GV
Gherardo Valori
astro-ph.SRphysics.space-phastro-phastro-ph.IMphysics.plasm-phastro-ph.EPchromospheric dynamicsCoronal mass ejections: initiation and propagationCorona: structureselemental abundances
On Valency
published · living versionsW_fe6krsp3·v1 · currentpublished
Connectivity rewiring and filament formation by active region emergence observed with Solar Orbiter
with Xiaohong Li, Sami K. Solanki, Thomas Wiegelmann, Daniele Calchetti +8
1 version
Preprints & journals
83 papers in the corpus · 2006–2026Inverse FIP effect plasma in the solar atmosphere: a synthesis of current understanding and new insights from AR 11967.42391547 · Baker, Deborah, Brooks, David H, Long, David M et al.2026 · 0 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2026;384(2323)
A stray light analysis for SO/PHI-HRT and an updated comparison of the inferred magnetic field with SDO/HMI2603.18744v1 · Jonas Sinjan, Tino L. Riethmuller, Achim Gandorfer et al.2026 · 1 citationA&A 710, A296 (2026)
Magnetic structure of coronal dark halos2602.18604v3 · J. D. Nolke, S. K. Solanki, J. Hirzberger et al.2026 · 0 citationsA&A 709, A108 (2026)
The Non-Eruptive Reconfiguration of a Quiescent Filament After a Nearby Active Region Emergence2602.06522v1 · James McKevitt, Louise Harra, Gherardo Valori et al.2026 · 0 citationsarXiv
The first out-of-ecliptic observations of the polar magnetic field of the Sun2512.03611v1 · D. Calchetti, S. K. Solanki, J. Hirzberger et al.2025 · 2 citationsarXiv
Solar photospheric velocities measured in space: a comparison between SO/PHI-HRT and SDO/HMI2510.25515v3 · D. Calchetti, K. Albert, F.J. Bail'en et al.2025 · 2 citationsA&A 708, A246 (2026)
Supergranulation and Poleward Migration of the Magnetic Field at High Latitudes of the Sun2509.26586v3 · L. P. Chitta, D. Calchetti, J. Hirzberger et al.2025 · 1 citationApJL 993, L45 (2025)
Solar limb faculae: intensity contrast from two vantage points2510.00320v2 · K. Albert, J. Hirzberger, N. A. Krivova et al.2025 · 3 citationsarXiv
3D structures of the base of small-scale recurrent jets revealed by Solar orbiter2509.06792v1 · Xiaohong Li, Sami K. Solanki, Thomas Wiegelmann et al.2025 · 6 citationsA&A 702, A201 (2025)
Solar Orbiter reveals persistent magnetic reconnection in medium-scale filament eruptions2509.04771v1 · Song Tan, Alexander Warmuth, Fr'ed'eric Schuller et al.2025 · 8 citationsarXiv
Active region upflows in various coronal structures and their coupling to the lower atmosphere2509.02157v1 · Yingjie Zhu, Louise Harra, Krzysztof Barczynski et al.2025 · 1 citationarXiv
First coordinated observations between Solar Orbiter and the Daniel K. Inouye Solar Telescope2507.19198v1 · Krzysztof Barczynski, Miho Janvier, Chris J. Nelson et al.2025 · 3 citationsarXiv
A near-real-time data-assimilative model of the solar corona.40494330 · Downs, Cooper, Linker, Jon A, Caplan, Ronald M et al.2025 · 27 citationsScience (New York, N.Y.). 2025;388(6753):1306-1310
Observation of Alfvén Wave Reflection in the Solar Chromosphere: Ponderomotive Force and First Ionization Potential Effect.38856280 · Murabito, Mariarita, Stangalini, Marco, Laming, J Martin et al.2024 · 19 citationsPhysical review letters. 2024;132(21):215201
Searching for evidence of subchromospheric magnetic reconnection on the Sun2405.07755v1 · D. Baker, L. van Driel-Gesztelyi, A. W. James et al.2024 · 8 citationsarXiv
Sausage, kink, and fluting MHD wave modes identified in solar magnetic pores by Solar Orbiter/PHI2404.18717v1 · S. Jafarzadeh, L.A.C. Schiavo, V. Fedun et al.2024 · 13 citationsA&A 688, A2 (2024)
Observations of Fan-Spine Topology by Solar Orbiter/EUI: Rotational Motions and Indications of Alfvén Waves2404.10577v1 · E. Petrova, T. Van Doorsselaere, D. Berghmans et al.2024 · 16 citationsA&A 687, A13 (2024)
Reconstruction of total solar irradiance variability as simultaneously apparent from Solar Orbiter and Solar Dynamics Observatory2309.16355v1 · K.L. Yeo, N.A. Krivova, S.K. Solanki et al.2023 · 1 citationA&A 679, A25 (2023)
Coronal voids and their magnetic nature2309.09789v1 · J.D. Nolke, S.K. Solanki, J. Hirzberger et al.2023 · 5 citationsA&A 678, A196 (2023)
Intensity contrast of solar network and faculae close to the solar limb, observed from two vantage points2309.01474v1 · K. Albert, N. A. Krivova, J. Hirzberger et al.2023 · 9 citationsA&A 678, A163 (2023)
Fleeting Small-scale Surface Magnetic Fields Build the Quiet-Sun Corona2308.10982v2 · L. P. Chitta, S. K. Solanki, J. C. del Toro Iniesta et al.2023 · 16 citationsApJL 956, L1 (2023)
Stereoscopic disambiguation of vector magnetograms: first applications to SO/PHI-HRT data2307.09907v1 · G. Valori, D. Calchetti, A. Moreno Vacas et al.2023 · 10 citationsA&A 677, A25 (2023)
A multiple spacecraft detection of the 2 April 2022 M-class flare and filament eruption during the first close Solar Orbiter perihelion2307.02396v1 · M. Janvier, S. Mzerguat, P. R. Young et al.2023 · 17 citationsA&A 677, A130 (2023)
Wavefront error of PHI/HRT on Solar Orbiter at various heliocentric distances2306.00163v1 · F. Kahil, A. Gandorfer, J. Hirzberger et al.2023 · 15 citationsA&A 675, A61 (2023)
Direct assessment of SDO/HMI helioseismology of active regions on the Sun's far side using SO/PHI magnetograms2305.01594v1 · D. Yang, L. Gizon, H. Barucq et al.2023 · 11 citationsA&A 674, A183 (2023)
Spectropolarimetric investigation of magnetohydrodynamic wave modes in the photosphere: First results from PHI on board Solar Orbiter2304.14155v1 · D. Calchetti, M. Stangalini, S. Jafarzadeh et al.2023 · 6 citationsA&A 674, A109 (2023)
Slow Solar Wind Connection Science during Solar Orbiter's First Close Perihelion Passage2304.09570v2 · Stephanie L. Yardley, Christopher J. Owen, David M. Long et al.2023 · 12 citationsarXiv
Understanding the Relationship between Solar Coronal Abundances and F10.7 cm Radio Emission2304.02552v1 · Andy S.H. To, Alexander W. James, T. S. Bastian et al.2023 · 16 citationsarXiv
Magnetic fields inferred by Solar Orbiter: A comparison between SO/PHI-HRT and SDO/HMI2303.16771v1 · J. Sinjan, D. Calchetti, J. Hirzberger et al.2023 · 18 citationsA&A 673, A31 (2023)
The ratio of horizontal to vertical displacement in solar oscillations estimated from combined SO/PHI and SDO/HMI observations2303.16844v1 · J. Schou, J. Hirzberger, D. Orozco Su'arez et al.2023 · 3 citationsA&A 673, A84 (2023)
Observational Evidence of S-Web Source of the Slow Solar Wind2303.12192v1 · D. Baker, P. Demoulin, S.L. Yardley et al.2023 · 28 citationsarXiv
Changes of Magnetic Energy and Helicity in Solar Active Regions from Major Flares2211.09990v1 · Yang Liu, Brian T. Welsch, Gherardo Valori et al.2022 · 41 citationsarXiv
The on-ground data reduction and calibration pipeline for SO/PHI-HRT2208.14904v1 · J. Sinjan, D. Calchetti, J. Hirzberger et al.2022 · 5 citationsProc. SPIE 12189, Software and Cyberinfrastructure for Astronomy VII, 121891J (29 August 2022)
The magnetic drivers of campfires seen by the Polarimetric and Helioseismic Imager (PHI) on Solar Orbiter2202.13859v1 · F. Kahil, J. Hirzberger, S.K. Solanki et al.2022 · 47 citationsA&A 660, A143 (2022)
Disambiguation of Vector Magnetograms by Stereoscopic Observations from the Solar Orbiter/Polarimetric and Helioseismic Imager (PHI) and the Solar Dynamic Observatory (SDO)/Helioseismic and Magnetic Imager (HMI)2112.10650v1 · Gherardo Valori (1, Philipp Loschel, David Stansby et al.2021 · 17 citationsarXiv
Evolution of Plasma Composition in an Eruptive Flux Rope2110.11714v1 · Deborah Baker, Lucie M. Green, David H. Brooks et al.2021 · 12 citationsarXiv
On the Origin of Magnetic Pertubations associated with the FIP effect2108.11164v1 · M. Murabito, M. Stangalini, D. Baker et al.2021 · 14 citationsA&A 656, A87 (2021)
Magnetic helicity estimations in models and observations of the solar magnetic field. Part IV: Application to solar observations2108.08525v1 · J. K. Thalmann, M. K. Georgoulis, Y. Liu et al.2021 · 20 citationsarXiv
Localised acceleration of energetic particles by a weak shock in the solar corona2108.05068v1 · David M. Long, Hamish A. S. Reid, Gherardo Valori et al.2021 · 14 citationsarXiv
Plasma Upflows Induced by Magnetic Reconnection Above an Eruptive Flux Rope2106.16137v1 · Deborah Baker, Teodora Mihailescu, Pascal Demoulin et al.2021 · 7 citationsarXiv
Matching temporal signatures of solar features to their corresponding solar wind outflows2103.09077v1 · Diego de Pablos, David M. Long, Christopher J. Owen et al.2021 · 5 citationsarXiv
The Evolution of Plasma Composition During a Solar Flare2102.09985v1 · Andy S.H. To, David M. Long, Deborah Baker et al.2021 · 28 citationsarXiv
Spectropolarimetric fluctuations in a sunspot chromosphere.33342387 · Stangalini, M, Baker, D, Valori, G et al.2023 · 17 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2021;379(2190):20200216
Alfvenic Perturbations in a Sunspot Chromosphere Linked to Fractionated Plasma in the Corona2012.04308v1 · D. Baker (UCL/MSSL), M. Stangalini, G. Valori (UCL/MSSL) et al.2020 · 36 citationsarXiv
The Magnetic Environment of a Stealth Coronal Mass Ejection2012.03757v1 · Jennifer O'Kane, Cecilia Mac Cormack, Cristina H. Mandrini et al.2020 · 11 citationsarXiv
A new trigger mechanism for coronal mass ejections: the role of confined flares and photospheric motions in the formation of hot flux ropes2010.11204v2 · Alexander W James, Lucie M Green, Lidia van Driel-Gesztelyi et al.2020 · 2 citationsA&A 644, A137 (2020)
Study of the spatial association between an active region jet and a nonthermal type~ radio burst2009.14581v1 · Sargam M. Mulay, Rohit Sharma, Gherardo Valori et al.2020 · 0 citationsarXiv
Additivity of relative magnetic helicity in finite volumes2008.00968v1 · Gherardo Valori, Pascal D'emoulin, Etienne Pariat et al.2020 · 7 citationsA&A 643, A26 (2020)
Can Sub-photospheric Magnetic Reconnection Change the Elemental Composition in the Solar Corona?2003.03325v1 · Deborah Baker, Lidia van Driel-Gesztelyi, David H. Brooks et al.2020 · 23 citationsarXiv
Energy and helicity fluxes in line-tied eruptive simulations2003.01698v1 · Luis Linan, 'Etienne Pariat, Guillaume Aulanier et al.2020 · 9 citationsA&A 636, A41 (2020)
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