Showing 2004Show all
3 papers · 1 filter
astro-ph2004
BS Indi: An enigmatic object
E. W. Guenther, E. Covino, J. M Alcala +2
BS Ind is a young K0V star in the Tucana association. Photometric observations with the Hipparcos satellite show an eclipse-like light-curve with primary and secondary eclipse. The…
astro-ph2004
Multiwavelength study of X-ray emitting A- and B-stars testing the companion hypothesis
B. Stelzer, N. Huelamo, S. Hubrig +3
We report on the first results of a multi-wavelength approach to test the hypothesis that the X-ray emission from intermediate-mass stars is generated by late-type magnetically act…
astro-ph2004
A direct imaging search for wide (sub)stellar companions around rad-vel planet host stars
M. Mugrauer, R. Neuhäuser, T. Mazeh +3
We present an overview of our ongoing systematic search for wide (sub)stellar companions around the stars known to host rad-vel planets. By using a relatively large field of view a…