PoS - Proceedings of Science
Volume 325 - Gravitational-waves Science&Technology Symposium (GRASS2018) - Gravitational wave Data Analysis: Strategies and Challenges
Matter ejection and kilonova emission from binary neutron star mergers
A. Perego
Full text: pdf
Pre-published on: August 23, 2018
Published on: October 23, 2018
The first detection of GWs from a binary neutron star merger (GW170817) marked the beginning of the multimessenger astronomy era. A few hours after the GW detection, the observation of an associated electromagnetic counterpart compatible with a kilonova/macronova emission remarkably confirmed our basic picture concerning the ejection of matter and the nucleosynthesis occurring in such a kind of events. At the same time, it gave a first demonstration of the power of a multimessenger analysis in exploiting binary compact mergers as laboratory of fundamental physics. In this contribution, we will present the status of kilonova/macronova modeling in terms
of the different ejection mechanisms, and of the associated r-process nucleosynthesis. We will show the impact of the variety of ejecta (both in terms of microphysical properties and spatial distributions) on the light curves, with a particular application to the case of GW170817. This modelling provides complementary information to the GW signal and is crucial to set multimessenger constraints, for example for the equation of state of nuclear matter.
DOI: https://doi.org/10.22323/1.325.0033
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.