cold ultra-dense matter tagged posts

Neutron star mass and radius measurements from atmospheric model fits to X-ray burst cooling tail spectra. Astronomy & Astrophysics, 2017; DOI: 10.1051/0004-6361/201731082

Neutron stars are made out of cold ultra-dense matter. How this matter behaves is one of the biggest mysteries in modern nuclear physics. Researchers developed a new method for measuring the radius of neutron stars which helps them to understand what happens to the matter inside the star under extreme pressure. A new method for measuring neutron star size was developed in a study led by a high-energy astrophysics research group at the University of Turku, Finland. The method relies on modelling how thermonuclear explosions taking place in the uppermost layers of the star emit X-rays to us...