My paper on the topic of my PhD thesis is now published! You can find it on the website of the journal Astronomy & Astrophysics here: Blind source separation for decomposing X-ray pulsar profil...

X-ray Astronomy — Astrophysical Objects & Methods One of my main research focuses are X-ray binaries, where matter is transferred from a companion star to a compact object. If the compact obje...

I am an astrophysicist currently working as a postdoc at KTH Stockholm. My main interests up to and including my PhD, which I completed at the University of Tübingen, have been neutron stars as X-...

I am trying to learn Swedish and teach some German, and have recently spent some time creating Pingi, a penguin. It’s a fun little project. This is probably not the best way to view the files, but ...

The paper “Algorithms for Non-Negative Matrix Factorization (NMF) on Noisy Data With Negative Values” addresses a common problem in applying NMF to real astrophysical data: noisy and negative data....

The following are just some very loose notes on the paper “An aspherical distribution for the explosive burning ash of core-collapse supernovae”. Summary Successful Core Collapse Supernovae (CC...

As part of “Forskarlovet at Tekniska museet Oct 31 - Nov 2” (engl. “Research Holidays at the Museum of Technology”), a group of researchers from the Department of Astronomy at Stockholm University ...

Link to paper: “Extragalactic transient candidates in the Second Swift-XRT Point Source catalogue” Transient candidates with Swift-XRT The Neil Gehrels Swift Observatory X-ray telescope (Swift-XRT...

Link to paper: “Extragalactic fast X-ray transient candidates discovered by Chandra (2014–2022)” See also the related blog post on the previous paper “Extragalactic fast X-ray transient candidates...

Link to paper: “Extragalactic fast X-ray transient candidates discovered by Chandra (2000–2014)” Searching for fast X-ray transients Fast X-ray transients are sources that show flashes of X-ray em...