This is a list of the searches that are more concerned with going through – usually large – sets of data that has been collected
by a survey project prior. To see the bibliographic information, click on the title of the search you’re interested in.
| Search Type | Title | Date | Observers | Site | Objects | Search Wavelength (nm) | Link |
|---|---|---|---|---|---|---|---|
| Optical SETI | A search for Dyson spheres around late-type stars in the solar neighborhood III | 1997 (A) | JUGAKU | Archival from IRAS | Nishimura”(A) 50 stars (B) 135 stars (C) 19 stars” | 2200 – 12000 | FULL PAPER |
| Optical SETI | A search for Dyson spheres around late-type stars in the solar neighborhood III | 1997 (A) | JUGAKU | Archival from IRAS | Nishimura”(A) 50 stars (B) 135 stars (C) 19 stars” | 2200 – 12000 | FULL PAPER |
| Optical SETI | A search for Dyson spheres around late-type stars in the solar neighborhood III | 1997 (A) | JUGAKU | Archival from IRAS | Nishimura”(A) 50 stars (B) 135 stars (C) 19 stars” | 2200 – 12000 | FULL PAPER |
| Optical SETI | Search for Dyson Spheres using the IRAS catalog | 2008 | Carrigan D. | Archival from IRAS | 17 stars with Planckian distributions | 12000, 25000, 60000 | FULL PAPER |
| Radio SETI | Searching for alien artifacts on the moon | 2011 | Davies P.C.W., Wagner R.V. | Archival from Lunar Reconnaissance Orbiter | lunar surface | FULL PAPER | |
| Radio SETI | PULSATION PERIOD VARIATIONS IN THE RRc LYRAE STAR KIC 5520878 | 2014 | Michael Hippke, John G. Learned, A. Zee | Archival from Kepler data | KIC 5520878 | FULL PAPER | |
| Optical SETI | The G-hat Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies | 2014-2016 | Wright et. al. | Archival from WISE | ~ 105 galaxies | 3400, 4600, 12000, 22000 | FULL PAPER (p.1), FULL PAPER (p.2), FULL PAPER (p.3), FULL PAPER (p.4) |
| Optical SETI | A Search for Optical Laser Emissions Using Keck HIRES | 2015 | Tellis N.K., Marcy G.W. | Archival from CPS exoplanet survey, Keck, Lick | 2796 stars, including 1368 Kepler Objects of Interest (KOIs) that host one or more exoplanets | 3640-7890 A | FULL PAPER |
| Radio SETI | EXTRAGALACTIC SETI: THE TULLY-FISHER RELATION AS A PROBE OF DYSONIAN ASTROENGINEERING IN DISK GALAXIES | 2015 | Zackrisson et. al. | Archival from SFI++ | 1359 disk galaxies | FULL PAPER | |
| Radio SETI | A deep-learning search for technosignatures from 820 nearby stars | 2015-ONGOING | Ma P. X., et. al | Green Bank Telescope | 820 candidates, special interest in 5 stars | FULL PAPER | |
| Radio SETI | OUR SKY NOW AND THEN: SEARCHES FOR LOST STARS AND IMPOSSIBLE EFFECTS AS PROBES OF ADVANCED EXTRATERRESTRIAL CIVILIZATIONS | 2016-ON | Villarroel et. al. (VASCO) | Archival from USNO-B1.0 | ~2.9 x 105 stars published | FULL PAPER | |
| Radio SETI | Discovery of Peculiar Periodic Spectral Modulations in a Small Fraction of Solar-type Stars | 2016 | Ermanno F. Borra, Eric Trottier | Archival from Sloan Digital Sky Survey spectra | Solar-type stars | FULL PAPER | |
| Optical SETI | The Vanishing & Appearing Sources during a Century of Observations project: 1. USNO objects missing in modern surveys and follow-up observations of a “missing stars” | 2017-2019 – it goes on! | Villarroel B. et al. | 90 million USNO objects (15% of our sample) | 350 – 1000 | https://technos… |