Dr. Hannelore Hämmerle
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All News

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Neutron Stars on the Brink of Collapse

January 01, 2018
Neutron stars are the densest objects in the Universe; however, their exact characteristics remain unknown. Using recent observations and simulations, an international team of scientists including researchers at the Max Planck Institute for Astrophysics (MPA) has managed to narrow down the size of these stars. Thus the scientists were able to exclude a number of theoretical descriptions for the neutron star matter. [more]
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ERC Grant for Sherry Suyu: Cosmic Fireworks Première

December 04, 2017
Unravelling Enigmas of Type Ia Supernova Progenitors and Cosmology through Strong Lensing [more]
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Breakthrough Prize for WMAP

December 03, 2017
The WMAP science team has received the 2018 Breakthrough Prize in Fundamental Physics for detailed maps of the early universe that greatly improved our knowledge of the evolution of the cosmos and the fluctuations that seeded the formation of galaxies. The prize will be shared among the entire 27-member WMAP science team including Eiichiro Komatsu, director at the Max Planck Institute for Astrophysics in Garching. [more]
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LOFAR radio observations document rejuvenation in space

December 01, 2017
In observations of galaxy clusters, astronomers in collaboration with the MPA discovered a new class of cosmic radio sources. With the digital radio telescope Low Frequency Array (LOFAR) they received the longest radio waves that can be measured on Earth. They identified a remarkable "tail"behind a galaxy in the radio light, which must have been re-energized after it had faded away. In the journal Science Advances, the team describes this discovery, which either confirms a theoretical prediction on the interaction between shock waves and radio plasma or represents a novel phenomenon. [more]
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Bridging the Gap: From Massive Stars to Supernovae in 3D

November 01, 2017
A team of astrophysicists from Queen’s University Belfast, the Max Planck Institute for Astrophysics (MPA), and Monash University (Australia) has, for the first time, performed three-dimensional computer simulations that follow the evolution of a massive star from its final phase of nuclear burning, through the collapse of the stellar iron core, into the first seconds of the beginning explosion as a supernova. The simulations show that the large-scale violent convective motions that stir the oxygen burning layer at the onset of collapse can provide crucial support for the explosion of the star. [more]
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October 30, 2017
Dr. Eleonore Trefftz, Emeritus Scientific Member of the Max Planck Institute for Astrophysics, Garching, passed away on 22 October 2017 at the age of 97. With Eleonore Trefftz, the Max Planck Society loses a remarkable researcher and person. [more]
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Kippenhahn Award for two junior MPA scientists

October 24, 2017
Two junior MPA scientists receive the Kippenhahn Award for the best MPA student publication in 2016. Titouan Lazeyras receives the prize for his paper "Large-scale assembly bias of dark matter halos" which presents high-precision measurements of halo assembly bias. Dijana Vrbanec was awarded for her paper "Predictions for the 21 cm-galaxy cross-power spectrum observable with LOFAR and Subaru"; finding that a clear anti-correlation should be seen on scales larger than the typical separation distance between galaxy clusters. [more]
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