Guarcello, M. G. and Argiroffi, C. and Drake, J. J. and Flaccomio, E. and López-Santiago, J. and Micela, G. and Reale, F. and Rebull, L. and Sciortino, S. and Stauffer, J. and Antoniou, V. and Alvarado-Gómez, J. D. (2019) Simultaneous Kepler/K2 and XMM-Newton observations of superflares in the Pleiades. Astronomische Nachrichten, 340 (4). pp. 302-307. ISSN 0004-6337. doi:10.1002/asna.201913614. https://resolver.caltech.edu/CaltechAUTHORS:20190523-151701759
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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.
Item Type: | Article | ||||||||||||||||
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Additional Information: | © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Issue Online: 06 May 2019; Version of Record online: 25 March 2019; Manuscript accepted: 13 December 2018; Manuscript received: 30 August 2018. | ||||||||||||||||
Group: | Infrared Processing and Analysis Center (IPAC) | ||||||||||||||||
Subject Keywords: | stars: activity; stars: coronae; stars: flare; X‐rays: stars | ||||||||||||||||
Issue or Number: | 4 | ||||||||||||||||
DOI: | 10.1002/asna.201913614 | ||||||||||||||||
Record Number: | CaltechAUTHORS:20190523-151701759 | ||||||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190523-151701759 | ||||||||||||||||
Official Citation: | Guarcello, MG, Argiroffi, C, Drake, JJ, et al. Simultaneous Kepler/K2 and XMM‐Newton observations of superflares in the Pleiades. Astron. Nachr. 2019; 340: 302– 307. https://doi.org/10.1002/asna.201913614 | ||||||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||
ID Code: | 95769 | ||||||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||||||
Deposited By: | Tony Diaz | ||||||||||||||||
Deposited On: | 23 May 2019 22:27 | ||||||||||||||||
Last Modified: | 16 Nov 2021 17:15 |
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