The first SETI observations with the Allen telescope array

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The first SETI observations with the Allen telescope array

Tarter, Jill / Ackermann, Robert / Barott, William / Backus, Peter / Davis, Michael / Dreher, John / Harp, Gerald / Jordan, Jane / Kilsdonk, Tom / Shostak, Seth / ... [more]

Abstract

Abstract The Search for ExtraTerrestrial Intelligence (SETI) finally has its own full-time telescope. The Allen telescope array (ATA) in Northern California was dedicated on October 11, 2007. This array, which will eventually be composed of 350 small radio antennas, each 6.1m in diameter, is being built as a partnership between the SETI Institute and the University of California Radio Astronomy Laboratory. Last October, Paul G. Allen (who provided the funds for the technology development and the first phase of array construction) pushed a silver button and all 42 antennas of the current ATA-42 slewed to point in the direction of the distant galaxy M81. Specialized electronic backend detectors attached to the ATA began making a radio map of that galaxy and simultaneously began SETI observations of HIP48573, a G5V star near M81 on the sky and a distance of 264 light years from Earth. The Allen telescope array will greatly improve the speed of conducting SETI searches over the next few decades, and it will allow a suite of different search strategies to be undertaken. This paper summarizes some of the earliest SETI observations from the array, and describes the search strategies currently being planned.

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Document information

Title :

The first SETI observations with the Allen telescope array

Contributors:

Tarter, Jill (author) / Ackermann, Robert (author) / Barott, William (author) / Backus, Peter (author) / Davis, Michael (author) / Dreher, John (author) / Harp, Gerald (author) / Jordan, Jane (author) / Kilsdonk, Tom (author) / Shostak, Seth (author)

Published in:

Acta Astronautica ; 68 , 3-4 ; 340-346

Publication date :

2009-08-11

Size :

7 pages

ISSN :

0094-5765

DOI :

https://doi.org/10.1016/j.actaastro.2009.08.014

Type of media :

Article (Journal)