The Astrophysical Journal Supplement Series

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The Astrophysical Journal Supplement Series Volume 149 Number 2 Create an alert RSS this journal

Margaret C. Turnbull and Jill C. Tarter 2003 ApJS 149 423 doi:10.1086/379320

Target Selection for SETI. II. Tycho-2 Dwarfs, Old Open Clusters, and the Nearest 100 Stars

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Margaret C. Turnbull1 and Jill C. Tarter2

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Abstract References Cited By

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.


Subject headings

extraterrestrial intelligence; solar neighborhood


Dates

Issue 2 (2003 December)

Received 2003 July 26, accepted for publication 2003 August 27



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