Project ARGUS and the challenge of real-time all-sky SETI

Details Project ARGUS and the challenge of real-time all-sky SETI Project ARGUS and the challenge of real-time all-sky SETI

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997abos.conf..693s&link_type=abstract

Conference Paper, Astronomical and Biochemical Origins and the Search for Life in the Universe, IAU Colloquium 161, Publisher: B

Computer Science

Sound

Project Seti, Sky Surveys (Astronomy), Microwave Sounding, Radio Telescopes, Signal Detection, Real Time Operation, Astronomical Observatories, Satellite Antennas

Scientific paper

Project Argus, a global effort of the non-profit SETI League, Inc., seeks to achieve continuous microwave monitoring of all four pi steradians of space, in real time. This project will ultimately involve 5000 small radiotelescopes worldwide, built, maintained, and operated by private individuals (primarily radio amateurs and microwave experimenters), coordinated so as to miss no likely candidate signals, and providing independent verification of any interesting signals detected. Prototype stations went into operation in 1996; full sky coverage is planned for 2001. Sensitivity and range are assessed by comparison of current capabilities to those in place at the Ohio State Radio Observatory 19 years ago, when the so-called Wow signal was detected. The Wow signal serves as a convenient benchmark, even though its exact nature remains unknown. Should a similar candidate signal appear during the fully deployed phase of Project Argus, it will not evade detection. Though utilizing just a small satellite TV dish as its antenna, each station achieves range and sensitivity on a par with the Ohio State Big Ear radio telescope, circa 1977. This paper explores the technological breakthroughs which have made this level of performance possible.

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