Search Results - "Ehsan Tavabi"

Waves propagation in network and inter-network bright points channels between the chromosphere and transition regions with IRIS observations by Zeighami, Sima, Tavabi, Ehsan, Amirkhanlou, Elnaz

“…The significance increase of the plasma temperature from the solar photosphere to the corona up to 1MK is still unresolved. One of the candidates for this…”
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Formation of a White-Light Jet Within a Quadrupolar Magnetic Configuration by Filippov, Boris, Koutchmy, Serge, Tavabi, Ehsan

“…We analyze multi-wavelength and multi-viewpoint observations of a large-scale event viewed on 7 April 2011, originating from an active-region complex. The…”
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Synchronized observations of bright points from the solar photosphere to the corona by Tavabi, Ehsan

“…One of the most important features in the solar atmosphere is the magnetic network and its relationship to the transition region (TR) and coronal brightness…”
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Characteristics of chromospheric oscillation periods in magnetic bright points by Sadeghi, Rayhane, Tavabi, Ehsan

“…ABSTRACT In this investigation, oscillation periods in Mg ii k-line intensity, brightness temperature, and Doppler velocity obtained above magnetic bright…”
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IRIS Observational Approach to the Oscillatory and Damping Nature of Network and Internetwork Chromosphere Small-Scale Brightening (SSBs) and Their Unusual Dynamical and Morphological Differences in Different Regions on the Solar Disk by Sadeghi, Rayhaneh, Tavabi, Ehsan

“…One of the most exciting benefits of solar small-scale brightening is their oscillations. This study investigated the properties of small-scale brightening…”
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A New Approach to Kinetic Energy Flux at the Different Frequencies above the IRIS Bright Points by Sadeghi, Rayhane, Tavabi, Ehsan

“…Abstract Various bright structures abound in the chromosphere playing an essential role in the dynamics and evolution therein. Tentatively identifying the wave…”
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A New Approach to Kinetic Energy Flux at the Different Frequencies above the IRIS Bright Points Released on 2021 March 1 by Sadeghi, Rayhane, Tavabi, Ehsan

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Dampening long-period doppler shift oscillations using deep machine learning techniques in the solar network and internetwork by Sadeghi, Rayhaneh, Tavabi, Ehsan

“…This study aimed to explore the Doppler shift at different wavelengths in the IRIS solar spectrum and analyze the evolution and statistical properties of…”
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Exploring the spatial distribution and properties of solar bright points in different solar areas: A statistical analysis of network and internetwork features by Tavabi, Ehsan, Sadeghi, Rayhane

“…Solar bright points (BPs) are small-scale magnetic features observed on the solar surface. They play a significant role in the transfer of energy and mass…”
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Research Paper: Two-dimensional Analysis of the Bright Points Velocity in the Solar Transition Region with the Local Correlation Tracking Method by Ehsan Tavabi, Masoumeh Tareh, Sima Zeighami

“…Our knowledge about the origin and transformation mechanisms of the bright points in the solar network has a significant role in understanding the ejection of…”
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Research Paper: Solar Corona Flares and Its Effect on the Earth’s Atmosphere by Sima Zeighami, Ehsan Tavabi, Hedye Rostaii

“…Solar winds result from the eruption of plasma streams from the solar corona. This plasma, which consists of proton particles, electrons, X-rays, and radio…”
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Dampening Long-Period Doppler Shift Oscillations using Deep Machine Learning Techniques in the Solar Network and Internetwork by Sadeghi, Rayhaneh, Tavabi, Ehsan

“…This study explores the Doppler shift at different wavelengths in the Interface Region Imaging Spectrograph (IRIS) solar spectrum and implements a…”
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IRIS observational approach to the oscillatory and damping nature of network and internetwork chromosphere small-scale brightening (SSBs) and their unusual dynamical and morphological differences in different regions on the solar disk by Sadeghi, Rayhane, Tavabi, Ehsan

“…One of the most exciting benefits of solar small-scale brightening is their oscillations, this study investigated the properties of small-scale brightening…”
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Oscillations in solar Jets Observed with the SOT of Hinode: Viscous Effects during Reconnection by Tavabi, Ehsan, Koutchmy, Serge

“…Transverse oscillatory motions and recurrence behavior in the chromospheric jets observed by Hinode/SOT are studied. A comparison is considered with the…”
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A new approach to kinetic energy flux at the different frequencies above the IRIS Bright Points by Sadeghi, Rayhane, Tavabi, Ehsan

“…Various bright structures abound in the chromosphere playing an essential role in the dynamics and evolution therein. Tentatively identifying the wave…”
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Characteristics of Chromospheric Oscillation Periods in Magnetic Bright Points (MBPs) by Sadeghi, Rayhane, Tavabi, Ehsan

“…In this investigation oscillation periods in Mg II k line intensity, brightness temperature, and Doppler velocity obtained above Magnetic Bright Points (MBPs)…”
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Synchronized Observations of Bright Points from the Solar Photosphere to Corona by Tavabi, Ehsan

“…One of the most important features in the solar atmosphere is magnetic network and its rela- tionship with the transition region (TR), and coronal brightness…”
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The Three-Dimensional Behavior of a Twisted Flux Tube Expanding in the Corona: Reconnection, Writhe, and Jets by Tavabi, E., Koutchmy, S., Ajabshirizadeh, A.

“…We discuss some aspects of magnetic reconnection which could help in understanding many aspects of magnetic plasma interactions. We will show that the helical…”
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Power spectrum analysis of limb and disk spicule using Hinode Ca H line broadband filter by Tavabi, Ehsan

“…We present observations of a solar quiet region obtained using Hinode Solar Optical telescope (SOT) in Ca II H line with broadband filter taken on November…”
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Evidence for coherent spicule oscillations by correcting Hinode/SOT Ca II H in the southeast limb of the Sun by Maralani, Alireza Ahangarzadeh, Tavabi, Ehsan, Ajabshirizadeh, Ali

“…Wave theories of heating the chromosphere, corona, and solar wind due to photospheric fluctuations are strengthened by the existence of observed wave coherency…”
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