Sub-kpc radio jets in the brightest central galaxy of the cool-core galaxy cluster RXJ1720.1+2638

Perrott, Yvette C; SM, Gopika; Edge, Alastair C; Grainge, Keith J B; Green, David A; Saunders, Richard D E

Abstract

The cool-core galaxy cluster RXJ1720.1+2638 hosts extended radio emission near the cluster core, known as a minihalo. The origin of this emission is still debated and one piece of the puzzle has been the question of whether the supermassive black hole in the brightest central galaxy is actively powering jets. Here, we present high-resolution e-MERLIN observations clearly indicating the presence of sub-kpc jets; this may have implications for the proposed origin of the minihalo emission, providing an ongoing source of relativistic electrons rather than a single burst sometime in the past, as previously assumed in simulations attempting to reproduce observational characteristics of minihalo-hosting systems.

Citation

Perrott, Y. C., SM, G., Edge, A. C., Grainge, K. J. B., Green, D. A., & Saunders, R. D. E. (2023). Sub-kpc radio jets in the brightest central galaxy of the cool-core galaxy cluster RXJ1720.1+2638. Monthly Notices of the Royal Astronomical Society: Letters, 520(1), L1-L4. https://doi.org/10.1093/mnrasl/slac160

• Journal Article Type: Article
• Acceptance Date: Dec 9, 2022
• Online Publication Date: Dec 19, 2022
• Publication Date: 2023-03
• Deposit Date: Jan 2, 2024
• Publicly Available Date: Jan 2, 2024
• Journal: Monthly Notices of the Royal Astronomical Society: Letters
• Electronic ISSN: 1745-3933
• Publisher: Oxford University Press
• Peer Reviewed: Peer Reviewed
• Volume: 520
• Issue: 1
• Pages: L1-L4
• DOI: https://doi.org/10.1093/mnrasl/slac160
• Public URL: https://durham-repository.worktribe.com/output/2078389