Optical Search for Extraterrestrial Intelligence with Air Cerenkov Telescopes

Details Optical Search for Extraterrestrial Intelligence with Air Cerenkov Telescopes Optical Search for Extraterrestrial Intelligence with Air Cerenkov Telescopes

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001asbio...1..489e&link_type=abstract

Astrobiology, Volume 1, Issue 4, pp. 489-493.

Biology

6

Communication, Interstellar, Search For Extraterrestrial Intelligence, Instrumentation

Scientific paper

We propose using large Air Cerenkov telescopes (ACTs) to search for optical, pulsed signals from extraterrestrial intelligence. Such dishes collect tens of photons from a nanosecond-scale pulse of isotropic equivalent power of tens of solar luminosities at a distance of 100 pc. The field of view for giant ACTs can be on the order of 10 square degrees, and they will be able to monitor 10-100 stars simultaneously for nanosecond pulses of about 6th magnitude or brighter. Using the Earth's diameter as a baseline, orbital motion of the planet could be detected by timing the pulse arrivals.

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