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Project Sentinel: Ultra-Narrowband SETI at Harvard/Smithsonian

Published online by Cambridge University Press:  04 August 2017

Paul Horowitz  and
John Forster
Paul Horowitz
Affiliation:
Department of Physics, Harvard University, Cambridge, MA 02138
John Forster
Affiliation:
P.O. Box 48, MIT Branch Post Office, Cambridge, MA 02139

Abstract

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We have been searching the northern sky for ultra-narrowband carriers of intelligent extraterrestrial origin at 21cm wavelength. The dual-polarization 65,536-channel receiver has a resolution bandwidth of 0.03Hz, matched to the Drake-Helou spreading of the interstellar medium. This maximizes signal/noise ratio, and simultaneously rejects carriers of terrestrial origin. The results of 15 months of observation are summarized.

Type
Section V. Radio Searches - Recent Observations
Information
Symposium - International Astronomical Union , Volume 112: The Search for Extraterrestrial Life: Recent Developments , 1985 , pp. 291 - 303
Copyright
Copyright © Reidel 1985