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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 27.

(upper) NICER 0.5–3 keV X-ray count rates and (lower) fractional exposure rates for each orbit of blocks 3–6 on 2022 April 10. Fractional exposure rate is the “FRACEXP” column of the lcurve outputs. The value is the live-time fraction for each time bin and takes values between zero and one after the deadtime correction with “LDEADTIME.” The corrected rate and errors in upper panels are calculated by dividing original values by “FRACEXP.”

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