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astro-ph2006★ 38 cited
A brown dwarf desert for intermediate mass stars in Sco OB2?
M. B. N. Kouwenhoven, A. G. A. Brown, L. Kaper
We present JHK observations of 22 intermediate-mass stars in Sco OB2, obtained with VLT/NACO. The survey was performed to determine the status of (sub)stellar candidate companions…
astro-ph2004★ 174 cited
The Primordial Binary Population - I: A near-infrared adaptive optics search for close visual companions to A star members of Scorpius OB2
M. B. N. Kouwenhoven, A. G. A. Brown, H. Zinnecker +2
We present the results of a near-infrared adaptive optics survey with the aim to detect close companions to Hipparcos members in the three subgroups of the nearby OB association Sc…