Contact

All Stories

  1. Relativistic electron acceleration at the bow shock of Jupiter and beyond

    Article • Nature, June 2026, Springer Science + Business Media

    Savvas Raptis

  2. Comparing Solar Structure Detection Methods in SDO/AIA Observations and the Application to Raw Uncalibrated Data

    Article • Journal of Geophysical Research Machine Learning and Computation, May 2026, American Geophysical Union (AGU)

    Savvas Raptis

  3. State of the Early Career Profession in Space Physics and Aeronomy: Climatological Survey Results

    Article • Journal of Geophysical Research Space Physics, April 2026, American Geophysical Union (AGU)

    Savvas Raptis

  4. Compressive Structures in the Foreshock of Collisionless Shocks

    Article • The Astrophysical Journal Letters, March 2026, American Astronomical Society

    Heli Hietala, Savvas Raptis

  5. Automated Identification of Foreshock Transients

    Article • March 2026, Copernicus GmbH

    Savvas Raptis

  6. Multipoint analysis of interplanetary shocks with 6-point observatories around Sun-Earth L

    Article • March 2026, Copernicus GmbH

    Savvas Raptis

  7. Solar Magnetic Configuration Control over Radiation Belt Electrons

    Article • March 2026, Copernicus GmbH

    Savvas Raptis

  8. Universal energy limits of radiation belts in planetary and brown dwarf magnetospheric systems

    Article • Science Advances, March 2026, American Association for the Advancement of Science

    Savvas Raptis

  9. Relationship Between Magnetosheath ULF Waves and Ground‐Based Pc3‐4 Waves: A Statistical Study

    Article • Journal of Geophysical Research Space Physics, March 2026, American Geophysical Union (AGU)

    Savvas Raptis

  10. Energy Partition at a Collisionless Supercritical Quasi‐Parallel Shock

    Article • Journal of Geophysical Research Space Physics, February 2026, American Geophysical Union (AGU)

    Savvas Raptis

  11. Statistical Characteristics of Stormtime Bursty Bulk Flows

    Article • Geophysical Research Letters, February 2026, American Geophysical Union (AGU)

    Savvas Raptis

  12. State of the Early Career Profession in Space Physics and Aeronomy: Climatological Survey Results

    Article • February 2026, Wiley

    Savvas Raptis

  13. Reconstructing the Geometry of a Hot Flow Anomaly With Bounding Jets in Magnetosheath

    Article • Geophysical Research Letters, January 2026, American Geophysical Union (AGU)

    Savvas Raptis

  14. The Correlation Function for Magnetic Field Fluctuations at Ion Dissipation Scales in the Solar Wind

    Article • December 2025, Wiley

    Savvas Raptis

  15. Stormtime Magnetospheric Processes Associated With the Dawnside Current Wedge

    Article • Journal of Geophysical Research Space Physics, December 2025, American Geophysical Union (AGU)

    Savvas Raptis

  16. The Correlation Function for Magnetic Field Fluctuations at Ion Dissipation Scales in the Solar Wind

    Article • Journal of Geophysical Research Space Physics, December 2025, American Geophysical Union (AGU)

    Savvas Raptis

  17. Energy Conversion and Exchange in a Magnetosheath Jet

    Article • Journal of Geophysical Research Space Physics, November 2025, American Geophysical Union (AGU)

    Savvas Raptis

  18. A Comparison of Modeled and Observed Dayside Bow Shock Locations in 8 Years of MMS Data

    Article • Journal of Geophysical Research Space Physics, October 2025, American Geophysical Union (AGU)

    Savvas Raptis

  19. Automated Bow Shock Identification and Multi‐Spacecraft Timing Using Magnetospheric Multiscale (MMS) Observations

    Article • Journal of Geophysical Research Space Physics, October 2025, American Geophysical Union (AGU)

    Savvas Raptis

  20. On the Spatial Relationship Between the Aurora and Relativistic Electron Precipitation During a Storm‐Time Substorm

    Article • Geophysical Research Letters, September 2025, American Geophysical Union (AGU)

    Savvas Raptis

  21. Statistical Relationship Between Foreshock ULF Wave Power and Ground‐Based Pc3‐4 Wave Power

    Article • Journal of Geophysical Research Space Physics, August 2025, American Geophysical Union (AGU)

    Savvas Raptis

  22. Fermi Acceleration of Electrons at Earth's Bow Shock Due To Current Sheet Interaction

    Article • Journal of Geophysical Research Space Physics, August 2025, American Geophysical Union (AGU)

    Heli Hietala, Savvas Raptis

  23. The Correlation Function for Magnetic Field Fluctuations at Ion Dissipation Scales in the Solar Wind

    Article • August 2025, Wiley

    Savvas Raptis

  24. Role of ULF Waves in Reforming the Martian Bow Shock

    Article • AGU Advances, July 2025, American Geophysical Union (AGU)

    Savvas Raptis

  25. Automated Classification of MESSENGER Plasma Observations via Unsupervised Transfer Learning

    Article • July 2025, Wiley

    Savvas Raptis

  26. Multipoint observations of an atypical coronal mass ejection from Earth to Mars informed by early Europa Clipper data

    Article • July 2025, Copernicus GmbH

    Savvas Raptis

  27. Interplay Between a Foreshock Bubble and a Hot Flow Anomaly Forming Along the Same Rotational Discontinuity

    Article • Geophysical Research Letters, June 2025, American Geophysical Union (AGU)

    Savvas Raptis

  28. Control of Solar Wind on Magnetic Field Fluctuations in the Subsolar Magnetosheath

    Article • Journal of Geophysical Research Space Physics, June 2025, American Geophysical Union (AGU)

    Savvas Raptis

  29. Ground Magnetic Response to an Extraordinary IMF BY Flip During the May 2024 Storm: Travel Time From the Magnetosheath to Dayside High Latitudes

    Article • Journal of Geophysical Research Space Physics, May 2025, American Geophysical Union (AGU)

    Savvas Raptis

  30. What is the relationship between the aurora and relativistic electron precipitation during a storm-time substorm?

    Article • April 2025, Wiley

    Savvas Raptis

  31. Morphology of magnetic holes: Methodology and case studies

    Article • April 2025, Wiley

    Savvas Raptis

  32. Magnetosheath Jet‐Triggered ULF Waves: Energy Deposition in the Ionosphere

    Article • Journal of Geophysical Research Space Physics, April 2025, American Geophysical Union (AGU)

    Savvas Raptis

  33. Magnetosheath Restructuring by Shock-Discontinuity Interaction

    Article • March 2025, Copernicus GmbH

    Savvas Raptis

  34. Revealing an unexpectedly low electron injection threshold via reinforced shock acceleration

    Article • March 2025, Copernicus GmbH

    Savvas Raptis

  35. Understanding stormtime geospace as a complex, coupled system: Recent progress from the Center for Geospace Storms

    Article • March 2025, Copernicus GmbH

    Savvas Raptis

  36. Morphology of magnetic holes: Methodology and case studies

    Article • March 2025, Wiley

    Savvas Raptis

  37. Multimission Observations of Relativistic Electrons and High-speed Jets Linked to Shock-generated Transients

    Article • The Astrophysical Journal Letters, February 2025, American Astronomical Society

    Savvas Raptis

  38. Evaluating the magnetic and plasma flux transport in the plasma sheet during geomagnetic storms using MMS

    Article • January 2025, Copernicus GmbH

    Savvas Raptis

  39. Heliophysics Applications on Education and Research using Cloud Computing

    Article • January 2025, Copernicus GmbH

    Savvas Raptis

  40. Hot Flow Anomalies Delimiting Traveling Foreshocks

    Article • January 2025, Copernicus GmbH

    Savvas Raptis

  41. Magnetosheath jets at jupiter and across the solar system

    Article • January 2025, Copernicus GmbH

    Savvas Raptis

  42. Solar Wind Structures Impacting the Plasma Stability and Ion Energy Distribution Downstream of the Terrestrial Bow Shock

    Article • January 2025, Copernicus GmbH

    Savvas Raptis

  43. How do relativistic electrons form at shocks?

    Article • Nature Communications, January 2025, Springer Science + Business Media

    Savvas Raptis

  44. Revealing an Unexpectedly Low Electron Injection Threshold via Reinforced Shock Acceleration

    Article • November 2024, Springer Science + Business Media

    Savvas Raptis

  45. Automated Classification of MESSENGER Plasma Observations via Unsupervised Transfer Learning

    Article • November 2024, Authorea, Inc.

    Savvas Raptis

  46. On the Formation of Super-Alfvénic Flows Downstream of Collisionless Shocks

    Article • The Astrophysical Journal, November 2024, American Astronomical Society

    Savvas Raptis

  47. Plasma Sheet Magnetic Flux Transport During Geomagnetic Storms

    Article • Geophysical Research Letters, September 2024, American Geophysical Union (AGU)

    Savvas Raptis

  48. Classifying 8 Years of MMS Dayside Plasma Regions via Unsupervised Machine Learning

    Article • Journal of Geophysical Research Space Physics, June 2024, American Geophysical Union (AGU)

    Savvas Raptis

  49. Temporal Evolution of O+ Population in the Near‐Earth Plasma Sheet During Geomagnetic Storms as Observed by the Magnetospheric Multiscale Mission

    Article • Journal of Geophysical Research Space Physics, April 2024, American Geophysical Union (AGU)

    Savvas Raptis

  50. The Effect of Fast Solar Wind on Ion Distribution Downstream of Earth’s Bow Shock

    Article • The Astrophysical Journal Letters, March 2024, American Astronomical Society

    Savvas Raptis

  51. Electron Acceleration at Earth's Bow Shock Due to Stochastic Shock Drift Acceleration

    Article • Geophysical Research Letters, February 2024, American Geophysical Union (AGU)

    Savvas Raptis

  52. Magnetosheath jets at Jupiter and across the solar system

    Article • Nature Communications, January 2024, Springer Science + Business Media

    Savvas Raptis

  53. Velocity of magnetic holes in the solar wind from Cluster multipoint measurements

    Article • Annales Geophysicae, August 2023, Copernicus GmbH

    Savvas Raptis

  54. MMS Observation of Two‐Step Electron Acceleration at Earth's Bow Shock

    Article • Geophysical Research Letters, August 2023, American Geophysical Union (AGU)

    Savvas Raptis

  55. Electron acceleration mechanisms at Earth’s quasi-perpendicular bow shock

    Article • May 2023, Copernicus GmbH

    Savvas Raptis

  56. Morphology case study of magnetic holes in the pristine solar wind

    Article • May 2023, Copernicus GmbH

    Savvas Raptis

  57. Velocity distribution functions and non‐Maxwellianity of magnetosheath jets using MMS

    Article • May 2023, Copernicus GmbH

    Savvas Raptis

  58. Velocity of magnetic holes in the solar wind from cluster multipoint measurements

    Article • February 2023, Copernicus GmbH

    Savvas Raptis

  59. Solar wind magnetic holes can cross the bow shock and enter the magnetosheath

    Article • Annales Geophysicae, December 2022, Copernicus GmbH

    Savvas Raptis

  60. Dynamics of Earth's bow shock under near-radial interplanetary magnetic field conditions

    Article • Physics of Plasmas, November 2022, American Institute of Physics

    Savvas Raptis

  61. On Magnetosheath Jet Kinetic Structure and Plasma Properties

    Article • Geophysical Research Letters, October 2022, American Geophysical Union (AGU)

    Savvas Raptis

  62. Solar wind magnetic holes can cross the bow shock and enter the magnetosheath

    Article • September 2022, Copernicus GmbH

    Savvas Raptis

  63. Solar wind magnetic holes can cross the bow shock and enter the magnetosheath

    Article • July 2022, Wiley

    Savvas Raptis

  64. Electron Kinetic Entropy across Quasi-Perpendicular Shocks

    Article • Entropy, May 2022, MDPI AG

    Savvas Raptis

  65. Morphology of magnetic holes in the pristine solar wind

    Article • March 2022, Copernicus GmbH

    Savvas Raptis

  66. Electron Kinetic Entropy Generation at Quasi-perpendicular Collisionless Shocks: Dependence on Shock Parameters

    Article • March 2022, Copernicus GmbH

    Savvas Raptis

  67. High-speed Magnetosheath Jet Generation due to Shock Reformation

    Article • March 2022, Copernicus GmbH

    Savvas Raptis

  68. On the Generation of Pi2 Pulsations due to Plasma Flow Patterns Around Magnetosheath Jets

    Article • March 2022, Copernicus GmbH

    Savvas Raptis

  69. Causes of jets in the quasi-perpendicular magnetosheath

    Article • March 2022, Copernicus GmbH

    Savvas Raptis

  70. Author Correction: Downstream high-speed plasma jet generation as a direct consequence of shock reformation

    Article • Nature Communications, February 2022, Springer Science + Business Media

    Savvas Raptis

  71. How solar wind particles slip through Earth's magnetic field

    Article • Nature Communications, February 2022, Springer Science + Business Media

    Savvas Raptis

  72. Electron kinetic entropy across quasi-perpendicular 1 shocks

    Article • October 2021, Wiley

    Savvas Raptis

  73. Downstream Super-magnetosonic Plasma Jet Generation as a Direct Consequence of Shock Reformation

    Article • September 2021, Research Square

    Savvas Raptis

  74. Classifying the Magnetosheath Behind the Quasi‐Parallel and Quasi‐Perpendicular Bow Shock by Local Measurements

    Article • Journal of Geophysical Research Space Physics, September 2021, American Geophysical Union (AGU)

    Savvas Raptis

  75. Solar wind magnetic holes can cross the bow shock and enter the magnetosheath

    Article • August 2021, Wiley

    Savvas Raptis

  76. On the Generation of Pi2 Pulsations due to Plasma Flow Patterns Around Magnetosheath Jets

    Article • Geophysical Research Letters, August 2021, American Geophysical Union (AGU)

    Savvas Raptis

  77. Causes of Jets in the Quasi‐Perpendicular Magnetosheath

    Article • Geophysical Research Letters, July 2021, American Geophysical Union (AGU)

    Savvas Raptis

  78. On the generation of Pi2 pulsations due to plasma flow patterns around magnetosheath jets

    Article • April 2021, Wiley

    Savvas Raptis

  79. Magnetosheath jet evolution as a function of lifetime: global hybrid-Vlasov simulations compared to MMS observations

    Article • Annales Geophysicae, March 2021, Copernicus GmbH

    Savvas Raptis

  80. Fast Plasma Flows Downstream of the Bow Shock Using MMS: Correlations and Generation Mechanisms

    Article • March 2021, Copernicus GmbH

    Savvas Raptis

  81. Magnetosheath jet evolution as a function of lifetime: Global hybrid-Vlasov simulations compared to MMS observations

    Article • March 2021, Copernicus GmbH

    Savvas Raptis

  82. Solar Energetic Particle Event occurrence prediction using Solar Flare Soft X-ray measurements and Machine Learning

    Article • Journal of Space Weather and Space Climate, January 2021, EDP Sciences

    Savvas Raptis

  83. Classifying Magnetosheath Jets Using MMS: Statistical Properties

    Article • Journal of Geophysical Research Space Physics, November 2020, American Geophysical Union (AGU)

    Savvas Raptis

  84. Helium in the Earth's foreshock: a global Vlasiator survey

    Article • Annales Geophysicae, October 2020, Copernicus GmbH

    Savvas Raptis

  85. Classifying Magnetosheath Jets using MMS - Statistical Properties

    Article • October 2020, Wiley

    Savvas Raptis

  86. Magnetosheath jet evolution as a function of lifetime: Global hybrid-Vlasov simulations compared to MMS observations

    Article • July 2020, Copernicus GmbH

    Savvas Raptis

  87. Supplementary material to "Magnetosheath jet evolution as a function of lifetime: Global hybrid-Vlasov simulations compared to MMS observations"

    Article • July 2020, Copernicus GmbH

    Savvas Raptis

  88. Classification of Magnetosheath Jets Using Neural Networks and High Resolution OMNI (HRO) Data

    Article • Frontiers in Astronomy and Space Sciences, June 2020, Frontiers

    Savvas Raptis

  89. Classifying Magnetosheath Jets using MMS - Statistical Properties

    Article • April 2020, Wiley

    Savvas Raptis

  90. Current sheets and waves inside magnetosheath jets

    Article • March 2020, Copernicus GmbH

    Savvas Raptis

  91. First Evidence of Flux Transfer Events Caused by Mangetosheath Jets

    Article • March 2020, Copernicus GmbH

    Savvas Raptis

  92. Current Sheet Statistics in the Magnetosheath

    Article • Frontiers in Astronomy and Space Sciences, February 2020, Frontiers

    Savvas Raptis

  93. Classifying Magnetosheath Jets using MMS - Statistical Properties

    Article • December 2019, Wiley

    Savvas Raptis