[PDF] Top 20 A prática médico-veterinária de animais exóticos de companhia
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Solar active regions: SOHO/CDS and TRACE observations of quiescent coronal loops
... background regions, this is rel- atively straightforward, since a number of diagnostic line ra- tios are available (Si X, Fe ...the active re- gion), but should be fairly close to the actual values near the ... See full document
16
Slow magnetoacoustic waves in coronal loops : EIT and TRACE
... of SoHO (Solar and Heliospheric Observatory) and TRACE (Transition Region And Coronal Explorer) instruments produced simul- taneous high cadence image sequences of the same active ... See full document
198
The temperature structure of the quiescent regions of the solar corona
... the coronal heating m echanism for coro nal loops were also recently investigated using the observational character istics in Yoshida and Tsuneta ...the active region corona and found that the ... See full document
18
Observations and numerical models of solar coronal heating associated with spicules
... of coronal loops as spectral line asymmetries (Hara et ...in coronal SDO/AIA lines in active regions (for quiet Sun, see Henriques et ...studied coronal hole spicules at the limb ... See full document
41
The association of sigmoidal features and transequatorial interconnecting loops with eruptive solar activity
... flux regions in the vicinity o f the decaying active region was then assumed to represent the maximum longitudinal extent o f the region and converted to heliographic coordinates ... See full document
40
Damping of slow magnetoacoustic oscillations by the misbalance between heating and cooling processes in the solar corona
... Using the CHIANTI model for the radiative cooling and fix- ing other parameters of the equilibrium, the values of τ 1,2 be- come fully determined by the heating function. This suggests a new way for the diagnostics of ... See full document
136
Sausage oscillations of coronal loops
... and is in fact not dependent on the internal Alfvén speed at all. Figure 6 also shows the dependence upon loop length of the signal quality. The quality is determined as the ratio of the decay time, estimated by fitting ... See full document
154
Heating plasma loops in the solar corona
... The active region loops observed with T RACE appear to have an almost isothermal appearance, and to explain these Reale & Peres (2000) proposed that a coronal loop is actually a synthesis of many ... See full document
113
Effect of a sausage oscillation on radio zebra pattern structures in a solar flare
... This study has several important shortcomings. In particular, in our modelling we considered only a step- function transverse profile of the plasma density in the coronal loop. In this geometry, DPR layers are ... See full document
116
Fundamental-mode Oscillations of Two Coronal Loops within a Solar Magnetic Arcade
... upper loops cross over the lower loops and they appear to have detached from their right footpoints, the lower loops most distant from the fl are may have been excited fi rst as the disturbance ... See full document
9
Thermal instability and non equilibrium in solar coronal loops: from coronal rain to long period intensity pulsations
... the solar corona ( a medium originally assumed to be roughly in ther- mal equilibrium ) predicted by thermal instability were pro- posed as explanations for the origin of solar prominences [ 85 ] and their ... See full document
95
X ray and EUV observations of simultaneous short and long period oscillations in hot coronal arcade loops
... We would like to thank the referee for his/her con- structive and valuable comments that improved the manuscript considerably. SDO is a mission for NASA Living With a Star (LWS) program. PK thanks to Prof. Davina Innes ... See full document
160
3D MHD modeling of twisted coronal loops
... Coronal loops are magnetic fl ux tubes where million-degree plasma is con fi ned and are the building blocks of the magnetically closed part of the solar ...Each coronal loop is known to evolve ... See full document
48
Magnetohydrodynamic seismology of quiet solar active regions
... Active regions of the solar corona are regions of the en- hanced plasma density penetrated by a closed magnetic ...band, active regions are seen as localised bundles of bright ... See full document
148
Distribution of electric currents in solar active regions
... The subsequent evolution is very similar to previous flux emergence simulations (see L13). Here we only show the mag- netic configuration at the time when there is no longer significant flux emergence into the atmosphere ... See full document
44
Aspects of the relationship between active regions and coronal mass ejections
... Both coronal and photospheric light enters the telescope but the photospheric light is rejected with mirror (M4) whereas the coronal light remains and passes through the ...with SoHO was lost, ... See full document
7
Spatial magneto seismology : effect of density stratification on the first harmonic amplitude profile of transversal coronal loop oscillations
... in TRACE data (see Verwichte et ...Technology Solar Telescope [ATST]) or space-borne observations ...the Solar Dynamics Observatory [SDO] and the Solar Orbiter ... See full document
89
Framework for near real time feature detection from the atmospheric imaging assembly images of the solar dynamics observatory
... In this chapter we outlined the process of acquiring science level data using standard routines available for image registration. We also reviewed the correction for limb brightening effect that might produce erroneous ... See full document
104
Magnetic and thermal structuring and dynamics of solar coronal active regions
... waveguiding coronal plasma non-uniformity is bet- ter described by a plane or curved slab than a ...in coronal streamers and other current sheets ... See full document
168
Diagnostics of coronal heating in active region loops
... whole active regions or full-disk im- ages does not give sufficient agreement of models with ...the coronal heating problem of EUV loops by returning to basics and investigating the diagnostics ... See full document
91
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