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Title:
Target Selection for SETI. II. Tycho-2 Dwarfs, Old Open Clusters, and the Nearest 100 Stars
Authors:
Turnbull, Margaret C.; Tarter, Jill C.
Affiliation:
AA(University of Arizona, Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721 ), AB(SETI Institute, 2035 Landings Drive, Mountain View, CA 94043 )
Publication:
The Astrophysical Journal Supplement Series, Volume 149, Issue 2, pp. 423-436. (ApJS Homepage)
Publication Date:
12/2003
Origin:
UCP
Astronomy Keywords:
Extraterrestrial Intelligence, Galaxy: Solar Neighborhood
DOI:
10.1086/379320
Bibliographic Code:
2003ApJS..149..423T

Abstract

We present the full target list and prioritization algorithm developed for use by the microwave search for technological signals at the SETI Institute. We have included the Catalog of Nearby Habitable Stellar Systems (HabCat, described in Paper I), all of the nearest 100 stars and 14 old open clusters. This is further augmented by a subset of the Tycho-2 catalog based on reduced proper motions, and this larger catalog should routinely provide at least three target stars within the large primary field of view of the Allen Telescope Array. The algorithm for prioritizing objects in the full target list includes scoring based on the subset category of each target (i.e., HabCat, cluster, Tycho-2, or nearest 100), its distance (if known), and its proximity to the Sun on the color-magnitude diagram.

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