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All News

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Studying Lyman-α-galaxies with strong gravitational lensing

November 01, 2018
Strong gravitational lensing is an extremely powerful tool to go beyond the current limits in angular resolution and to investigate the high-redshift, i.e. distant Universe. Scientists at MPA take advantage of this phenomenon to perform a detailed study of 17 Lyman-α-galaxies and present an analysis of the sizes and star formation rates of their reconstructed ultra-violet (UV) continuum emission. [more]
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Hochsprung Award honours company founded on the basis of information field theory

October 17, 2018
Inspired by a lecture on information field theory, two former MPA PhD students founded the successful start-up IPT. Honouring this kind of knowledge transfer, both, the company founders and their former supervisor now received the Hochsprung Award presented by the Entrepreneurship Network of Bavarian Universities on October 17. [more]
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The formation of (very) slowly rotating stars

October 01, 2018
Some stars are observed to rotate with extremely long periods, the ‘slow rotation problem’. A theory developed at MPA now shows how the magnetic field of a star’s ‘birth cloud’ can cause some stars to accumulate mass without acquiring significant rotation. [more]
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The formation of the most diffuse giant galaxy cores in the Universe

September 01, 2018
Supermassive black holes (SMBH) of up to tens of billon solar masses are hiding in the centers of giant elliptical galaxies. At the same time, these galaxies have ‘missing’ nuclear light as the stellar densities at their cores are much lower than in other giant galaxies. A team of researchers at the University of Helsinki and the astronomical Max Planck Institutes in Garching have used a newly developed simulation technique to investigate the origin of this ‘missing’ light with realistic galaxy models. When two massive elliptical galaxies merge, many central stars are expelled during the final coalescence of the stellar nuclei and their SMBHs. This new model can explain the simultaneous formation of the most diffuse giant galaxy cores as well as other observed core properties such as decoupled rotation and anisotropic stellar velocity distributions. [more]
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A novel 3D technique to study the kinematics of lensed galaxies

August 01, 2018
Gravitational lensing offers the possibility to study faint, far-away galaxies. MPA researchers have now developed the first three dimensional lens modelling method, which allows not only the reconstruction of the mass distribution of the foreground galaxy but also the kinematics of the background galaxy. Consequently, the matter content can now be studied also in young galaxies.  [more]
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Kippenhahn Award for Aniket Agrawal and Jens Stücker

July 19, 2018
The 2018 MPA summer party was not only a special thank you to this year’s Biermann lecturer Alice Shapley, UCLA, but also the occasion to congratulate two junior MPA scientists to their Kippenhahn Awards. Aniket Agrawal was honoured for his paper on “Large tensor non-Gaussianity from axion-gauge field dynamics”. Jens Stücker received the award for his paper “The median density of the Universe”. [more]
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The 2018 Marcel Grossmann Award for Rashid Sunyaev

July 19, 2018
Professor Rashid Sunyaev, Director-emeritus of the Max-Planck-Institute for astrophysics has been awarded the 2018 Marcel Grossmann Award. [more]
 
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