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Common Proper Motion Search for Faint Companions Around Early-Type Field Stars - Progress Report
Valentin D. Ivanov, G. Chauvin, C. Foellmi +5
The multiplicity of early-type stars is still not well established. The derived binary fraction is different for individual star forming regions, suggesting a connection with the a…
AB Doradus C: Age, Spectral Type, Orbit, and Comparison to Evolutionary Models
E. L. Nielsen, L. M. Close, J. C. Guirado +5
We expand upon the results of Close et al. 2005 regarding the young, low-mass object AB Dor C and its role as a calibration point for theoretical tracks. We present an improved spe…
VLT Diffraction Limited Imaging and Spectroscopy in the NIR: Weighing the black hole in Centaurus A with NACO
N. Haering-Neumayer, M. Cappellari, H. -W. Rix +4
We present high spatial resolution near-infrared spectra and images of the nucleus of Centaurus A (NGC 5128) obtained with NAOS-CONICA at the VLT. The adaptive optics corrected dat…
The cool atmospheres of the binary brown dwarf eps Indi B
M. F. Sterzik, E. Pantin, M. Hartung +7
We have imaged Indi B, the closest brown dwarf binary known, with VISIR at the VLT in three narrow-band mid-infrared bandpasses located around 8.6m, 10.5m and 11.3m. W…