Results 111 to 120 of about 9,470 (226)

Variations of Heavy Ions in Interplanetary Shock Driven by Interplanetary Coronal Mass Ejections and Stream Interaction Regions

The Astrophysical Journal Supplement Series
In the solar wind, the fluctuation of heavy ion abundance serves as a crucial physical metric. This not only mirrors the attributes of the solar wind’s originating solar region but also signifies its influence on Earth’s magnetosphere.
Cong Wang, Qian Ye, Mu Li, Fei He, Xiaoxin Zhang   +4 more
doaj   +1 more source

Modification of the Power Spectral Density of Magnetic Field Fluctuations by Quasi-perpendicular Interplanetary Shocks

The Astrophysical Journal Letters
We investigate the role of interplanetary (IP) shocks in solar wind turbulence using observations of Solar Orbiter, Parker Solar Probe, and Wind. Employing statistical analysis of quasi-perpendicular fast forward (FF) and fast reverse (FR) shocks, we ...
Byeongseon Park, Alexander Pitňa, Jana Šafránková, Zdeněk Němeček   +3 more
doaj   +1 more source

Parker Solar Probe Observations of Turbulence and Waves between a Current Sheet and an Interplanetary Coronal Mass Ejection–Driven Shock

The Astrophysical Journal
We report on unusual magnetic wave activity seen in a region between the crossing of a current sheet and an interplanetary shock by the Parker Solar Probe (PSP).
Juan Zhang, Joe Giacalone, Xiaohang Chen, Lan K. Jian, Kristopher G. Klein   +4 more
doaj   +1 more source

Formation of H+ PUI Tails Downstream of Distant Interplanetary Shocks

The Astrophysical Journal
New Horizons’ Solar Wind Around Pluto (SWAP) instrument has observed interplanetary shocks from ∼20 to 60 au from the Sun. Different studies have analyzed the effects of these shocks on the solar wind ion (SWI) and interstellar pickup ion (PUI ...
E. J. Zirnstein, D. J. McComas, B. L. Shrestha, H. A. Elliott, P. C. Brandt, S. A. Stern, A. R. Poppe, J. Parker, E. Provornikova, K. Singer, A. Verbiscer, New Horizons Heliophysics Team   +11 more
doaj   +1 more source

GeV Particle Acceleration in Solar Flares and Ground Level Enhancement (GLE) Events

, 2011
{\sl Ground Level Enhancement (GLE)} events represent the largest class of {\sl solar energetic particle (SEP)} events that require acceleration processes to produce $\gapprox 1$ GeV ions in order to produce showers of secondary particles in the Earth's ...
Aschwanden, Markus J.
core   +1 more source

Similarities and Differences between ICME-driven Shocks Observed by VEX (∼0.72 au) and WIND (∼1.0 au)

The Astrophysical Journal
The features of interplanetary shocks driven by interplanetary coronal mass ejections (ICMEs) observed by WIND (∼1.0 au) and Venus Express (VEX; ∼0.72 au) during the same period are statistically analyzed by comparing their similarities and differences ...
Mengsi Ruan, Pingbing Zuo, Zilu Zhou, Jiayun Wei, Xueshang Feng, Yi Wang, Qi Xu, Xiaojun Xu, Zhengyang Zou, Zhenning Shen   +9 more
doaj   +1 more source

Testing the Empirical Shock Arrival Model using Quadrature Observations

, 2013
The empirical shock arrival (ESA) model was developed based on quadrature data from Helios (in-situ) and P-78 (remote-sensing) to predict the Sun-Earth travel time of coronal mass ejections (CMEs) [Gopalswamy et al. 2005a].
Gopalswamy, N., Mäkelä, P., Xie, H., Yashiro, S.   +3 more
core   +1 more source

Different types of ion populations upstream of the 8 October 2013 interplanetary shock

, 2017
We show for the first time that different types of suprathermal ion distributions may exist upstream of a single interplanetary shock. ACE and the two ARTEMIS satellites observed a shock on 8 October 2013.
Cano, Xochitl Blanco, Hietala, Heli, Kajdic, Primoz   +2 more
core   +1 more source

Magnetohydrodynamic Simulation of the Interaction between Interplanetary Strong Shock and Magnetic Cloud and its Consequent Geoeffectiveness

, 2006
Numerical studies have been performed to interpret the observed "shock overtaking magnetic cloud (MC)" event by a 2.5 dimensional magnetohydrodynamic (MHD) model in heliospheric meridional plane.
Berdichevsky, Burlaga, Burlaga, Burlaga, Burton, Cane, Cho, Cliver, Dryer, Dryer, Dryer, Dryer, Farrugia, Fry, Fry, Fry, Fry, Goldstein, Gonzalez-Esparza, Gosling, Gosling, Gosling, Groth, Harten, Hu, Hu, Hu, Huinan Zheng, Intriligator, Jeffrey, Klein, Kumar, Larson, Lugaz, Lundquist, Manchester, Manchester, McKenna-Lawlor, McKenna-Lawlor, Ming Xiong, Odstrčil, Odstrčil, Odstrčil, Odstrčil, Osherovich, Osherovich, Osherovich, Osherovich, Powell, Raouafi, Ryu, Schmidt, Shu, Shui Wang, Skoug, Smart, Smith, Svestka, Vandas, Vandas, Vandas, Vandas, Vandas, Vandas, Vandas, Vandas, Vandas, Vandas, Vassiliadis, Wang, Wang, Wang, Wang, Wang, Watanabe, Webb, Winterhalter, Yuming Wang, Zhang   +78 more
core   +1 more source

Ion Acoustic Wave Observations Near Low-Mach Reverse Shocks

The Astrophysical Journal
Interactions between particles and ion acoustic waves (IAWs) are considered a potential energy dissipation mechanism in low-Mach number shocks, particularly in forward shocks. However, their role in reverse shocks remains unclear.
Xianghan Wang, Zhigang Yuan, Xiongdong Yu, Hui Huang   +3 more
doaj   +1 more source