206 Footpoints PPTs View free & download

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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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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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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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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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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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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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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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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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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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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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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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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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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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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WG 4 Summary - WG 4 Summary

WG 4 Summary

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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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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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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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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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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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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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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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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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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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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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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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Nouvelle mod PowerPoint PPT Presentation

Nouvelle mod - Anisotropic braiding avalanche model for solar flares: A new 2D application Laura F. Morales Canadian Space Agency / Agence Spatiale Canadienne

Anisotropic braiding avalanche model for solar flares: A new 2D application Laura F. Morales Canadian Space Agency / Agence Spatiale Canadienne

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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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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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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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28-OCT-03 X 17 onset:09:51 peak:11:10 end:11:24 - 28OCT03 X 17 onset:09:51 peak:11:10 end:11:24

28OCT03 X 17 onset:09:51 peak:11:10 end:11:24

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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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PowerPoint-Pr PowerPoint PPT Presentation

PowerPoint-Pr - Anomalous X-ray Pulsars and Soft Gamma-ray Repeaters Sandro Mereghetti INAF - IASF Milano

Anomalous X-ray Pulsars and Soft Gamma-ray Repeaters Sandro Mereghetti INAF - IASF Milano

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Nonthermal Hard X-Ray Radiation from Solar Flares: Observations and Models PowerPoint PPT Presentation

Nonthermal Hard X-Ray Radiation from Solar Flares: Observations and Models - with Geiger counters on a V-2 rocket in 1949. First detection of a solar flare in hard ... For collisional energy losses in a fully ionized plasma, dE/dx = K n / E ...

with Geiger counters on a V-2 rocket in 1949. First detection of a solar flare in hard ... For collisional energy losses in a fully ionized plasma, dE/dx = K n / E ...

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Modelling of the Effects of Return Current in Flares PowerPoint PPT Presentation

Modelling of the Effects of Return Current in Flares - Modelling of the Effects of Return ... electron beams through the solar ... TPC RC calculation for each grid cell number of electrons passing given cell in a ...

Modelling of the Effects of Return ... electron beams through the solar ... TPC RC calculation for each grid cell number of electrons passing given cell in a ...

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EISCAT-Cluster observations PowerPoint PPT Presentation

EISCAT-Cluster observations - EISCAT-Cluster observations of quiet-time near-Earth magnetotail fast flows and their signatures in the ionosphere T. Pitk nen(1), A. T. Aikio(1), O. Amm(2), K ...

EISCAT-Cluster observations of quiet-time near-Earth magnetotail fast flows and their signatures in the ionosphere T. Pitk nen(1), A. T. Aikio(1), O. Amm(2), K ...

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Review of Conditions for the Formation and Maintenance of Filaments - Review of Conditions for the Formation and Maintenance of Filaments

Review of Conditions for the Formation and Maintenance of Filaments

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Constraints on Particle Acceleration from Interplanetary Observations R. P. Lin together with L. Wang, S. Krucker at UC Berkeley, G Mason at U. Maryland, and R. Mewaldt at Caltech - Constraints on Particle Acceleration from Interplanetary Observations R. P. Lin together with L. Wang, S. Krucker at UC Berkeley, G Mason at U. Maryland,

Constraints on Particle Acceleration from Interplanetary Observations R. P. Lin together with L. Wang, S. Krucker at UC Berkeley, G Mason at U. Maryland,

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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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Ellerman Bombs in a Solar Active Region: PowerPoint PPT Presentation

Ellerman Bombs in a Solar Active Region: - Spatial scale of the order of a few arcsec. Duration of the ... They occur on the blue and red wing of the Ha line, instead of its center. NOAA 8844 - 01/25/00 ...

Spatial scale of the order of a few arcsec. Duration of the ... They occur on the blue and red wing of the Ha line, instead of its center. NOAA 8844 - 01/25/00 ...

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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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HIGH-QUALITY FAST QPOs FROM MAGNETARS: AN ELECTRIC CIRCUIT MODEL PowerPoint PPT Presentation

HIGH-QUALITY FAST QPOs FROM MAGNETARS: AN ELECTRIC CIRCUIT MODEL - HIGH-QUALITY FAST QPOs FROM MAGNETARS: AN ELECTRIC CIRCUIT MODEL A.Stepanov (Pulkovo Observatory, St.Petersburg) V.Zaitsev (Institute of Applied Physics, N.Novgorod)

HIGH-QUALITY FAST QPOs FROM MAGNETARS: AN ELECTRIC CIRCUIT MODEL A.Stepanov (Pulkovo Observatory, St.Petersburg) V.Zaitsev (Institute of Applied Physics, N.Novgorod)

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Spatial and temporal relationships between UV continuum and hard x-ray emissions in solar flares PowerPoint PPT Presentation

Spatial and temporal relationships between UV continuum and hard x-ray emissions in solar flares - Spatial and temporal relationships between UV continuum and hard x-ray emissions in solar flares Aaron J. Coyner and David Alexander Rice University

Spatial and temporal relationships between UV continuum and hard x-ray emissions in solar flares Aaron J. Coyner and David Alexander Rice University

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Uses of solar hard Xrays PowerPoint PPT Presentation

Uses of solar hard Xrays - Bremsstrahlung is inefficient, and electrons 20 keV dominate flare energetics ... Standard Neupert plot for the Bastille Day 2000 flare. Another Neupert plot ...

Bremsstrahlung is inefficient, and electrons 20 keV dominate flare energetics ... Standard Neupert plot for the Bastille Day 2000 flare. Another Neupert plot ...

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ASAI Ayumi - magnetic field line. Released energy by reconnection or induced energy into the region ... contour lines : magnetic field. Positive / Negative. E2. W2 ...

magnetic field line. Released energy by reconnection or induced energy into the region ... contour lines : magnetic field. Positive / Negative. E2. W2 ...

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The Sun Through the Eyes of SOHO PowerPoint PPT Presentation

The Sun Through the Eyes of SOHO - MHD investigation of dynamo mechanisms operating inside the Sun and late-type ... ground-based (THEMIS/IPM; DST/IBIS; INAF-OACt) and satellite instruments (TRACE; ...

MHD investigation of dynamo mechanisms operating inside the Sun and late-type ... ground-based (THEMIS/IPM; DST/IBIS; INAF-OACt) and satellite instruments (TRACE; ...

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Solar-B XRT - Broadest temperature coverage of any coronal imager to date. ... Extremely large dynamic range to detect entire corona, from coronal holes to X-flares. ...

Broadest temperature coverage of any coronal imager to date. ... Extremely large dynamic range to detect entire corona, from coronal holes to X-flares. ...

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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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Accretion-ejection and magnetic star-disk interaction: a numerical perspective PowerPoint PPT Presentation

Accretion-ejection and magnetic star-disk interaction: a numerical perspective - collimation (magnetic 'hoop. stress') and pushes the outflow. Framework: MHD. Conservation of: ... Current circuits - collimation ...

collimation (magnetic 'hoop. stress') and pushes the outflow. Framework: MHD. Conservation of: ... Current circuits - collimation ...

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Solar Wind Structure in the Heliosphere: A Solar Perspective of Space Weather PowerPoint PPT Presentation

Solar Wind Structure in the Heliosphere: A Solar Perspective of Space Weather - flux expansion between photosphere and source surface (PFSS model) ... wind need to be traced back to the photosphere to determine the foot points. ...

flux expansion between photosphere and source surface (PFSS model) ... wind need to be traced back to the photosphere to determine the foot points. ...

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Detailed Plasma and Fluorescence Diagnostics of a Stellar X-Ray Flare PowerPoint PPT Presentation

Detailed Plasma and Fluorescence Diagnostics of a Stellar X-Ray Flare - Detailed Plasma and Fluorescence Diagnostics of a Stellar X-Ray Flare. Paola Testa (1) Fabio Reale(2), Jeremy Drake(3), Barbara Ercolano(3), David Huenemoerder(1) ...

Detailed Plasma and Fluorescence Diagnostics of a Stellar X-Ray Flare. Paola Testa (1) Fabio Reale(2), Jeremy Drake(3), Barbara Ercolano(3), David Huenemoerder(1) ...

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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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DST - Some Ha kernels show no correnponding HXR burst. D:53cm Coronagraph. 9 Channel MSDP ... Elementary HXR bursts. Puzzling phenomena - Pre-heating in Ha ...

Some Ha kernels show no correnponding HXR burst. D:53cm Coronagraph. 9 Channel MSDP ... Elementary HXR bursts. Puzzling phenomena - Pre-heating in Ha ...

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EUV filaments in 3D from magnetic extrapolations toward stereoscopic observations PowerPoint PPT Presentation

EUV filaments in 3D from magnetic extrapolations toward stereoscopic observations - THEMIS/MSDP. distribution of cool material ? magnetic topology ? 3D is missing ... Joint THEMIS/SoHO campaign, 05/05/2000 (conducted at MEDOC) 08:12 UT. 07:52 UT ...

THEMIS/MSDP. distribution of cool material ? magnetic topology ? 3D is missing ... Joint THEMIS/SoHO campaign, 05/05/2000 (conducted at MEDOC) 08:12 UT. 07:52 UT ...

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Magnetic Topology of the 29 October 2003 X10 Flare PowerPoint PPT Presentation

Magnetic Topology of the 29 October 2003 X10 Flare - We find a relationship between the spine lines and the temporal evolution of the ... TRACE 195 image at 20:50:42 UT and MPOLE spine lines from the P magentogram. ...

We find a relationship between the spine lines and the temporal evolution of the ... TRACE 195 image at 20:50:42 UT and MPOLE spine lines from the P magentogram. ...

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Footpoints PowerPoint PPT Presentations