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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28843
Title: Simultaneous Kepler/K2 and XMM-Newton observations of superflares in the Pleiades
Authors: GUARCELLO, Mario Giuseppe 
Argiroffi, Costanza 
Drake, J. J.
FLACCOMIO, Ettore 
López-Santiago, J.
MICELA, Giuseppina 
Reale, Fabio 
Rebull, L.
SCIORTINO, Salvatore 
Stauffer, J.
Antoniou, V.
Alvarado-Gomez, J. D.
Issue Date: 2019
Journal: ASTRONOMISCHE NACHRICHTEN 
Number: 340
Issue: 4
First Page: 302
Abstract: Together with coronal mass ejection, flares are the most energetic stellar magnetic events, ignited by a sudden release of magnetic energy, which triggers a cascade of interconnected phenomena, each resulting in emission in different bands. For this reason, flares are intrinsic multiwavelength phenomena. In particular, optical and soft X-ray emission probes two different events occurring during flares: the heating of plasma in the upper photosphere at the footpoints of the magnetic loops and the heating and cooling of the plasma confined in the loops in the corona, respectively. To characterize powerful flares observed in optical and X-rays, constrain the energy released in both bands, the geometry of the loops, and to study flares time evolution, we studied the brightest flares occurred in the 125-Myr-old stars in the Pleiades observed simultaneously with x-ray multi-mirror mission/Newton and Kepler/K2.
Note: Proceeding of a contributed talk given at the meeting: "TIME-DOMAIN ASTRONOMY: A HIGH ENERGY VIEW" held at ESAC, Madrid, 13 - 15 JUNE 2018
URI: http://hdl.handle.net/20.500.12386/28843
ISSN: 0004-6337
DOI: 10.1002/asna.201913614
Bibcode ADS: 2019AN....340..302G
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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