Target Selection for Commensal SETI Surveys with Radio Telescope Arrays
From Jason Wright April 15th, 2021
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From Jason Wright April 15th, 2021
PSETI Seminar
Daniel Czech, Breakthrough Listen, UC Berkeley
April 15, 2021
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. 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 DR2 catalog. Given observations planned by MeerKAT’s primary telescope users, we discuss their effects on the commensal survey and propose a commensal observing strategy in response. We also outline our proposed approach toward observing one million nearby stars and analyze expected observing progress in the coming years.