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astro-ph2000
X-ray emission from young stars in the Tucanae association
B. Stelzer, R. Neuhaeuser
We report on X-ray emission from members of the recently discovered Tucanae association, a group of stars with youth signatures and similar space motion. The Tucanae association is…
astro-ph2000
Direct imaging search for planetary companions next to young nearby stars
R. Neuhaeuser, E. Guenther, W. Brandner +6
We report first results from our ground-based infrared imaging search for sub-stellar companions (brown dwarfs and giant planets) of young (up to 100 Myrs) nearby (up to 75 pc) sta…
astro-ph2000
X-ray emission from Lindroos binary systems
N. Huelamo, R. Neuhaeuser, B. Stelzer +2
We present a study of the X-ray emission from binary systems extracted from the Lindroos catalogue (Lindroos 1986) based on the ROSAT All-Sky survey as well as ROSAT PSPC and HRI p…