The Space Weather and Ultraviolet Solar Variability (SWUSV) Microsatellite Mission

Autor: Luc Damé, Mustapha Meftah, Alain Hauchecorne, Philippe Keckhut, Alain Sarkissian, Marion Marchand, Abdenour Irbah, Éric Quémerais, Slimane Bekki, Thomas Foujols, Matthieu Kretzschmar, Gaël Cessateur, Alexander Shapiro, Werner Schmutz, Sergey Kuzin, Vladimir Slemzin, Alexander Urnov, Sergey Bogachev, José Merayo, Peter Brauer, Kanaris Tsinganos, Antonis Paschalis, Ayman Mahrous, Safinaz Khaled, Ahmed Ghitas, Besheir Marzouk, Amal Zaki, Ahmed A. Hady, Rangaiah Kariyappa

Publikováno v: Journal of Advanced Research, Vol 4, Iss 3, Pp 235-251 (2013)

We present the ambitions of the SWUSV (Space Weather and Ultraviolet Solar Variability) Microsatellite Mission that encompasses three major scientific objectives: (1) Space Weather including the prediction and detection of major eruptions and coronal

Externí odkaz: https://doaj.org/article/48da8f43380e4facb46aa583409817b5

Origin of the Solar Rotation Harmonics Seen in the EUV and UV Irradiance

Autor: Gabriel Giono, Rangaiah Kariyappa, Joe Zender, Luc Damé

Publikováno v: Solar Physics
Solar Physics, Springer Verlag, 2021, 296, pp.172. ⟨10.1007/s11207-021-01918-x⟩

Long-term periodicities in the solar irradiance are often observed with periods proportional to the solar rotational period of 27 days. These periods are linked either to some internal mechanism in the Sun or said to be higher harmonics of the rotati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcdd729019c7cc3deab07f4e4eeb71ad
https://doi.org/10.1007/s11207-021-01918-x

Solar Soft X-ray Irradiance Variability, I: Segmentation of Hinode/XRT Full-Disk Images and Comparison with GOES (1 – 8 Å) X-Ray Flux

Autor: Giono Gabriel, Rangaiah Kariyappa, Luc Damé, Imada Shinsuke, Mark Weber, Joe Zender, H. N. Adithya, Edward E. DeLuca, Kusano Kanya

Publikováno v: Solar Physics
Solar Physics, Springer Verlag, 2021, 296 (4), pp.art. 71. ⟨10.1007/s11207-021-01785-6⟩

It is of great interest and importance to study the variabilities of solar EUV, UV and X-ray irradiance in heliophysics, in Earth’s climate, and space weather applications. A careful study is required to identify, track, monitor and segment the dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e84bcae6bf5546146c7938ee3582090
https://hal-insu.archives-ouvertes.fr/insu-03203005

Segmentation of photospheric magnetic elements corresponding to coronal features to understand the EUV and UV irradiance variability

Autor: Véronique Delouille, Luc Damé, S. T. Kumara, Joe Zender, Gabriel Giono, Jean-François Hochedez, Matthias Bergmann, Rangaiah Kariyappa

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2017, 605, A41 (11p.). ⟨10.1051/0004-6361/201629924⟩
Astronomy and Astrophysics-A&A, 2017, 605, A41 (11p.). ⟨10.1051/0004-6361/201629924⟩

Context. The magnetic field plays a dominant role in the solar irradiance variability. Determining the contribution of various magnetic features to this variability is important in the context of heliospheric studies and Sun-Earth connection. Aims. W

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ada46f6466271bb85f0c9cd01ac7ba3
https://hal-insu.archives-ouvertes.fr/insu-01659757/document