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Related papers: The Heliophysics Coverage Registry: An integrated …

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The immense volume of data generated by the suite of instruments on SDO requires new tools for efficient identifying and accessing data that is most relevant to research investigations. We have developed the Heliophysics Events…

Instrumentation and Methods for Astrophysics · Physics 2012-01-23 N. Hurlburt , M. Cheung , C. Schrijver , L. Chang , S. Freeland , S. Green , C. Heck , A. Jaffey , A. Kobashi , D. Schiff , J. Serafin , R. Seguin , G. Slater , A. Somani , R. Timmons

The flux of cosmic rays (CRs) in the heliosphere is subjected to remarkable time variations caused by the 11-year cycle of solar activity. To help the study of this effect, we have developed a web application (Heliophysics Virtual…

Space Physics · Physics 2025-03-25 David Pelosi , Nicola Tomassetti , Matteo Duranti

Solar and Heliosphere physics are areas of remarkable data-driven discoveries. Recent advances in high-cadence, high-resolution multiwavelength observations, growing amounts of data from realistic modeling, and operational needs for…

Although vital for life on Earth, solar activity poses questions and increasing threats to humanity due to the Sun's unknown dynamics, intensified by our dependence on terrestrial and space-based infrastructure. This situation is compounded…

Space Physics · Physics 2025-01-06 Leonidas Askianakis

NASA's Interface Region Imaging Spectrograph (IRIS) provides high resolution observations of the solar atmosphere through UV spectroscopy and imaging. Since the launch of IRIS in June 2013, we have conducted systematic observation campaigns…

Understanding the generation and development of the continuous outflow from the Sun requires tracing the physical conditions from deep in the corona to the heliosphere. Detailed global observations of plasma state variables and the magnetic…

Solar and Stellar Astrophysics · Physics 2025-05-01 Yeimy J. Rivera , Samuel T. Badman

Filaments are very common physical phenomena on the Sun and are often taken as important proxies of solar magnetic activities. The study of filaments has become a hot topic in the space weather research. For a more comprehensive…

The next decade will be an exciting period for solar astrophysics, as new ground- and space-based instrumentation will provide unprecedented observations of the solar atmosphere and heliosphere. The synergy between modeling effort and…

Instrumentation and Methods for Astrophysics · Physics 2021-01-11 Serena Criscuoli , Maria Kazachenko , Irina Kitashvili , Alexander Kosovichev , Valentín Martínez Pillet , Gelu Nita , Viacheslav Sadykov , Alan Wray

The rapid growth of solar data is driving changes in the typical workflow and algorithmic approach to solar data analysis. We present recently deployed tools to aid this evolution and layout the path for future development. The majority of…

Instrumentation and Methods for Astrophysics · Physics 2018-07-02 Neal Hurlburt , Sam Freeland , Ryan Timmons

Solar flares are complicated physical phenomena that are observable in a broad range of the electromagnetic spectrum, from radiowaves to $\gamma$-rays. For a more comprehensive understanding of flares, it is necessary to perform a combined…

Solar and Stellar Astrophysics · Physics 2017-08-02 Viacheslav M Sadykov , Alexander G Kosovichev , Vincent Oria , Gelu M Nita

The flux of cosmic rays in the heliosphere is subjected to variations that are related to the Sun's magnetic activity. To study this effect, updated time series of multichannel observations are needed. Here we present a web application that…

Space Physics · Physics 2022-10-13 David Pelosi , Nicola Tomassetti , Matteo Duranti

Heliophysics is central to understanding and forecasting space weather events and solar activity. Despite decades of high-resolution observations from the Solar Dynamics Observatory (SDO), most models remain task-specific and constrained by…

Long-term high-cadence measurements of stellar spectral variability are fundamental to better understand stellar atmospheric properties and stellar magnetism. These, in turn, are fundamental for the detectability of exoplanets as well as…

Instrumentation and Methods for Astrophysics · Physics 2023-05-16 S. Criscuoli , L. Bertello , D. P. Choudhary , M. DeLand , G. Kopp , A. Kowalski , S. Marchenko , K. Reardon , A. A. Pevtsov , D. Tilipman

The Solar Dynamics Observatory (SDO), launched in 2010 as part of NASA's Living With a Star (LWS) program, represents a methodological transition in heliophysics: from identifying discrete solar events to characterizing the continuously…

Solar and Stellar Astrophysics · Physics 2026-05-25 Madhulika Guhathakurta

The great success of Helioseismology resides in the remarkable progress achieved in the understanding of the structure and dynamics of the solar interior. This success mainly relies on the ability to conceive, implement, and operate…

Solar and Stellar Astrophysics · Physics 2018-02-05 P. L. Palle , T. Appourchaux , J. Christensen-Dalsgaard , R. A. Garcia

The current fleet of space-based solar observatories offers us a wealth of opportunities to study solar flares over a range of wavelengths. Significant advances in our understanding of flare physics often come from coordinated observations…

Solar and Stellar Astrophysics · Physics 2018-02-14 Ryan O. Milligan , Jack Ireland

In high-resolution solar physics, the volume and complexity of photometric, spectroscopic, and polarimetric ground-based data significantly increased in the last decade reaching data acquisition rates of terabytes per hour. This is driven…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 C. Denker , C. Kuckein , M. Verma , S. J. González Manrique , A. Diercke , H. Enke , J. Klar , H. Balthasar , R. E. Louis , E. Dineva

The purpose of this white paper is to put together a coherent vision for the role of helioseismic monitoring of magnetic activity in the Sun's far hemisphere that will contribute to improving space weather forecasting as well as fundamental…

The Astronomical Observatory of the University of Coimbra has a huge collection of solar images, acquired daily since 1926. From the beginning, only spectroheliograms in the CaiiK line has been recorded, and since 1989 in the H_alpha line…

Solar and Stellar Astrophysics · Physics 2020-02-12 S. Carvalho , S. Gomes , T. Barata , A. Lourenco , N. Peixinho

This white paper advocates the importance of multi-height measurements of the vector magnetic field in the solar atmosphere. As briefly described in this document, these measurements are critical for addressing some of the most fundamental…

Instrumentation and Methods for Astrophysics · Physics 2022-09-13 L. Bertello , N. Arge , A. G. De Wijn , S. Gosain , C. Henney , K. D. Leka , J. Linker , Y. Liu , J. Luhmann , P. J. Macniece , G. Petrie , A. Pevtsov , A. A. Pevtsov
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