THE ACTIVE REGION CORONA
Fundamental transverse vibrations of the active region solar corona
... terference pattern of the motions of the strands but not with the complexity of the motions of the strands. Figure 12(a) shows the histogram of the Doppler velocities in both cases of 100 strands with interaction ...
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Modeling the dispersal of an active region : quantifying energy input into the corona
... decaying active region, NOAA AR 8005. The active region is modeled during a four-day period around its central meridian ...the active region is dominated by random motions due to ...
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Observatories of the Solar Corona and Active Regions (OSCAR)
... EUV Active Region Imager (EUVARI) – The EUV imager will provide simultaneous measurements of the full solar disk in two different wavelengths on each ...lower corona in the ...
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Self similar signature of the active solar corona within the inertial range of solar wind turbulence
... ordered region of the corona is at the poles at solar minimum and observations of the correspond- ing quiet, fast solar wind are provided by the ULYSSES ...
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Diagnostics of coronal heating in active region loops
... Sun: Corona - Sun: UV radiation - Hydrodynamics - Magnetic fields ...solar corona to kinetic temperatures over one million Kelvin is one of the most important unsolved problems in ...the corona are ...
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Loop oscillations in the corona
... 1.6 SU M E R and slow waves Recent studies by Wang et al. al (2002c; 2002a,b), a group from the Max-Planck Institute in Germany, have considered Doppler shift oscillations using data from the SUMER spectrometer on SOHO. ...
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MHD wave interaction with coronal active region plasmas
... solar corona in the soft X-ray band as transient, collimated features with apparent high-velocity outflows in the direction of colli- mation [Shibata et ...
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Cool and hot emission in a recurring active region jet
... Interface Region Imaging Spectrograph (IRIS) The IRIS provides simultaneous images and spectra of the solar atmosphere in the far-UV ...transition region, and ...
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Active region emission measure distributions and implications for nanoflare heating
... (2013). 2. METHODOLOGY The major assumption of this paper is that the corona in AR loops is heated by small energy releases (nanoflares) that form a semi-infinite sequence, referred to as a “nanoflare train.” ...
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Particle dynamics in a non flaring solar active region model
... cells on a range of scales (e.g. Gudiksen & Nordlund 2005a,b). Only recently have large-scale computations been performed that model a full AR without downscaling (Bourdin et al. 2013). The MHD simulation we will use was ...
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A comparison of global magnetic field skeletons and active region upflows
... in active regions using Doppler velocity ...seven active regions observed on the solar disc using the Extreme ultraviolet Imaging Spectrometer aboard Hinode between August 2011 and September ...with ...
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Effects of change of use of land on an aquifer in a tectonically active region
... Field work focused primarily on the topographic sur- veys within the city of Celaya. The direction taken for the uprising was East-West that is almost perpendicular to the train of failure of orientation NNW-SSE of ...
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Corona
... Source: Reuters (2009) SWOT ANALYSIS Strengths: Grupo Modelo maintains outstanding relationships with its distributors in the United States. This allows them to give their distributors more responsibility in branding and ...
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A fast and accurate method to capture the solar corona/transition region enthalpy exchange
... 2 Department of Physics and Astronomy, Rice University, Houston, TX 77005, USA; [email protected] Received 2019 February 3; revised 2019 March 3; accepted 2019 March 3; published 2019 March 15 Abstract The ...
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Active learning for feasible region discovery
... The training data can be chosen according to different methodologies. For example, the samples can be chosen all at once at the start. Without any prior knowledge this leads to a space-filling design which is not very ...
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FIP bias in a sigmoidal active region
... Abstract. We investigate first ionization potential (FIP) bias levels in an anemone active region (AR) - coronal hole (CH) complex using an abundance map derived from Hinode/EIS spectra. The detailed, ...
Corona Effect.doc
... The rapid movements of electrons and motion of positive ions gives the steep front of the pulse, while the further drift of positive ions will give slow tail of the corona pulse. When conductor is negative with ...
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The Corona Effect
... the corona would have tended to be expelled to lesser distances from the Sun than the lighter elements by slow CMEs and by the slow solar wind that dominates on the plane of the ...
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Analysis of the Active Region of Archimedean Spiral Antenna
... dependent active region and this determines the effective radiation area on the spiral ...the active region of the spiral antenna are analyzed in different types of dielectric ...the ...
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Dynamic properties of bright points in an active region
... direction. We expanded on this by analysing the flow directions in each quadrant of the three regions about the centre-point and the neutral line found in region 3. The results in Fig. 3 show that there are ...
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