MC
Member Since 1998
Marco C M Velli
Professor, University of California Los Angeles
AGU Research
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CMEs and Formation of Dense Cloud Prominences in Stellar Coronae of Sun-like Stars
MASSIVE TO EXTREME FLARES IN THE SUN AND YOUNG SUN-LIKE STARS: LONG-TERM ACTIVITY EVOLUTION AND SPACE WEATHER CONSEQUENCES POSTER
spa-solar and heliospheric physics | 13 december 2024
Olga Panasenco, Marco C. Velli
We describe observations and modeling of coronal cloud prominences in the solar corona with applications to high-altitude cloud prominence formation i...
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Novel Time-Frequency Representation: Gaussianity Scalogram
INNOVATIVE PYTHON SOFTWARE IN SOLAR AND SPACE PHYSICS POSTER
spa-magnetospheric physics | 12 december 2024
Zesen Huang, Chen Shi, Marco C. Velli, Nikos Sioul...
Recent studies on the in situ measurements of the Parker Solar Probe have shown that the scale-dependent Gaussianity of the magnetic field contains su...
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Analytic Model and Magnetohydrodynamic Simulations of Three-dimensional Magnetic Switchbacks
MAGNETIC STRUCTURES AND WAVES IN THE SOLAR WIND I POSTER
spa-solar and heliospheric physics | 11 december 2024
Chen Shi, Marco C. Velli, Gabor Toth, Kun Zhang, A...
Parker Solar Probe observations reveal that the near-Sun space is almost filled with magnetic switchbacks ("switchbacks" hereinafter), which may be a ...
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Parallel Ion Heating Associated with the Evolution of Switchback Patches into Microstreams
PARKER SOLAR PROBE’S FURTHEST DESCENT INTO THE SUN’S CORONA V POSTER
spa-solar and heliospheric physics | 11 december 2024
Shirsh Soni, Mojtaba Akhavan-Tafti, Marco C. Velli
Switchbacks are alfvenic and discrete angular deflections in the solar wind radial magnetic field, observed throughout the heliosphere and often appea...
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3-Minute Oscillations in the Upper Corona Observed by Parker Solar Probe
PARKER SOLAR PROBE’S FURTHEST DESCENT INTO THE SUN’S CORONA V POSTER
spa-solar and heliospheric physics | 11 december 2024
Zesen Huang, Marco C. Velli, Chen Shi, YINGJIE ZHU...
Recent observations of Parker Solar Probe (PSP) from around the Alfven surface have shown that the trace magnetic power spectrum density (PSD) is ofte...
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Kinetic complexities of the near-Sun heliospheric current sheet observed by Parker Solar Probe
PARKER SOLAR PROBE’S FURTHEST DESCENT INTO THE SUN’S CORONA VI POSTER
spa-solar and heliospheric physics | 11 december 2024
Jaye Verniero, Kristoff W. Paulson, Adam Szabo, Ol...
The heliospheric current sheet (HCS), which separates the Suns magnetic field lines of opposite polarity in the solar wind, is a complex structure tha...
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Investigating the energy balance of different Alfvénic solar wind streams with Solar Orbiter
FUNDAMENTAL PHYSICS OF THE SOLAR CORONA AND INNER HELIOSPHERE III ORAL
spa-solar and heliospheric physics | 10 december 2024
Raffaella D'Amicis, Simone Benella, Roberto Bruno,...
Alfvénic fluctuations are generally observed in high-speed solar wind streams, but are also present in slow wind streams, which may exhibit a str...
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The NASA Living With a Star Heliophysics Summer School: Building the Community of Future Leaders in Heliophysics
SOLAR AND HELIOSPHERIC PHYSICS: GENERAL CONTRIBUTIONS I POSTER
spa-solar and heliospheric physics | 10 december 2024
Cindy L. Bruyere, Nicholas A. Gross, Farzad Kamala...
We introduce a novel model for research summer schools and other programs that enable widespread participation. Since 2007, UCAR/CPAESS has organized ...
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