Solar wind
The statistical dependence of auroral absorption on geomagnetic and solar wind parameters
... Understanding the variation of High Frequency (HF) radio absorption in the auroral zone is of great importance for de- termining HF radio propagation conditions. Linking the ab- sorption to parameters measured in real ...
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Empirically modelled Pc3 activity based on solar wind parameters
... Dayside Pc3 (22–100 mHz) geomagnetic pulsations are con- sidered to be the ground counterpart of the so-called 30 s up- stream waves (UWs) regularly observed in the Earth’s fore- shock. These ultra low frequency (ULF) ...
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Limits on the core temperature anisotropy of solar wind protons
... Fig. 2. Two-dimensional histogram of the solar wind proton anisotropy as measured within two radial distance ranges, R≤0.4 AU (left frame) and R>0.4 AU (right frame). The core temperature anisotropy, ...
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The solar wind at solar maximum: comparisons of EISCAT IPS and in situ observations
... the solar wind have been carried out in the past, us- ing both measurements of IPS (Behannon et ...of solar wind with different velocities was very ...to solar minimum (Grall et ...at ...
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Alfvénic fluctuations in "newborn"' polar solar wind
... the solar wind is strongly de- pendent upon the Sun’s activity ...low solar activity a bimodal structure is dominant, with a fast and uniform flow at the high latitudes, and slow and variable flows ...
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Modeling of short scale turbulence in the solar wind
... The solar wind serves as a laboratory for inves- tigating magnetohydrodynamic turbulence under conditions irreproducible on the terra ...observed solar wind magnetic fluctuation spectrum – the ...
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How did the solar wind structure change around the solar maximum? From interplanetary scintillation observation
... of solar wind near solar maximum is much more complex than at solar mini- ...after solar maximum, Ulysses observed a po- lar coronal hole (high speed) plasma with magnetic polarity of ...
5
Additional acceleration of solar-wind particles in current sheets of the heliosphere
... fast solar wind in the vicinity of the heliospheric current sheet (HCS) or in a front of interplan- etary coronal mass ejections (ICMEs) often reveal very pe- culiar energy or velocity profiles, density ...
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Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor
... the solar wind, in such a way that the altitude increases when the flux ...is solar wind charged particles precipitating into the Martian ...the solar wind control on the Martian ...
5
A case study of dayside reconnection under extremely low solar wind density conditions
... standard solar wind conditions with ISEE spacecraft at similar latitudes: 10– 80 km/s for the magnetopause velocity and 400–1000 km for the magnetopause thickness (Berchem and Russel, ...nominal ...
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Dawn-dusk asymmetry in particles of solar wind origin within the magnetosphere
... to solar wind condi- tions we use data from the WIND ...the WIND spacecraft in this interval takes it from the nightside magnetosphere to the L1 libration point, though it spends most of its ...
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Magnetosheath waves under very low solar wind dynamic pressure: Wind/Geotail observations
... ward, sunward, duskward and tailward, respectively, and ion fluxes of solar wind origin. Judging from the behavior of the proton density, temperature, and magnetic field strength and the spectral ...
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<I>a<sub>p</sub></I>-index solar wind driving function and its semiannual variations
... 2003) is ∼4 nT and consists of ∼2.1–2.3 nT of magneto- spheric/ionospheric part, 0.6–1.3 nT of heliospheric part (in- cluding 0.2–0.3 nT of R-M effect), 0.1–0.4 nT is due to the non-linear term. 90% confidence range of ...
5
Multifractality and intermittency in the solar wind
... complex solar wind plasma and show that some parts of the attractor in phase space are visited at least one order of magnitudes more frequently than other parts as illustrated in ...the solar ...
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WIND observations of coherent electrostatic waves in the solar wind
... similar to those analysed by Kurth et al. (1979) but have a higher time resolution, up to 120 000 points per second. At this temporal resolution and in the unper- turbed (by the Earth) solar wind, the wave ...
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Electric solar wind sail mass budget model
... surrounding solar wind ...average solar wind. Actually the solar wind properties vary widely along basically all relevant ...the solar wind dynamic ...
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Solar-wind control of plasma sheet dynamics
... how solar- wind conditions affect the energy and plasma transport in the geomagnetic tail and its large-scale ...different solar-wind plasma and inter- planetary magnetic field (IMF) ...
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Velocity fluctuations in polar solar wind: a comparison between different solar cycles
... ecliptic solar wind have been performed by Burlaga and Forman (2002) and Burlaga et ...polar wind by Bavassano et ...ecliptic wind at solar ...polar wind in different ...
7
Cosmic radio-noise absorption bursts caused by solar wind shocks
... In this study we examine impulsive bursts of cosmic noise absorption (SCA) observed at the time of storm sudden com- mencements (SC) and relate their occurrence and associ- ated absorpti[r] ...
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The relationship between plasmapause, solar wind and geomagnetic activity between 2007 and 2011
... becomes possible, and consequently the strength of convec- tion increases, leading to the modification of the plasmapause position. The BV quantity is directly related to the interplane- tary electric field and thus to ...
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