Interplanetary Shocks between 0.3 and 1.0 au: Helios 1 and 2 Observations

The Helios 1 (H1) and Helios 2 (H2) spacecraft measured the solar winds at a distance between ∼0.3 and 1.0 au from the Sun. With increasing heliocentric distance ( r h ), the plasma speed is found to increase at ∼34–40 km s −1 au −1 and the density exhibits a sharper fall ( r h − 2 ) compared to the...

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Veröffentlicht in:	The Astrophysical journal 2023-07, Vol.951 (1), p.75
Hauptverfasser:	Hajra, Rajkumar, Tsurutani, Bruce T., Lakhina, Gurbax S., Lu, Quanming, Du, Aimin, Shan, Lican
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Compression ratio Coronal mass ejection Corotating Interaction Regions (CIR) Corotating streams Interplanetary discontinuities Interplanetary medium Interplanetary shocks Mach number Magnetic fields Plasma compression Solar coronal mass ejections Solar magnetic field Solar wind Spacecraft
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