MeerKAT-meets-LOFAR: the multi-component halo in the extreme sloshing cluster Abell 2142
Riseley et al. (2024), A&A, in press; pre-print available via arXiv:2403.00414.
Dr. Christopher J. Riseley
I am a Research Fellow at Alma Mater Studiorum - Università di Bologna. My research involves using radio telescopes around the world to study clusters of galaxies. In particular, I am interested in answering several key science questions related to diffuse radio sources in clusters: the canonical relics, haloes, and mini-haloes, as well as all the weird and wonderful sources being discovered by the maturing Pathfinder and Precursor instruments for the Square Kilometre Array (SKA).
I specialise in long-wavelength radio astronomy, with a particular focus on exploring data from the LOw-Frequency ARray (LOFAR), the Murchison Widefield Array (MWA), the Australian Square Kilometre Array Pathfinder (ASKAP), and the MeerKAT telescope in South Africa.
Outside of my own research, I hold the role of MWA Principal Scientist, and I am a member of the Astronomical Society of Australia (ASA) Early Career Researcher (ECR) Chapter Steering Committee.
Curriculum Vitae
You can find my CV here (available in PDF form).
Recent Work
Here are a handful of recent publications in which I've been involved. For others, see my full publication list, available via the SAO/NASA Astrophysics Data System (ADS) at the link below.
MeerKAT-meets-LOFAR: the mini-halo in the disturbed cluster Abell 1413
Riseley et al. (2023), MNRAS, Volume 524, 6052; pre-print available via arXiv:2308.01464.
The complex merging cluster Abell 3266 seen by ASKAP
Riseley et al. (2022b), MNRAS, Volume 515, 1871; pre-print available via arXiv:2208.00395.
MeerKAT-meets-LOFAR: the mini-halo in the sloshing galaxy cluster MS1455.0+2232
Riseley et al. (2022a), MNRAS, Volume 512, 4210; pre-print available via arXiv:2112.07364.
Low-frequency Murchison Widefield Array study of the merging galaxy cluster Abell 3266
Duchesne et al. (2022), MNRAS, Volume 511, 3525; pre-print available via arXiv:2201.09629.
LOw-Frequency ARray (LOFAR) observations of the sloshing galaxy group NGC 507
Brienza et al. (2022), A&A, Volume 661, A92; pre-print available via arXiv:2201.04591.
Very Large Array (VLA) observations of the radio relic in the galaxy cluster MACSJ0717.5+3745
Rajpurohit et al. (2022), A&A, Volume 657, A2; pre-print available via arXiv:2109.15237.
My Work in the Media
Abell 3266: The Conversation (AU) ; ABC Science ; SPACE.COM ; VICE ; UniBo Magazine (Italiano)
Polarisation Stacking: The Conversation (AU) ; VICE ; ICRAR ; UniBo Magazine (Italiano)
My Media and Seminars
Interview from the MWA Ten-Year Anniversary Meeting:
Colloquium from the Galactic Fidelity Seminar Series:
Get In Touch
If you want to get in contact with me, you can use the details below or reach out via my social media.