The Breakthrough Listen Search for Intelligent Life: MeerKAT Target Selection
Daniel Czech, Howard Isaacson, Logan Pearce, Tyler Cox, Sofia Sheikh,, Bryan Brzycki, Sarah Buchner, Steve Croft, David DeBoer, Julia DeMarines,, Jamie Drew, Vishal Gajjar, Brian Lacki, Matt Lebofsky, David H. E. MacMahon,, Cherry Ng, Imke de Pater, Danny C. Price

TL;DR
This paper details a novel commensal SETI survey using MeerKAT, leveraging multicast Ethernet data streams to observe millions of objects simultaneously, aiming to enhance the search for extraterrestrial intelligence.
Contribution
It introduces a new commensal SETI survey method utilizing MeerKAT's Ethernet-based architecture and outlines a strategy to observe one million nearby stars efficiently.
Findings
Simultaneous processing of 64 coherent beams enables rapid survey coverage.
Selection of target sources based on Gaia DR2 catalog enhances search efficiency.
Proposed observing strategy maximizes use of primary telescope observations for SETI.
Abstract
New radio telescope arrays offer unique opportunities for large-scale commensal SETI surveys. Ethernet-based architectures are allowing multiple users to access telescope data simultaneously by means of multicast Ethernet subscriptions. Breakthrough Listen will take advantage of this by conducting a commensal SETI survey on the MeerKAT radio telescope in South Africa. By subscribing to raw voltage data streams, Breakthrough Listen will be able to beamform commensally anywhere within the field of view during primary science observations. The survey will be conducted with unprecedented speed by forming and processing 64 coherent beams simultaneously, allowing the observation of several million objects within a few years. Both coherent and incoherent observing modes are planned. We present the list of desired sources for observation and explain how these sources were selected from the Gaia…
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