Stockholm university

Research project The infrared view of supernovae from the James Webb Space Telescope

The James Webb Space Telescope will open up a new vista for supernova studies, in particular for their chemistry. This project serves to develop new theoretical models for molecular processes in supernova ejecta, to be able to interpret and analyse the new incoming data.

IR spectrum Supernovae
Computed mid-infrared spectra of a Type Ic supernova, including predicted signatures from various molecular bands. From Liljegren, Jerkstrand, Barklem, Nyman, Brady & Yurchenko, A&A 2022, in press. (https://arxiv.org/pdf/2203.07021.pdf)

The James Webb Space Telescope (JWST), a NASA/ESA/CSA joint venture scheduled for launch in 2018, will revolutionize our view of the Universe in the infrared. One of the key science areas will be the study of supernovae in the 1-27 micron range, opening up a window crucial to the study of these elemental factories in the late ,cool phase when we can diagnose nucleosynthesis content. My proposed research program concerns development of theoretical models needed to understand supernova emission in the infrared, and combine this with leading JWST observations. Building upon several years of state of the art supernova modelling, the program will take the necessary steps to implement the physics of molecules and dust that govern the infrared emission, and provide unique tools to constrain both the chemistry in the supernova and the implications for the atomic optical emission. This will link to an on-going program to systematically investigate the nucleosynthesis of supernovae and building the first empirically based theory for the origin of the elements.

Project members

Project managers

Anders Jerkstrand

Senior Researcher

Department of Astronomy
Photo: Jonas_Enander

Members

Anders Jerkstrand

Senior Researcher

Department of Astronomy
Photo: Jonas_Enander

Sofie Liljegren

Guest researcher

Department of Astronomy