Coronal Magnetic Field
Determination of the coronal magnetic field by coronal loop oscillations
... the coronal magnetic field by coronal loop oscillations ...the magnetic field strength in a coronal loop, measuring the period of the global kink mode, the loop length, ...
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Coronal magnetic field and the plasma beta determined from radio and multiple satellite observations
... the coronal magnetic field, plasma density, and temperature from the observation of polarization and intensity of radio thermal free-free emission using the Nobeyama Radioheliograph (NoRH) and ...
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Magnetic fields and differential rotation on the pre-main sequence - II. The early-G star HD 141943 - coronal magnetic field, Halpha emission and differential rotation
... The coronal magnetic field at the 3 epochs shows on the largest scales that the field structure is dominated by the dipole component with possible evidence for the tilt of the dipole axis ...
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Magnetohydrodynamics modeling of coronal magnetic field and solar eruptions based on the photospheric magnetic field
... reconstructed field does not completely achieve a force-free state, and so the residual force must be treated ...the magnetic field dynamics, and the interpretation of the dynamics becomes ...the ...
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New Infrared Tools to Measure the Solar Coronal Magnetic Field.
... normalize coronal spectra and divide out the gain ...the coronal spectra and this is often not the case due to temperature variations inside the optical ...for coronal HeI1083 emission because ...
184
Coronal magnetic field measurement using loop oscillations observed by Hinode/EIS
... performing coronal seismology with imaging spectrometers indicates the opportunities EIS of- fers for the full scale implementation of the MHD coronal seis- mological ...
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A new technique for the photospheric driving of non potential solar coronal magnetic field simulations
... including magnetic fl ux, magnetic energy, and electric current, differ when we omit or include the non- inductive component in the multiple bipole ...the magnetic energy match quite closely for both ...
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The possible impact of L5 magnetograms on non potential solar coronal magnetic field simulations
... Hathaway 2014 ) . However, for the present paper, this extra complexity is not required. Our synthetic data sets cover three successive Carrington rotations, CR 2146 – 2148. To create the arti fi cial data sets, the ...
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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 ...
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Prediction of the Sun's coronal magnetic field and forward-modeled polarization characteristics for the 2019 July 2 total solar eclipse.
... underlying magnetic fields, which also govern coronal heating and solar eruptive ...However, coronal magnetic field measurements remain an outstanding ...challenge. Coronal ...
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Comparison of methods for modelling coronal magnetic fields
... Ideally, one would like to model this evolution through the full time-dependent non-linear MHD (magnetohydrodynamic) equations. This requires the adoption of a computational ap- proach, but at present, limitations on ...
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Computing nonlinear force free coronal magnetic fields
... the coronal mag- netic field is important for our understanding of many solar activity phenomena, ...of coronal magnetic fields is not possi- ble with present methods, and therefore the ...
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Topological configurations of coronal magnetic fields and current sheets
... the magnetic lines of force do not slip through the plasma but are effectively ‘frozen- in’, thus being convected with any motions of the ...at magnetic pressure forces dom inate over any plasma ...at ...
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Magnetic and thermal structuring and dynamics of solar coronal active regions
... Modelling coronal magnetic fields It is clear from observations that the magnetic field plays a large role in shaping the corona, and it is clear from the MHD equations that any attempt to ...
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Solar magnetic carpet III : coronal modelling of synthetic magnetograms
... overlying coronal magnetic field (of varying strength) which points in the positive x−direction; this simulates the influence of larger scale magnetic features, such as exist on the Sun, ...
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Particle acceleration due to coronal non null magnetic reconnection
... example magnetic null points and separators, have been inferred as likely sites of magnetic reconnection and particle acceleration in the solar ...fact, magnetic reconnection is not constrained to ...
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Coronal Holes and Open Magnetic Flux
... Abstract Coronal holes are low-density regions of the corona which appear dark in X-rays and which contain “open” magnetic flux, along which plasma escapes into the ...large-scale field, the open ...
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On the topology of global coronal magnetic fields
... As well as the distribution in height of null points, we also consider their distri- bution in latitude. Figure 4.16 shows a “butterfly” diagram of the number of nulls in the corona at a given latitude over time (this ...
194
Coronal heating in multiple magnetic threads
... of magnetic fields that are initially in ...the magnetic field in the two threads matter, how far apart do the threads need to be to suppress any spreading of the instability and how close to ...
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Solar origin of heliospheric magnetic field inversions: evidence for coronal loop opening within pseudostreamers
... In the top panel, a closed loop rises due to photospheric flux emergence (red arrow), but does not the reach the solar wind acceleration height (blue dashed line) before it undergoes rec[r] ...
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