Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984icar...60..675s&link_type=abstract
Icarus (ISSN 0019-1035), vol. 60, Dec. 1984, p. 675-684.
Astronomy and Astrophysics
Astronomy
8
Extraterrestrial Intelligence, Milky Way Galaxy, Project Seti, Astronomical Coordinates, Luminosity, Radio Astronomy
Scientific paper
In the present investigation, it is assumed that detectable extraterrestrial civilizations do exist and that microwave frequencies are a good choice for any first large-scale effort. The questions considered are related to the optimization of the choice of directions in the sky toward which the search for signals should be directed. The motivation for this investigation has been largely provided by the proposed microwave observing program for Search for Extraterrestrial Intelligence (SETI) developed by NASA. The observing program includes two parts. One is concerned with the employment of the largest radio antennas for an examination of the nearest approximately 1000 solar-like (FGK) stars, taking into account a resolution of 1 Hz and a great sensitivity. The second part is to involve a scan of the entire sky with a greatly reduced sensitivity. The current investigation is concerned with the suitability of this arrangement, giving attention to the possibility of a more promising search strategy. The merits of a number of approaches are discussed.
Mighell Kenneth J.
Sullivan Woodruff T. III
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