
wind ions (SWs) to the cross shock electric field at the supercritical, perpendicular shocks …

MMS observations of accelerated interstellar pickup He+ ions at an interplanetary shock

M Starkey, SA Fuselier, MI Desai… - The Astrophysical …, 2020 - iopscience.iop.org
Interstellar pickup ions (PUI) are interstellar neutrals that have been ionized in transit
through the heliosphere via charge exchange or photoionization. These new PUIs then" …

Latitudinal variation of the solar He I 58.4 nm irradiance from the optical observation of the interplanetary He I emission

A Yamazaki, I Yoshikawa, K Shiomi… - Journal of …, 2006 - Wiley Online Library
The Extreme Ultraviolet (XUV) scanner on board the Planet‐B spacecraft observed the He I
58.4‐nm emission of the local interstellar gas in interplanetary space during solar maximum …