20 citations · 20 across the 2 of their papers we have counts for
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VLT-detection of two edge-on Circumstellar Disks in the rho Oph dark cloud
W. Brandner, S. Sheppard, H. Zinnecker +7
Observations of the rho Ophiuchi star forming region with VLT ANTU and ISAAC under 0.35" seeing conditions reveal two bipolar reflection nebulosities intersected by central dust la…
Multiplicity of massive stars
Thomas Preibisch, Gerd Weigelt, Hans Zinnecker
We discuss the observed multiplicity of massive stars and implications on theories of massive star formation. After a short summary of the literature on massive star multiplicity,…
Triggered Star Formation in the Scorpius-Centaurus OB Association (Sco OB2)
Thomas Preibisch, Hans Zinnecker
We explore the star formation history of the Upper Scorpius OB association, the youngest part of Sco OB2. A wide field (160 square-degree) survey for low-mass pre-main sequence (PM…
Timescales of disk evolution and planet formation
W. Brandner, H. Zinnecker, J. M. Alcala +7
We present high-spatial resolution HST and adaptive optics observations, and high-sensitivity ISO (ISOCAM & ISOPHOT) observations of a sample of X-ray selected weak-line (WTTS) and…
Search for Binary Protostars
R. Launhardt, A. I. Sargent, H. Zinnecker
In an effort to shed more light on the formation process of binary stars, we have started a program to study multiplicity among nearby low- and intermediate-mass protostars using t…
Giant protostellar outflows revealed by infrared imaging
Thomas Stanke, Mark J. McCaughrean, Hans Zinnecker
We present new infrared data from a survey for embedded protostellar jets in the Orion A cloud. This survey makes use of the S(1) v = 1-0 line of molecular hydrogen at lambda = 2.1…