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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…
GRAVITY: The AO-Assisted, Two-Object Beam-Combiner Instrument
F. Eisenhauer, G. Perrin, S. Rabien +6
We present the proposal for the infrared adaptive optics (AO) assisted, two-object, high-throughput, multiple-beam-combiner GRAVITY for the VLTI. This instrument will be optimized…
The Arches Cluster - Evidence for a Truncated Mass Function?
Andrea Stolte, Wolfgang Brandner, Eva K. Grebel +2
We have analyzed high-resolution, adaptive optics (AO) HK observations of the Arches cluster obtained with NAOS/CONICA. With a spatial resolution of 84 mas, the cluster center is u…
A NICMOS Direct Imaging Search for Giant Planets around the Single White Dwarfs in the Hyades
S. Friedrich, H. Zinnecker, W. Brandner +2
We report preliminary results from our search for massive giant planets (6-12 Jupiter masses) around the known seven single white dwarfs in the Hyades cluster at sub-arcsec separat…