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Candidate Identification and Interference Removal in SETI@home

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arxiv 1109.1595 v1 pith:5TCLER56 submitted 2011-09-07 astro-ph.IM

Eric J. Korpela , Jeff Cobb , Matt Lebofsky , Andrew Siemion , Joshua von Korff , Robert C. Bankay , Dan Werthimer , David Anderson (Space Sciences Laboratory
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University of California)
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classification astro-ph.IM
keywords homesetiinterferencesignalscomputersdataextraterrestrialpotential
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SETI@home, a search for signals from extraterrestrial intelligence, has been recording data at the Arecibo radio telescope since 1999. These data are sent via the Internet to the personal computers of volunteers who have donated their computers' idle time toward this search. To date, SETI@home volunteers have detected more than 4.2 billion potential signals. While essentially all of these potential signals are due to random noise processes, radio frequency interference (RFI), or interference processes in the SETI@home instrumentation, it is possible that a true extraterrestrial transmission exists within this database. Herein we describe the process of interference removal being implemented in the SETI@home post-processing pipeline, as well as those methods being used to identify candidates worthy of further investigation.

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  1. SETI@home: Data Analysis and Findings

    astro-ph.IM 2025-06 conditional novelty 6.0 of 10

    The SETI@home team describes its second-stage analysis: RFI removal, multiplet finding and scoring, birdie-injected sensitivity estimates, and the selection of 92 candidates for FAST reobservation.

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