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Magnetic moment and plasma environment of HD 209458b as determined from Ly observations
K. G. Kislyakova, M. Holmström, H. Lammer +2
Transit observations of HD 209458b in the stellar Lyman- (Ly) line revealed strong absorption in both blue and red wings of the line interpreted as hydrogen atoms escaping fr…
A search for flares and mass ejections on young late-type stars in the open cluster Blanco-1
M. Leitzinger, P. Odert, R. Greimel +5
We present a search for stellar activity (flares and mass ejections) in a sample of 28 stars in the young open cluster Blanco-1. We use optical spectra obtained with ESO's VIMOS mu…
Stellar wind interaction and pick-up ion escape of the Kepler-11 "super-Earths"
K. G. Kislyakova, C. P. Johnstone, P. Odert +6
We study the interactions between stellar wind and the extended hydrogen-dominated upper atmospheres of planets and the resulting escape of planetary pick-up ions from the 5 "super…