Time-resolved UVES observations of a stellar flare on the planet host HD 189733 during primary transit

Context. HD 189733 is an exoplanetary system consisting of a transiting hot Jupiter and an active K2V-type main sequence star. Rich manifestations of a stellar activity, like photometric spots or chromospheric flares were repeatedly observed in this system in optical, UV and X-rays. Aims. We aim to...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2017-11, Vol.607, p.A66
Hauptverfasser:	Klocová, T., Czesla, S., Khalafinejad, S., Wolter, U., Schmitt, J. H. M. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Cores Extrasolar planets Gas giant planets K lines Photometry Planet detection Planetary atmospheres Planetary systems Soft x rays stars: activity stars: chromospheres stars: flare Stellar activity Stellar atmospheres Stellar evolution Stellar flares techniques: spectroscopic Transit
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