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Solar coronal mass ejections

The kinematics and morphology of solar coronal mass ejections

The kinematics and morphology of solar coronal mass ejections

... these ejections, as they might act to drag out field lines or sever completely from the Sun through magnetic reconnection, and potentially drive shock disturbances in the interplanetary gas (Gold, 1962; ...

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The kinematics of coronal mass ejections using multiscale methods

The kinematics of coronal mass ejections using multiscale methods

... It is well known that CMEs are associated with filament eruptions and solar flares (Zhang & Wang 2002; Moon et al. 2004) but the driver mechanism remains elusive. Several theo- retical models are described by ...

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Aspects of the relationship between active regions and coronal mass ejections

Aspects of the relationship between active regions and coronal mass ejections

... 2 solar radii from disc centre (below ...0.1 solar radii above the ...observe coronal features on the limb and the ARs in this study include a range of longitudes and have not been selected to meet ...

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Radial and azimuthal oscillations of halo coronal mass ejections in the Sun

Radial and azimuthal oscillations of halo coronal mass ejections in the Sun

... the solar corona are often accompanied by the excitation of various kinds of oscillations of coronal plasma non-uniformities, with the periods ranging from a fraction of a second to several ...of ...

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Coronal mass ejections and Jump in solar wind plasma temperature in association with shock related geomagnetic storms

Coronal mass ejections and Jump in solar wind plasma temperature in association with shock related geomagnetic storms

... in solar wind plasma temperature (JSWT) events which are associated with shock related geomagnetic storms and studied statistical behavior of these events with coronal mass ...

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Statistical Study of Interplanetary Coronal Mass Ejections with Strong Magnetic Fields

Statistical Study of Interplanetary Coronal Mass Ejections with Strong Magnetic Fields

... of solar flare strength and the Solar Dynamics Observatory (SDO) spacecraft which has the Helioseismic and Magnetic Imager (HMI) instrument on ...the solar source magnetic ...

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Coronal Mass Ejections during Geomagnetic              Storms on Earth

Coronal Mass Ejections during Geomagnetic Storms on Earth

... It also showed up during the events of 2000 and 2001, there are multiple entries relating great geomagnetic events as compared to other years because this was the time where the Sun has reached its peaked and NASA ...

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Characterizing Coronal Mass Ejections in Solar Cycle Analysis

Characterizing Coronal Mass Ejections in Solar Cycle Analysis

... maximum solar activity happens in the years 2001 and 2002, and minimum phase happened in 2007 and 2008, all of which belongs to solar cycle 23 ...maximum solar activity ...lesser ejections as ...

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Uncertainties in polarimetric 3D reconstructions of coronal mass ejections

Uncertainties in polarimetric 3D reconstructions of coronal mass ejections

... typical coronal density distribution, by synthesizing the corresponding pB and uB emissions, and by comparing the LOS blob location derived with polarization ratio with its real ...the Solar Orbiter ...

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Relation between Solar Flares, Halo and Partial Halo Coronal Mass Ejections, and Solar Energetic Particle Events

Relation between Solar Flares, Halo and Partial Halo Coronal Mass Ejections, and Solar Energetic Particle Events

... Above two paragraphs indicate the impact of the two CME parameters called linear speed and angular width. It is necessary to study the impact of the flare parameters also. Flare class is a major parameter of the ...

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Machine Learning Classification of Interplanetary Coronal Mass Ejections Using Satellite Accelerometers

Machine Learning Classification of Interplanetary Coronal Mass Ejections Using Satellite Accelerometers

... Interplanetary Coronal Mass Ejection ...for solar storm and space weather phenomena research, which can be costly and technically di ffi cult for small and nano-satellite ...a solar storm ...

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The spectroscopic imprint of the pre eruptive configuration resulting into two major coronal mass ejections

The spectroscopic imprint of the pre eruptive configuration resulting into two major coronal mass ejections

... Following the observations, CME initiation models can also be divided into two broad categories: models with pre- existing FRs and models with FR formation during the erup- tion. Most models that form twisted magnetic ...

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Automatic detection and tracking of coronal mass ejections  II  Multiscale filtering of coronagraph images

Automatic detection and tracking of coronal mass ejections II Multiscale filtering of coronagraph images

... grew out of a necessity to record a simple but ef- fective description and analysis of each event ob- served by LASCO (Gopalswamy et al. 2009), but its manual operation is both tedious and subject to user biases. Ideally ...

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Study Of Symmetric And Asymmetric Short Term Cosmic Ray Intensity Decreases From 1997 To 2013

Study Of Symmetric And Asymmetric Short Term Cosmic Ray Intensity Decreases From 1997 To 2013

... with coronal mass ejections ...x-ray solar flares of different ...x-ray solar flare and most of the symmetric cosmic ray intensity decreases are found to be associated with C class ...

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The Analysis of Interplanetary Shocks Associated with Six Major Geo Effective Coronal Mass Ejections during Solar Cycle 24

The Analysis of Interplanetary Shocks Associated with Six Major Geo Effective Coronal Mass Ejections during Solar Cycle 24

... In this section of observation, we obtained the arrival time using second-order speed of CMEs instead of linear speed reported in the LASCO/SOHO catalogue. So here we are estimating transit time from Equation (3) by ...

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Evolution of magnetic helicity during eruptive flares and coronal mass ejections

Evolution of magnetic helicity during eruptive flares and coronal mass ejections

... Some solar flares (known as eruptive flares) are associated with the eruption of a mag- netic structure containing a prominence (observed as a coronal mass ejection) and typically produce a ...

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THE SURVEY OF PARKER SOLAR PROBE

THE SURVEY OF PARKER SOLAR PROBE

... Parker Solar Probe is the only imaging instrument aboard the ...and solar wind before the spacecraft flies through ...like coronal mass ejections, or CMEs, jets and other ejecta from ...

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Propagation of coronal mass ejections in the inner heliosphere

Propagation of coronal mass ejections in the inner heliosphere

... quadratic (δ = 2), for the slow and fast event are unclear. The application of any hy- drodynamic theory such as drag, to a CME, may be missing vital physics. Could the magnetic properties play a role modifying the form ...

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Statistical Relation Of Coronal Mass Ejections And Solar Wind Disturbances With Radio Bursts Related Geomagnetic Storms

Statistical Relation Of Coronal Mass Ejections And Solar Wind Disturbances With Radio Bursts Related Geomagnetic Storms

... of solar coronal mass ejection (CME) sources for selected major geomagnetic storms in the geomagnetic field of ...X-ray solar flares and propagating in the western hemisphere, cause strong ...

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Observational study of interplanetary coronal mass ejections and flare in the solar corona

Observational study of interplanetary coronal mass ejections and flare in the solar corona

... Interplanetary Coronal Mass Ejections (ICMEs) are the region of light scattered due to the electron densities in solar ...of Coronal the purpose of establishing the relationship between ...

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