The solar magnetic cycle
A solar-like magnetic cycle on the mature K-dwarf 61 Cygni A (HD 201091)
... stars: magnetic field – stars: solar-type ...synoptic magnetic field maps, have revealed a coherent picture of the way in which the large-scale magnetic field evolves over the course of the ...
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A solar like magnetic cycle on the mature K dwarf 61 Cygni A (HD 201091)
... stars: magnetic field – stars: solar-type ...synoptic magnetic field maps, have revealed a coherent picture of the way in which the large-scale magnetic field evolves over the course of the ...
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Magnetic helicity condensation and the solar cycle
... Abstract Solar fi laments exhibit a global chirality pattern where dextral / sinistral fi laments, corresponding to negative / positive magnetic helicity, are dominant in the northern / southern ...of ...
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How is open solar magnetic flux lost over the solar cycle?
... the solar cycle open solar flux variation, namely the Gnevyshev gap, which is a drop in open solar flux at the peak of solar maximum, and the asymmetry in open solar flux about ...
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Solar cycle effect on geomagnetic storms caused by interplanetary magnetic clouds
... interplanetary magnetic clouds during the past four solar cycles, ...in solar maximum than in solar ...average solar wind speed of magnetic clouds is faster in solar ...
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Solar cycle effect on geomagnetic storms caused by interplanetary magnetic clouds
... Lepping: Solar cycle effect on geomagnetic storms 3385 ...the solar wind velocity gets faster. Eighty-two interplanetary magnetic clouds were iden- tified by the MFI team by using WIND ...
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Analysis of Coronal Magnetic Field Conditions during Major Solar Energetic Particle Events of 23rd Solar Cycle
... the magnetic activity of the Sun. The variation of the magnetic field on the surface of the Sun causes a huge, violent variation in the heliospheric ...Sun‟s magnetic activity should continue as long ...
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How do the magnetic field strengths and intensities of sunspots vary over the solar cycle?
... For Figure 9, Carrington rotation synoptic intensity maps from HMI are used, corrected for limb darkening and flat fielded, but stray light has not been removed yet. Sunspots are hand- selected and include 179 sunspots ...
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Solar cycle variation of magnetic flux ropes in a quasi static coronal evolution model
... Acknowledgements We thank A.A. van Ballegooijen, D.H. Mackay, A.N. Wilmot-Smith, D.I. Pontin and an anonymous referee for useful suggestions, and D.H. Mackay also for the use of parallel computing facilities obtained ...
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Dependence of Geomagnetic Storms on Diverse Solar Wind Parameters, Interplanetary Magnetic Field, Interplanetary Conditions for Solar Cycle 23
... sun’s magnetic field lines are stretching far out in to interplanetary ...earth’s magnetic field, a process is termed as magnetic ...the magnetic field lines and enter earth’s magnetosphere ...
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Properties and geoeffectiveness of magnetic clouds in the rising, maximum and early declining phases of solar cycle 23
... the magnetic struc- ture of the associated filament, ...separate magnetic storms due to a long separation of southward fields in the sheath and in the MC ...
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Terrestrial ground temperature variations in relation to solar magnetic variability, including the present Schwabe cycle
... For comparison we also show, as the nearly horizontal dashed curve, another LOWESS curve of that difference, this time with f = 0.50, which corresponds with an inte- gration time of 200 years. That curve confirms that ...
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Solar cycle dependence of quiet time magnetospheric currents and a model of their near Earth magnetic fields
... a solar cycle dependent component approximated by the F 10 ...several solar cycle depen- dent functions that could represent the time-variable ...
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Magnetic Influences on the Solar Wind
... of magnetic field models in the work described in the following ...possible magnetic field geometries, but they provide an idea of how the magnetic field changes throughout a solar ...open ...
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Solar origins of solar wind properties during the cycle 23 solar minimum and rising phase of cycle 24
... of solar wind sources based on combinations of modern observations and ...early solar wind the- ory, although it retains certain ...modern solar wind still has its main source in open coronal ...
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The Future of Solar Cycle Forecasts
... polar magnetic field shows that Solar Cycle 25 will be at least as active as to Solar Cycle 24, and could be more ...of Solar Cycle 25 span from an average amplitude to ...
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Solar cycle dependence of scaling in solar wind fluctuations
... the solar wind with a view to synthesizing two descriptions: that of evolv- ing MHD turbulence and that of a scaling signature of coro- nal origin that passively propagates with the solar ...of solar ...
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Sources of solar wind over the solar activity cycle
... Fast solar wind has been recognized, about 40 years ago, to originate in polar coronal holes (CHs), that, since then, have been identified with sources of recurrent high speed wind ...the solar wind is ...
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Global characteristics of Pc1 magnetic pulsations during solar cycle 23 deduced from CHAMP data
... the magnetic zonal ...The solar cycle dependence of the occurrence rate reveals a max- imum at the declining phase ...Neither magnetic activity nor solar wind velocity controls the Pc1 ...
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Solar magnetic activity inferred from helioseismology: the weak solar Cycle 24. David SALABERT CEA Saclay, Gif-sur-Yvette, France
... • Frequency shifts of low-frequency modes unchanged Ø Cycle 24 magnetically weaker above 2400 km. Ø Cycle 24 and Cycle 23 magnetically similar below 2400 km[r] ...