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Discovery of a Very Low-Mass Binary with HST/NICMOS
E. L. Martin, G. Basri, W. Brandner +7
Hubble Space Telescope NICMOS observations are presented of six brown dwarf candidates in the Pleiades open cluster. One of them, namely CFHT-Pl-18, is clearly resolved as a binary…
Kinematics of T Tauri stars in Chamaeleon
Sabine Frink, Siegfried Roeser, Juan M. Alcala +2
We study the kinematics of T Tauri stars (TTS) located in the cores of the Chamaeleon clouds as well as far off these clouds. Our sample comprises 2 early type stars known to be re…
Star formation environments and the distribution of binary separations
Wolfgang Brandner, Rainer Koehler
We have carried out K-band speckle observations of a sample of 114 X-ray selected weak-line T Tauri stars in the nearby Scorpius-Centaurus OB association. We find that for binary T…