207 Footpoint PPTs View free & download

Footpoint behavior PowerPoint PPT Presentation

Footpoint behavior - Coronal separatrix structure. The separatrix surfaces deform ... that the separatrix structure. correlated in interesting ways. with the in-plane motions, ...

Coronal separatrix structure. The separatrix surfaces deform ... that the separatrix structure. correlated in interesting ways. with the in-plane motions, ...

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Energy-height relation for hard X-ray footpoint sources observed by RHESSI. PowerPoint PPT Presentation

Energy-height relation for hard X-ray footpoint sources observed by RHESSI. - Time evolution is represented by the brightness. The first interval is the. darkest one. ... Comparision between several models of density (Aschwanden et al. 2002) and ...

Time evolution is represented by the brightness. The first interval is the. darkest one. ... Comparision between several models of density (Aschwanden et al. 2002) and ...

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Size and Flux Asymmetry of Footpoint Sources PowerPoint PPT Presentation

Size and Flux Asymmetry of Footpoint Sources - They are also often asymmetric in size and magnetic field ... The size of the footpoint should be ... Old algorithms don't weight size sensitivity properly ...

They are also often asymmetric in size and magnetic field ... The size of the footpoint should be ... Old algorithms don't weight size sensitivity properly ...

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SOT observations of footpoints of active region transient brightenings: chromospheric signatures and PowerPoint PPT Presentation

SOT observations of footpoints of active region transient brightenings: chromospheric signatures and - In plage, Diffuse but some 'kernels' More SXR emission at footpoints. ... At footpoints in plage. Magnetic field strength (Gauss) Magnetic field inclination ...

In plage, Diffuse but some 'kernels' More SXR emission at footpoints. ... At footpoints in plage. Magnetic field strength (Gauss) Magnetic field inclination ...

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Evidence for magnetic loop asymmetry from HXR footpoint areas E. Schmahl1,2, R. Pernak1,3, G. Hurfor PowerPoint PPT Presentation

Evidence for magnetic loop asymmetry from HXR footpoint areas E. Schmahl1,2, R. Pernak1,3, G. Hurfor - Electron trap 'cycle': - electrons flow down loop leg from apex - partial mirroring ... trapping, to check the consistency of our results. ...

Electron trap 'cycle': - electrons flow down loop leg from apex - partial mirroring ... trapping, to check the consistency of our results. ...

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The redshifted footpoints of coronal loops PowerPoint PPT Presentation

The redshifted footpoints of coronal loops - (1) Royal Observatory of Belgium, Brussels, Belgium ... Cutout of the SUMER spectral atlas (Curdt et al 2001) showing radiances of: ...

(1) Royal Observatory of Belgium, Brussels, Belgium ... Cutout of the SUMER spectral atlas (Curdt et al 2001) showing radiances of: ...

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The Yohkoh observations of solar flares PowerPoint PPT Presentation

The Yohkoh observations of solar flares - The Yohkoh observations of solar flares Hugh Hudson UCB The Yohkoh observations Structure in soft X-rays Dynamics in soft X-rays Footpoint behavior Coronal hard X-ray ...

The Yohkoh observations of solar flares Hugh Hudson UCB The Yohkoh observations Structure in soft X-rays Dynamics in soft X-rays Footpoint behavior Coronal hard X-ray ...

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X-ray imaging PowerPoint PPT Presentation

X-ray imaging - RHESSI X-ray imaging during HXR peak: X-ray imaging. Two ribbon flare with HXR footpoints (contours) with thermal loop (image) movie ...

RHESSI X-ray imaging during HXR peak: X-ray imaging. Two ribbon flare with HXR footpoints (contours) with thermal loop (image) movie ...

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17 July 2002 PowerPoint PPT Presentation

17 July 2002 - UV footpoint source intensity variations correlated with F ... to find correlations in overall trends in data, rather than correlated bursty ...

UV footpoint source intensity variations correlated with F ... to find correlations in overall trends in data, rather than correlated bursty ...

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Solar coronal heating on current sheets where kinetic Alfvn waves are generated PowerPoint PPT Presentation

Solar coronal heating on current sheets where kinetic Alfvn waves are generated - A null and the associated separatrix. Continuous footpoint motion of. At the photosphere boundary ... on the separatrix. Force-free equilibrium. The growth rate ...

A null and the associated separatrix. Continuous footpoint motion of. At the photosphere boundary ... on the separatrix. Force-free equilibrium. The growth rate ...

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Jets and Outflows: What we know What we would like to know A Summary with Occasional Egregious Self PowerPoint PPT Presentation

Jets and Outflows: What we know What we would like to know A Summary with Occasional Egregious Self - Jets, Outflows and Disks all seem part of high mass star formation (Shepherd, ... provide views of 'meso-scale' jets. Jet rotation - disk footpoints (Ray et ...

Jets, Outflows and Disks all seem part of high mass star formation (Shepherd, ... provide views of 'meso-scale' jets. Jet rotation - disk footpoints (Ray et ...

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CoronaPhotosphere Connection with Spectropolarimeter PowerPoint PPT Presentation

CoronaPhotosphere Connection with Spectropolarimeter - Corona B at photosphere. Global relation between AR corona and magnetic fields has been well studied. Magnetic Flux ... Non-uniformity in AR corona ...

Corona B at photosphere. Global relation between AR corona and magnetic fields has been well studied. Magnetic Flux ... Non-uniformity in AR corona ...

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Yohkoh statistical studies PowerPoint PPT Presentation

Yohkoh statistical studies - Yohkoh statistical studies Micha Tomczak Astronomical Institute, University of Wroc aw, Poland

Yohkoh statistical studies Micha Tomczak Astronomical Institute, University of Wroc aw, Poland

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Coronal connectivity from radio and hard X-ray images - Coronal connectivity from radio and hard Xray images

Coronal connectivity from radio and hard Xray images

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Coronal hard X-ray sources and associated decimetric/metric radio emissions PowerPoint PPT Presentation

Coronal hard X-ray sources and associated decimetric/metric radio emissions - Coronal hard X-ray sources and associated decimetric/metric radio emissions N. Vilmer D. Koutroumpa (Observatoire de Paris- LESIA) S.R Kane G. Hurford

Coronal hard X-ray sources and associated decimetric/metric radio emissions N. Vilmer D. Koutroumpa (Observatoire de Paris- LESIA) S.R Kane G. Hurford

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2nd RHESSI/NESSI PowerPoint PPT Presentation

2nd RHESSI/NESSI - Title: PowerPoint Presentation Last modified by: Luqin Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles

Title: PowerPoint Presentation Last modified by: Luqin Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles

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Steady Flows Detected in Extreme-Ultraviolet Loops PowerPoint PPT Presentation

Steady Flows Detected in Extreme-Ultraviolet Loops - Important equations. Loop heating properties. SJC 2/28/2002. Steady Flows ... Basic Equations Used In Modeling & Observing Loops. Observations & Interpretations ...

Important equations. Loop heating properties. SJC 2/28/2002. Steady Flows ... Basic Equations Used In Modeling & Observing Loops. Observations & Interpretations ...

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Measuring the Temperature of Hot Solar Flare Plasma with RHESSI PowerPoint PPT Presentation

Measuring the Temperature of Hot Solar Flare Plasma with RHESSI - Measuring the Temperature of Hot Solar Flare Plasma with RHESSI Amir Caspi1,2, Sam Krucker2, Robert P. Lin1,2 1 Department of Physics, University of California ...

Measuring the Temperature of Hot Solar Flare Plasma with RHESSI Amir Caspi1,2, Sam Krucker2, Robert P. Lin1,2 1 Department of Physics, University of California ...

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Relations between concurrent hard Xray sources in solar flares M' Battaglia and A' O' Benz PowerPoint PPT Presentation

Relations between concurrent hard Xray sources in solar flares M' Battaglia and A' O' Benz - ?? 2 may be explained by an intermediate situation between the two extremes. ... seems to be at work, differing in one flare for the two legs of the loop. ...

?? 2 may be explained by an intermediate situation between the two extremes. ... seems to be at work, differing in one flare for the two legs of the loop. ...

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Magnetic Reconnection Rate and RHESSI Hard XRay Imaging Spectroscopy of Well Resolved Xclass Flares - Magnetic Reconnection Rate and RHESSI Hard XRay Imaging Spectroscopy of Well Resolved Xclass Flares

Magnetic Reconnection Rate and RHESSI Hard XRay Imaging Spectroscopy of Well Resolved Xclass Flares

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Heating the Corona and Driving the Solar Wind PowerPoint PPT Presentation

Heating the Corona and Driving the Solar Wind - Feb. 2006. HMI/AIA Science Team Mtg. 1. Heating the Corona and Driving the Solar Wind ... Feb. 2006. HMI/AIA Science Team Mtg. 2. Coronal Heating. The corona ...

Feb. 2006. HMI/AIA Science Team Mtg. 1. Heating the Corona and Driving the Solar Wind ... Feb. 2006. HMI/AIA Science Team Mtg. 2. Coronal Heating. The corona ...

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Yohkoh statistical studies - Yohkoh Hard X-ray Telescope gave for the first time an opportunity for massive ... for HXRs (e.g. Frost & Dennis 1971, stereo-scopic papers of Kane) ...

Yohkoh Hard X-ray Telescope gave for the first time an opportunity for massive ... for HXRs (e.g. Frost & Dennis 1971, stereo-scopic papers of Kane) ...

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Magnetic Shear in Two-ribbon Solar Flares PowerPoint PPT Presentation

Magnetic Shear in Two-ribbon Solar Flares - 3. DSM/DAPNIA/Service d'Astrophysique, CEA Saclay, France ... Collaborators: A. A. Van Ballegooijen, E. E. Deluca, J. McCaughey, K. K. Reeves, and M. Gros ...

3. DSM/DAPNIA/Service d'Astrophysique, CEA Saclay, France ... Collaborators: A. A. Van Ballegooijen, E. E. Deluca, J. McCaughey, K. K. Reeves, and M. Gros ...

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Flux Collision Models of Prominence Formation or, Breaking Up is Hard to Do PowerPoint PPT Presentation

Flux Collision Models of Prominence Formation or, Breaking Up is Hard to Do - ... filament/sigmoid scheme matches 'fish hooks' scenario advanced by Pevtsov et al. (1995) ... Filament X-ray Loops' Axes CCW(CW) Rotate w/Height ...

... filament/sigmoid scheme matches 'fish hooks' scenario advanced by Pevtsov et al. (1995) ... Filament X-ray Loops' Axes CCW(CW) Rotate w/Height ...

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Electron Acceleration and Transport in Microwave Flaring Loops PowerPoint PPT Presentation

Electron Acceleration and Transport in Microwave Flaring Loops - Lee et al 2000, - dynamics of spectral properties, electron anisotropy ... Fleishman & Melnikov 2003, - influence of electron pitch angle anisotropy ...

Lee et al 2000, - dynamics of spectral properties, electron anisotropy ... Fleishman & Melnikov 2003, - influence of electron pitch angle anisotropy ...

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From detailed magneto-convection simulations to modelling the convection zone-corona system PowerPoint PPT Presentation

From detailed magneto-convection simulations to modelling the convection zone-corona system - From detailed magneto-convection simulations to modelling the ... Institute of Theoretical Astrophysics, University of Oslo. Monterey February 14 2006 ...

From detailed magneto-convection simulations to modelling the ... Institute of Theoretical Astrophysics, University of Oslo. Monterey February 14 2006 ...

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Reconstructing Active Region Thermodynamics PowerPoint PPT Presentation

Reconstructing Active Region Thermodynamics - Construct X-ray and EUV false images. Compare with observations ... Empirical relationship from Pevtsov et al. soft x-ray data. Solve Static Energy Equation: ...

Construct X-ray and EUV false images. Compare with observations ... Empirical relationship from Pevtsov et al. soft x-ray data. Solve Static Energy Equation: ...

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RHESSI Observations of Super-Hot (T > 30 MK) Plasma in Large Solar Flares PowerPoint PPT Presentation

RHESSI Observations of Super-Hot (T > 30 MK) Plasma in Large Solar Flares - RHESSI Observations of Super-Hot (T 30 MK) Plasma in Large Solar Flares Amir Caspi1 & Robert P. Lin1 1 Department of Physics & Space Sciences Laboratory,

RHESSI Observations of Super-Hot (T 30 MK) Plasma in Large Solar Flares Amir Caspi1 & Robert P. Lin1 1 Department of Physics & Space Sciences Laboratory,

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Coronal Trapping of Energetic Flare Particles: Yohkoh/HXT Observations PowerPoint PPT Presentation

Coronal Trapping of Energetic Flare Particles: Yohkoh/HXT Observations - Trapping has been seen in many flares using observations of time delays. ... This is only marginally consistent with the HXT data. ...

Trapping has been seen in many flares using observations of time delays. ... This is only marginally consistent with the HXT data. ...

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Electron Acceleration at the Solar Flare Reconnection Outflow Shocks PowerPoint PPT Presentation

Electron Acceleration at the Solar Flare Reconnection Outflow Shocks - Electron Acceleration at the Solar Flare Reconnection Outflow Shocks. Gottfried Mann, Henry Aurass, and ... dynamic radio spectrogram height-time diagram ...

Electron Acceleration at the Solar Flare Reconnection Outflow Shocks. Gottfried Mann, Henry Aurass, and ... dynamic radio spectrogram height-time diagram ...

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Solar Xray Jets observe with YohkohSXT and TRACE PowerPoint PPT Presentation

Solar Xray Jets observe with YohkohSXT and TRACE - I have movies in my laptop PC. Please contact with me, ... release move in the X-ray Bright Point during the lifetime of the X-ray jet. ...

I have movies in my laptop PC. Please contact with me, ... release move in the X-ray Bright Point during the lifetime of the X-ray jet. ...

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Simulation of stereoscopic EUVI PowerPoint PPT Presentation

Simulation of stereoscopic EUVI - Richard Nightingale. James Lemen (LMSAL) 2nd SECCHI/STEREO Meeting, Abingdon, UK, 2001 July 12-13. The Goal ... Create a set of synthetic EUVI image pairs that ...

Richard Nightingale. James Lemen (LMSAL) 2nd SECCHI/STEREO Meeting, Abingdon, UK, 2001 July 12-13. The Goal ... Create a set of synthetic EUVI image pairs that ...

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WG 4 Summary - WG 4 Summary

WG 4 Summary

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Active-region magnetic structures and their perturbations by flares PowerPoint PPT Presentation

Active-region magnetic structures and their perturbations by flares - Active-region magnetic structures and their perturbations by flares H.S. Hudson SSL/UCB

Active-region magnetic structures and their perturbations by flares H.S. Hudson SSL/UCB

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short comment: Direct precipitation Trapping PowerPoint PPT Presentation

short comment: Direct precipitation Trapping - S. Masuda (STEL, Nagoya Univ.) TOF analysis (Aschwanden et al. 1996) ... Low-frequency component: trap and precipitation. Ne = 1 - 2 1011 cm-3. Trapping region ...

S. Masuda (STEL, Nagoya Univ.) TOF analysis (Aschwanden et al. 1996) ... Low-frequency component: trap and precipitation. Ne = 1 - 2 1011 cm-3. Trapping region ...

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Thick Target Coronal HXR Sources PowerPoint PPT Presentation

Thick Target Coronal HXR Sources - collapsing magnetic trap is the same for Fermi and betatron. mechanism. However, trap with dominant betatron acceleration confines particles better ...

collapsing magnetic trap is the same for Fermi and betatron. mechanism. However, trap with dominant betatron acceleration confines particles better ...

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Magnetic Helicity PowerPoint PPT Presentation

Magnetic Helicity - Magnetic helicity is a conserved quantity even. in resistive MHD (Berger, 1984) ... magnetograph & spectrograph. fov: 164'x164', Blong=1-5 G, Btrans=30-50 G. temp. ...

Magnetic helicity is a conserved quantity even. in resistive MHD (Berger, 1984) ... magnetograph & spectrograph. fov: 164'x164', Blong=1-5 G, Btrans=30-50 G. temp. ...

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RHESSI and Radio Imaging Observations of Microflares PowerPoint PPT Presentation

RHESSI and Radio Imaging Observations of Microflares - Dept. of Astronomy, University of Maryland, College Park, MD and Lab for ... Time profiles of 17GHz and X-Ray time profile and spectrogram. 2002 May 03 ...

Dept. of Astronomy, University of Maryland, College Park, MD and Lab for ... Time profiles of 17GHz and X-Ray time profile and spectrogram. 2002 May 03 ...

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A First Look on a Pc1 Event Observed Sim PowerPoint PPT Presentation

A First Look on a Pc1 Event Observed Sim - ultaneously at INTERBALL-2 and on the Ground. 3 November 1996, 23: ... inkangas, S. Perrault, et al. Paperin alareunasta 2 cm pois. SOD. IT-2. 23:00 UT. 23:30 UT ...

ultaneously at INTERBALL-2 and on the Ground. 3 November 1996, 23: ... inkangas, S. Perrault, et al. Paperin alareunasta 2 cm pois. SOD. IT-2. 23:00 UT. 23:30 UT ...

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Intro - Accretion Channeling in CTTS. Scott Gregory, Moira Jardine. Classical T ... (e.g. Guenther et al. 1999). Electron-cyclotron maser emission (Smith et al. 2003) ...

Accretion Channeling in CTTS. Scott Gregory, Moira Jardine. Classical T ... (e.g. Guenther et al. 1999). Electron-cyclotron maser emission (Smith et al. 2003) ...

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A full view of EIT waves PowerPoint PPT Presentation

A full view of EIT waves - stop near the separatrix between active regions and thus appear as a stationary front ... The EIT wave stopped near the separatrix. Discussion. Model of the EIT wave ...

stop near the separatrix between active regions and thus appear as a stationary front ... The EIT wave stopped near the separatrix. Discussion. Model of the EIT wave ...

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Synoptic%20Maps%20of%20Magnetic%20Field%20from%20MDI%20Magnetograms:%20polar%20field%20interpolation. PowerPoint PPT Presentation

Synoptic%20Maps%20of%20Magnetic%20Field%20from%20MDI%20Magnetograms:%20polar%20field%20interpolation. - In this poster, we compare various methods for interpolation of ... flux transportation model based method (data from Schrijver and DeRosa, 2002). Method 1 ...

In this poster, we compare various methods for interpolation of ... flux transportation model based method (data from Schrijver and DeRosa, 2002). Method 1 ...

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THEORY OF SOLAR MAGNETIC FLUX ROPES: CMEs DYNAMICS PowerPoint PPT Presentation

THEORY OF SOLAR MAGNETIC FLUX ROPES: CMEs DYNAMICS - ... div B = 0. Demand that there be no singularities and that ... That is, find p(r), Jp(r), and Jt(r). Describe the physical meaning of the parameter q? ...

... div B = 0. Demand that there be no singularities and that ... That is, find p(r), Jp(r), and Jt(r). Describe the physical meaning of the parameter q? ...

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Nanoflares and MHD turbulence in Coronal Loop: a Hybrid Shell Model PowerPoint PPT Presentation

Nanoflares and MHD turbulence in Coronal Loop: a Hybrid Shell Model - Ratio of EIT full Sun images in Fe XII 195A to Fe IX/X 171A ... sheets: tangential discontinuity which become increasingly severe with the ... A Hybrid Shell Model ...

Ratio of EIT full Sun images in Fe XII 195A to Fe IX/X 171A ... sheets: tangential discontinuity which become increasingly severe with the ... A Hybrid Shell Model ...

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TENACIOUS: Tomographic ENA Comprehensive Ion Optical University Satellite PowerPoint PPT Presentation

TENACIOUS: Tomographic ENA Comprehensive Ion Optical University Satellite - TENACIOUS: Tomographic ENA Comprehensive Ion+Optical University Satellite Robert Sheldon, UAH, T.Fritz, H.Spence, J.Sullivan, J.Vickers, D.Cotton, M.Alothman, BU

TENACIOUS: Tomographic ENA Comprehensive Ion+Optical University Satellite Robert Sheldon, UAH, T.Fritz, H.Spence, J.Sullivan, J.Vickers, D.Cotton, M.Alothman, BU

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Coronal loop oscillations and diagnostics with HinodeEIS PowerPoint PPT Presentation

Coronal loop oscillations and diagnostics with HinodeEIS - Coronal loop oscillations and diagnostics with Hinode/EIS. Youra Taroyan ... methods currently used in coronal seismology rely on the presence of coherent ...

Coronal loop oscillations and diagnostics with Hinode/EIS. Youra Taroyan ... methods currently used in coronal seismology rely on the presence of coherent ...

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Two Ribbon Flares: PowerPoint PPT Presentation

Two Ribbon Flares: - Solar Flares are often classified into two types: compact flares and two ribbon flares. ... (2) Supra-Arcade Downflows in LDEs. ITP Workshop Jan-18-2002 ...

Solar Flares are often classified into two types: compact flares and two ribbon flares. ... (2) Supra-Arcade Downflows in LDEs. ITP Workshop Jan-18-2002 ...

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Introduction to the EIS instrument on Hinode PowerPoint PPT Presentation

Introduction to the EIS instrument on Hinode - Title: PowerPoint Presentation Last modified by: Young Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles

Title: PowerPoint Presentation Last modified by: Young Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles

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Current%20trends%20in%20coronal%20seismology PowerPoint PPT Presentation

Current%20trends%20in%20coronal%20seismology - Observational evidence of coronal oscillations (or quasi-periodic pulsations) is ... Possible relevance to coronal heating and solar wind acceleration problems. ...

Observational evidence of coronal oscillations (or quasi-periodic pulsations) is ... Possible relevance to coronal heating and solar wind acceleration problems. ...

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Thermal and nonthermal contributions to the solar flare X-ray flux PowerPoint PPT Presentation

Thermal and nonthermal contributions to the solar flare X-ray flux - Thermal and nonthermal contributions to the solar flare X-ray flux ... Thin Shutters In (A1) Detector #4. 1-minute accumulations. RHESSI Count-rate Spectrum ...

Thermal and nonthermal contributions to the solar flare X-ray flux ... Thin Shutters In (A1) Detector #4. 1-minute accumulations. RHESSI Count-rate Spectrum ...

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MAGNETIC TWIST OF EUV CORONAL LOOPS OBSERVED BY TRACE PowerPoint PPT Presentation

MAGNETIC TWIST OF EUV CORONAL LOOPS OBSERVED BY TRACE - MAGNETIC TWIST OF EUV CORONAL LOOPS. OBSERVED BY TRACE. RyunYoung Kwon, ... There is a tendency that the twist in the middle of the loop is larger than both ...

MAGNETIC TWIST OF EUV CORONAL LOOPS. OBSERVED BY TRACE. RyunYoung Kwon, ... There is a tendency that the twist in the middle of the loop is larger than both ...

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Synoptic Maps of Magnetic Field from MDI Magnetograms: polar field interpolation. - Synoptic Maps of Magnetic Field from MDI Magnetograms: polar field interpolation.

Synoptic Maps of Magnetic Field from MDI Magnetograms: polar field interpolation.

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Polar Observations Change Perception Regarding Location of Substorm Onset PowerPoint PPT Presentation

Polar Observations Change Perception Regarding Location of Substorm Onset - High resolution global imaging of the auroral oval by VIS has become a critical ... High resolution auroral images from the VIS cameras. ...

High resolution global imaging of the auroral oval by VIS has become a critical ... High resolution auroral images from the VIS cameras. ...

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Pickup Ions and Reservoir for Energetic Particles PowerPoint PPT Presentation

Pickup Ions and Reservoir for Energetic Particles - Pickup Ions and Reservoir for Energetic Particles George Gloeckler & Eberhard M bius PUI Session PUI Production Rates Didkowski et al. PUI Sources Drews et al ...

Pickup Ions and Reservoir for Energetic Particles George Gloeckler & Eberhard M bius PUI Session PUI Production Rates Didkowski et al. PUI Sources Drews et al ...

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Heliosphere: Solar Wind PowerPoint PPT Presentation

Heliosphere: Solar Wind - Archimedean Spiral. Garden ... small source region form an Archimedean spiral ... the jet-line, thus also display an Archimedean spiral pattern. ...

Archimedean Spiral. Garden ... small source region form an Archimedean spiral ... the jet-line, thus also display an Archimedean spiral pattern. ...

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WG4 Multi-wavelength Correlative Studies Group Members PowerPoint PPT Presentation

WG4 Multi-wavelength Correlative Studies Group Members - Plasma velocities observed with CDS during impulsive phase of 2 flares ... CDS observations with slit above a rising filament magnetic field extrapolations ...

Plasma velocities observed with CDS during impulsive phase of 2 flares ... CDS observations with slit above a rising filament magnetic field extrapolations ...

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Footpoint PowerPoint PPT Presentations