2 papers
astro-ph2005
Localizing Plages on BO Mic, First steps towards chromospheric Doppler imaging
U. Wolter, J. H. M. M. Schmitt
We have obtained a densely sampled time series of CaII H&K line profiles of the ultrafast rotating K-dwarf star BO Mic. Taken at high resolution, the spectra reveal pronounced vari…
astro-ph1999
Spectroscopic analysis of a super-hot giant flare observed on Algol by BeppoSAX on 30 August 1997
F. Favata, J. H. M. M. Schmitt
We present an X-ray observation of the eclipsing binary Algol, obtained with the BeppoSAX observatory. During the observation a huge flare was observed, exceptional both in duratio…