Oskar Klein Centre

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Albanova building
    a cylindrical bundle of wires where the space between them can vary

    New VR research environment grant will focus on axions

    The Oskar Klein Centre and Stockholm University will become a hub for axion research beginning now in 2020 thanks to a new Research Environment grant from the Swedish Research Council. A theoretical particle so far, the axion was introduced to explain why the strong force works the same both backwards and forwards in time and is also considered a serious dark matter candidate. The discovery of a cosmic axion background, or the ability to rule it out, would be an important result for both Standard Model physics and dark matter searches.

    Black hole with jet emerging and shocks in the jet producing gamma-rays

    New observations shed light on most powerful explosions in the Universe

    Gamma-ray bursts arise from the most powerful explosions in the known Universe, and are linked to the birth of a black hole. New observations reveal that they are even more powerful than expected, and emit radiation at higher energies than previously known. The detections, made by two different ground-based telescopes, provide new insights into the mechanisms driving gamma-ray bursts.

    Close-up of the upper arc segment, containing six (complete or partial) images of the galaxy.

    Astronomers find galaxy revealing its innermost secrets – in 12 copies

    An international group of astronomers, led by Thøger Emil Rivera-Thorsen from the Oskar Klein Centre, have found a distant galaxy which has a rarely seen hole in its interstellar gas, allowing a direct view to the hot, massive stars at its very center. Luckily this galaxy is lensed by a foreground galaxy cluster and the resulting 12 images of the original galaxy can be studied in great detail.

    An image of Sheng Yang

    THE BLOG

    Interview with Sheng Yang

    Sheng is a postdoc in the SU Astronomy Department who is hunting for electromagnetic counterparts to gravitational wave sources. He's ready to start learning to make Swedish food.