20 citations · 22 across the 8 of their papers we have counts for
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VLT spectra of the companion candidate Cha Ha 5/cc 1
Ralph Neuhaeuser, Eike Guenther, Wolfgang Brandner
We obtained optical and infrared spectra of Cha Ha 5/cc 1, a faint possibly sub-stellar companion candidate next to the M6-type brown dwarf candidate Cha Ha 5 in Cha I, using FORS1…
The Mass Function of the Arches Cluster from Gemini Adaptive Optics Data
Andrea Stolte, Eva K. Grebel, Wolfgang Brandner +1
We present the mass function (MF) of the Arches cluster obtained from ground-based adaptive optics data in comparison with results derived from HST/NICMOS data. A MF slope of Gamma…
Imaging and spectroscopy of DENIS-P J104814-395606
Ralph Neuhaeuser, Eike Guenther, Joao Alves +8
We obtained deep H- and K-band images of DENIS-P J104814-395606 using SofI and the speckle camera SHARP-I at the ESO-3.5m-NTT as well as QUIRC at the Mauna Kea 2.2m telescope betwe…