Candidate Identification and Interference Removal in SETI@home

Details Candidate Identification and Interference Removal in SETI@home Candidate Identification and Interference Removal in SETI@home

2011-09-07

arxiv.org/abs/1109.1595v1

Chapter 3 of "Communication with Extraterrestrial Intelligence (CETI)", Vakoch, D. A., ed., 37-44, SUNY Press, Albany, NY, USA

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

5 pages, including 1 figure, PDF generated by openoffice.org 3.3.0

Scientific paper

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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