[2606.27565] Searching for Extraterrestrial Intelligence with the SKA

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Astrophysics > Instrumentation and Methods for Astrophysics

arXiv:2606.27565 (astro-ph)

[Submitted on 25 Jun 2026]

Title:Searching for Extraterrestrial Intelligence with the SKA

Authors:Chenoa D. Tremblay, Alex Andersson, Joe Bright, Bárbara Cabrales, David DeBoer, Vishal Gajjar, Michael A. Garrett, Evan F. Keane, Dong-Jin Kim, Steve Prabu, Danny C. Price, Andrew P.V. Siemion, Sofia Z. Sheikh, Cyril Tasse, Philippe Zarka, Nathalie Cabrol, Joseph R. Callingham, Steve Croft, William Diamond, Jamie Drew, Kyran Grattan, S.Peter Worden<br>View a PDF of the paper titled Searching for Extraterrestrial Intelligence with the SKA, by Chenoa D. Tremblay and 21 other authors

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Abstract:The search for technosignatures (also known as the Search for Extraterrestrial Intelligence or SETI) depends critically on our ability to distinguish artificial signals from the rich complexity of natural astrophysical phenomena and radio frequency interference from anthropogenic emissions. As the search for technosignatures increasingly aligns with mainstream astrophysics, complementing the search for biosignatures, it demands not only sophisticated statistical and computational approaches, but also deep domain knowledge across the electromagnetic spectrum. The SKA will play a pivotal role in the next-generation of technosignature searches, providing an unprecedented combination of sensitivity, field of view, and spatial resolution over its wavelength range. Integrating wide-field, high-resolution observations with machine learning and multi-wavelength diagnostics will represent key steps forward. The SKA's singular capabilities will render it an indispensable instrument for the rapid identification and follow-up characterisation of promising technosignature candidates. In this chapter, we discuss the request for high temporal and spectral resolution data products with a main focus on frequency-domain SETI. Nevertheless, multiple SKA observing modes have the potential to substantially advance technosignature research.

Comments:<br>Published in Advancing Astrophysics with the SKAII(AASKAII), 2026(arXiv:2606.20366) Report No. AASKAII/Tremblay01

Subjects:

Instrumentation and Methods for Astrophysics (astro-ph.IM)

Report number:<br>AASKAII/Tremblay01

Cite as:<br>arXiv:2606.27565 [astro-ph.IM]

(or<br>arXiv:2606.27565v1 [astro-ph.IM] for this version)

https://doi.org/10.48550/arXiv.2606.27565

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arXiv-issued DOI via DataCite

Submission history<br>From: Chenoa Tremblay [view email]<br>[v1]<br>Thu, 25 Jun 2026 21:49:02 UTC (3,124 KB)

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