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“Neutron star mergers as cosmic factories of heavy elements"
Thursday, 08 April 2021
Video-Recording for any system with MP4-support
- Video.mp4 (ca.359 Mb)
- Video_with_eng_sub.mp4 (ca. 366 Mb)
15:15 – 16:30
Neutron star mergers had long been suspected to produce gravitational waves,
gamma ray bursts and -by some- to produce heavy "rapid neutron capture" or
"r-process" elements. While overall convincing, all these conjectures were only
based on indirect arguments and none was proven by direct observations.
This changed on August 17, 2017: a gravitational wave signal from a merging
neutron star binary was detected, closely followed by a short burst of gamma-rays
and week-long transients across the electromagnetic spectrum coming from the
radioactive decay of freshly synthesised r-process elements.
In this talk I will give an overview over neutron star mergers, their roles as
precious laboratories for (astro-)physics and I will focus in particular on their role
for the production of heavy elements.
Speaker today: Stephan Rosswog
(Department of Astronomy, Stockholm University; The Oskar Klein Centre for Cosmoparticle Physics)
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