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  1. The Solar X-ray Corona

    The X-ray emission from the Sun reveals a very dynamic hot atmosphere, the corona, which is characterized by a complex morphology and a broad range...
    Paola Testa, Fabio Reale in Handbook of X-ray and Gamma-ray Astrophysics
    Reference work entry 2024
  2. Photometric Flattening Index of the Solar Corona in the Solar Cycle

    Abstract

    The photometric flattening index as a quantitative characteristic of the shape of the solar corona observed during a total solar eclipse was...

    Article 17 June 2023
  3. The Sun’s Non-Potential Corona over Solar Cycle 24

    The global magnetic field in the solar corona is known to contain free magnetic energy and magnetic helicity above that of a current-free (potential)...

    Anthony R. Yeates in Solar Physics
    Article Open access 17 June 2024
  4. The Solar X-Ray Corona

    The X-ray emission from the Sun reveals a very dynamic hot atmosphere, the corona, which is characterized by a complex morphology and a broad range...
    Paola Testa, Fabio Reale in Handbook of X-ray and Gamma-ray Astrophysics
    Living reference work entry 2023
  5. Tomographic Reconstruction of the Solar K-Corona Using Neural Fields

    We explore the application of neural fields for tomographic reconstructions of the solar corona using data from the Large Angle and Spectrometric...

    Andrés Asensio Ramos in Solar Physics
    Article 20 November 2023
  6. Visible Emission Line Spectroscopy of the Solar Corona During the 2019 Total Solar Eclipse

    Spectroscopic measurements of the low solar corona are crucial to understanding the mechanisms that heat the corona and accelerate the solar wind,...

    Gabriel D. Muro, Matt Gunn, ... Huw Morgan in Solar Physics
    Article Open access 12 June 2023
  7. Polarimetric Study of the Solar Corona During the Total Solar Eclipse on July 2, 2019 with a Liquid-Crystal Polarimeter

    The results obtained during the total Solar Eclipse on July 2, 2019, in Chile are presented together with the Eclipse K-corona Polarimeter (EKPol)....

    Alessandro Liberatore, Joe Zender, ... Miguel Pérez-Ayúcar in Solar Physics
    Article 07 July 2023
  8. Observations of the Polarized Solar Corona During the Annular Eclipse of 14 October 2023

    We present results of a dual eclipse expedition to observe the solar corona from two sites during the annular solar eclipse of 14 October 2023 using...

    Daniel B. Seaton, Amir Caspi, ... Matthew J. West in Solar Physics
    Article Open access 10 June 2024
  9. Transverse energy injection scales at the base of the solar corona

    Alfvén wave turbulence models lie at the heart of many investigations into the winds and extreme-ultraviolet and X-ray emission from cool, solar-like...

    Rahul Sharma, Richard J. Morton in Nature Astronomy
    Article Open access 04 September 2023
  10. A model for heating the super-hot corona in solar active regions

    What physical mechanisms heat the outer solar or stellar atmosphere to million-kelvin temperatures is a fundamental but long-standing open question....

    Zekun Lu, Feng Chen, ... Xin Cheng in Nature Astronomy
    Article 08 April 2024
  11. Fe Ion Composition in Solar-Wind Streams in the Solar Corona and Heliosphere

    Abstract

    Analysis of the distributions of Fe ions over the stages of ionization in solar-wind (SW) plasma provides valuable information on the...

    F. F. Goryaev, V. A. Slemzin, ... Yu. S. Shugai in Cosmic Research
    Article 01 February 2023
  12. Five Solar Cycles of Solar Corona Investigations

    These are the memoirs of fifty years of research in solar physics, closely related to the history of three of the major solar space missions, from...

    Ester Antonucci in Solar Physics
    Article Open access 11 July 2022
  13. ICARUS: in-situ studies of the solar corona beyond Parker Solar Probe and Solar Orbiter

    The primary scientific goal of ICARUS (Investigation of Coronal AcceleRation and heating of solar wind Up to the Sun), a mother-daughter satellite...

    Vladimir Krasnoselskikh, Bruce T. Tsurutani, ... Andrei Fedorov in Experimental Astronomy
    Article Open access 01 December 2022
  14. Solar Cosmic Ray Acceleration by a Shock Wave in the Lower Solar Corona on May 7, 1978

    Abstract

    Based on the theory of diffusive shock acceleration of charged particles, we have theoretically studied the spectra of protons produced by a...

    Article 01 April 2023
  15. Spatial and Temporal Distribution of Solar Green-Line Corona for Solar Cycles 18 – 24

    The homogeneous coronal data set (HCDS) of the green corona (Fe xiv ) and the coronal index of solar activity (CI) have been used to study the...

    Jouni Takalo in Solar Physics
    Article Open access 13 September 2022
  16. Spectroradiometry of the Solar Corona on the RATAN-600

    Abstract

    Modern studies of solar radio emission are complicated by continuous power amplification and multifrequency external interference, which...

    V. M. Bogod, M. K. Lebedev, ... A. A. Storozhenko in Cosmic Research
    Article 01 February 2023
  17. Observations of the Solar F-Corona from Space

    We present a review of the observations of the solar F-corona from space with a special emphasis of the 25 years of continuous monitoring achieved by...

    P. L. Lamy, H. Gilardy, A. Llebaria in Space Science Reviews
    Article Open access 12 September 2022
  18. Defining the Middle Corona

    The middle corona, the region roughly spanning heliocentric distances from 1.5 to 6 solar radii, encompasses almost all of the influential physical...

    Matthew J. West, Daniel B. Seaton, ... Andrei N. Zhukov in Solar Physics
    Article Open access 14 June 2023
  19. A Comparative Analysis of Quasi-Periodic Processes in the Magnetospheric Current Sheet and the Current Sheets of the Solar Corona

    Abstract—

    Reconnection of magnetic field lines represents a universal process of releasing the stored energy of the magnetic field and its...

    I. V. Zimovets, A. S. Lukin, A. V. Artemiev in Cosmic Research
    Article 06 December 2022
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