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Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. I. Discovery of Prominence Eruptions Associated with Superflares

  • Authors: Kosuke Namekata, Vladimir S. Airapetian, Pascal Petit, Hiroyuki Maehara, Kai Ikuta, Shun Inoue, Yuta Notsu, Rishi R. Paudel, Zaven Arzoumanian, Antoaneta A. Avramova-Boncheva, Keith Gendreau, Sandra V. Jeffers, Stephen Marsden, Julien Morin, Coralie Neiner, Aline A. Vidotto, Kazunari Shibata

Kosuke Namekata et al 2024 The Astrophysical Journal 961 .

  • Provider: AAS Journals

Caption: Figure 25.

X-ray (0.5–3 keV) light curves binned for each ISS orbit around superflares on 2022 April 16 (E2) and 2022 April 17 (E3). The gray points represent the data with a time resolution of 2 minutes, while the blue points correspond to the average of the gray data for each ISS orbit (∼90-minute period). The horizontal lines denote the pre-flare values. For flare E3, the average value of the previous orbit and the pre-flare value just before the flare are plotted.

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