Yearbook 2007

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Infrared interferometry of the enigmatic star η Carinae

Max Planck Institute for Radio Astronomy Driebe, Thomas; Hofmann, Karl-Heinz; Kraus, Stefan; Schertl, Dieter; Weigelt, Gerd
Observations with the Very Large Telescope Interferometer of the European Southern Observatory allowed the first spectro-interferometric studies of the enigmatic Luminous Blue Variable η Carinae with high spectral resolution [1]. The aim of this work was to study the opaque stellar wind of η Carinae with a high angular resolution of 5 milli-arcseconds. more
A new image of the inner jet of the radio galaxy M87 was produced in the Max-Planck-Institute for Radioastronomy. It is unprecedented in its combination of sensitivity and spatial resolution, providing details down to only three light months in size. It shows a highly collimated jet which appears limb-brightened and also a faint counter-jet which are analyzed within the framework of the current theoretical models. more
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