Search for extraterrestrial intelligence J/PASP/129/E4501 ivo://CDS.VizieR/J/PASP/129/E4501 doi:10.26093/cds/vizier.61303501 CDS Isaacson H. Siemion A.P.V. Marcy G.W. Lebofsky M. Price D.C.,Macmahon D. Croft S. Deboer D. Hickish J. Werthimer D. Sheikh S.,Hellbourg G. Enriquez J.E. 2025-09-09T14:14:48Z 2017-09-01T11:13:27Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr We present the target selection for the Breakthrough Listen search for extraterrestrial intelligence during the first year of observations at the Green Bank Telescope, Parkes Telescope, and Automated Planet Finder. On the way to observing 1,000,000 nearby stars in search of technological signals, we present three main sets of objects we plan to observe in addition to a smaller sample of exotica. We chose the 60 nearest stars, all within 5.1pc from the Sun. Such nearby stars offer the potential to observe faint radio signals from transmitters that have a power similar to those on Earth. We add a list of 1649 stars drawn from the Hipparcos catalog that span the Hertzprung-Russell diagram, including all spectral types along the main sequence, subgiants, and giant stars. This sample offers diversity and inclusion of all stellar types, but with thoughtful limits and due attention to main sequence stars. Our targets also include 123 nearby galaxies composed of a "morphological-type-complete" sample of the nearest spirals, ellipticals, dwarf spherioidals, and irregulars. While their great distances hamper the detection of technological electromagnetic radiation, galaxies offer the opportunity to observe billions of stars simultaneously and to sample the bright end of the technological luminosity function. We will also use the Green Bank and Parkes telescopes to survey the plane and central bulge of the Milky Way. Finally, the complete target list includes several classes of exotica, including white dwarfs, brown dwarfs, black holes, neutron stars, and asteroids in our solar system. 2017PASP..129e4501I https://cdsarc.cds.unistra.fr/viz-bin/cat/J/PASP/129/E4501 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/PASP/129/E4501 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/PASP/129/E4501 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/PASP/129/E4501 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/PASP/129/E4501 https://vizier.iucaa.in/viz-bin/votable?-source=J/PASP/129/E4501 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/PASP/129/E4501 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/PASP/129/E4501/table1 (Stellar Targets) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/PASP/129/E4501/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/PASP/129/E4501/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/PASP/129/E4501/table1? 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47121 47137 47165 47205 47258 47335 47352 47385 47390 47414 47424 47568 47589 47595 47598 47640 47740 47758 47777 47824-47825 47898 47910 47949 47953 48037 48051 48080 48105 48182 48254 48263 48274 48283 48291 48303 48334 48355 48469 48531 48549 48552 48589 48606 48652 48705 48711 48749 48788 48883 48886 48900 48906 48923 48963-48964 49015 49101 49113 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/PASP/129/E4501?format=ascii default J/PASP/129/E4501/table1 Stellar Targets SpType Spectral type src.spType char Dist Distance pc pos.distance;pos.heliocentric float recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Star Star name meta.id;meta.main char RAJ2000 Right ascension (J2000) pos.eq.ra;meta.main DEJ2000 Declination (J2000) pos.eq.dec;meta.main Ep [2000] Epoch yr time.epoch int Vmag V magnitude mag phot.mag;em.opt.V float pmRA Proper motion along RA, pmRA*cosDE arcsec/yr pos.pm;pos.eq.ra float pmDE Proper motion along DE arcsec/yr pos.pm;pos.eq.dec float SimbadName Simbad column added by the CDS meta.id char