SETI articles from 2020
Our email list has been dormant for 2020, so with many thanks to Julia LaFond and Jason Wright (PSU) we're happy to present a Year in Review edition of SETI.news!
Grimaldi 2021
Demography of galactic technosignatures.
https://doi.org/10.1093/mnras/staa3450
Wright 2020
Planck frequencies as Schelling points in SETI.
https://doi.org/10.1017/S1473550420000324
Shostak 2020
SETI: the argument for artefact searches.
https://doi.org/10.1017/S1473550420000233
Kipping, Frank, & Scharf 2020
Contact inequality: first contact will likely be with an older civilization.
https://doi.org/10.1017/S1473550420000208
Döbler 2020
The Concept of Developmental Relativity: Thoughts on the Technological Synchrony of Interstellar Civilizations.
https://doi.org/10.1016/j.spacepol.2020.101391
Smith & Traphagan 2020
First, Do Nothing: A Passive Protocol for First Contact.
https://doi.org/10.1016/j.spacepol.2020.101389
Brzycki, Siemion, Croft, Czech, DeBoer, DeMarines, Drew, Gajjar, Isaacson, Lacki, Lebofsky, MacMahon, de Pater, Price, & Worden 2020
Narrow-band Signal Localization for SETI on Noisy Synthetic Spectrogram Data.
https://doi.org/10.1088/1538-3873/abaaf7
Hippke 2020:
Searching for a message in the angular power spectrum of the cosmic microwave background.
https://arxiv.org/abs/2011.14435
Gertz 2020
Strategies for the Detection of ET Probes Within Our Own Solar System.
https://arxiv.org/abs/2011.12446
Singam, Haqq-Misra, Balbi, Sessa, Villarroel, De la Torre, Grinspoon, Furukawa, & Timmaraju 2020
Evaluation of investigational paradigms for the discovery of non-canonical astrophysical phenomena.
https://arxiv.org/abs/2011.10086
Caballero 2020
An approximation to determine the source of the WOW! Signal.
https://arxiv.org/abs/2011.06090
Margot, Pinchuk, Geil, Alexander, Arora, Biswas, Cebreros, Prabhu Desai, Duclos, Dunne, Lin, Goel, Gonzales, Gonzalez, Jain, Lam, Lewis, Lewis, Li, MacDougall, Makarem, Manan, Molina, Nagib, Neville, O'Toole, Rockwell, Rokushima, Romanek, Schmidgall, Seth, Shah, Shimane, Singhal, Tokadjian, Villafana, Wang, Yun, Zhu, & Lynch 2020
A Search for Technosignatures Around 31 Sun-like Stars with the Green Bank Telescope at 1.15-1.73 GHz.
https://arxiv.org/abs/2011.05265
Kaltenegger & Pepper 2020:
Which stars can see Earth as a transiting exoplanet?.
https://doi.org/10.1093/mnrasl/slaa161
Lares, Funes, & Gramajo 2020
Monte Carlo estimation of the probability of causal contacts between communicating civilizations.
https://doi.org/10.1017/S147355042000018X
De Visscher 2020
Artificial versus biological intelligence in the Cosmos: clues from a stochastic analysis of the Drake equation.
https://doi.org/10.1017/S1473550420000129
Kerins 2020
Mutual detectability: a targeted SETI strategy that avoids the SETI Paradox.
https://arxiv.org/abs/2010.04089
Harp, Gray, Richards, Shostak, & Tarter 2020
An ATA Search for a Repetition of the Wow Signal.
https://doi.org/10.3847/1538-3881/aba58f
Clery 2020
Listen up.
https://doi.org/10.1126/science.369.6509.1288
Tremblay & Tingay 2020
A SETI survey of the Vela region using the Murchison Widefield Array: Orders of magnitude expansion in search space.
https://doi.org/10.1017/pasa.2020.27
Wlodarczyk-Sroka, Garrett, & Siemion 2020
Extending the Breakthrough Listen nearby star survey to other stellar objects in the field.
https://doi.org/10.1093/mnras/staa2672
Michaud, Siemion, Drew, & Worden 2020
Lunar Opportunities for SETI.
https://arxiv.org/abs/2009.12689
Villarroel, Pelckmans, Solano, Laaksoharju, Souza, Nnaemeka Dom, Laggoune, Mimouni, Mattsson, Soodla, Castillo, Shultz, Aworka, Comerón, Geier, Marcy, Gupta, Bergstedt, Bär, Buelens, Prieto, Ramos-Almeida, Simiyu Wamalwa, & Ward 2020
Launching the VASCO citizen science project.
https://arxiv.org/abs/2009.10813
Lingam & Loeb 2020
Constraints on the abundance of 0.01c stellar engines in the Milky Way.
https://arxiv.org/abs/2009.08874
Jackson & Benford 2020
Novel Technosignatures.
https://arxiv.org/abs/2009.08873
Hippke 2020
Interstellar communication network. II. Deep space nodes with gravitational lensing.
https://arxiv.org/abs/2009.01866
Spada & Melini 2020
Evolution of the number of communicative civilizations in the Galaxy: implications on Fermi paradox.
https://doi.org/10.1017/S1473550420000063
Seto & Kashiyama 2020
Astrometric study of Gaia DR2 stars for interstellar communication.
https://doi.org/10.1017/S147355042000004X
Gray 2020
Intermittent signals and planetary days in SETI.
https://doi.org/10.1017/S1473550420000038
Bansal 2020
SETI 2020: The Pause That Refreshes? [Turnstile].
https://doi.org/10.1109/MAP.2020.2998846
Tsumura 2020
Estimating survival probability using the terrestrial extinction history for the search for extraterrestrial life.
https://doi.org/10.1038/s41598-020-69724-2
Osmanov 2020
On a spectral pattern of the Von-Neumann probes.
https://arxiv.org/abs/2007.00693
Hatfield & Trueblood 2020
SETI and Democracy.
https://arxiv.org/abs/2007.13515
Ćirković & Vukotić 2020
Habitability of M dwarfs is a problem for the traditional SETI.
https://arxiv.org/abs/2007.12645
Lares, Funes, & Gramajo 2020
Monte Carlo estimation of the probability of causal contacts between communicating civilisations.
https://arxiv.org/abs/2007.03597
Sheikh, Siemion, Enriquez, Price, Isaacson, Lebofsky, Gajjar, & Kalas 2020
The Breakthrough Listen Search for Intelligent Life: A 3.95-8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone.
https://doi.org/10.3847/1538-3881/ab9361
Ivanov, Beamín, Cáceres, & Minniti 2020
A qualitative classification of extraterrestrial civilizations.
https://doi.org/10.1051/0004-6361/202037597
Wright 2020
Dyson Spheres.
https://doi.org/10.2298/SAJ2000001W
Perez, Brzycki, Gajjar, Isaacson, Siemion, Croft, DeBoer, Lebofsky, MacMahon, Price, Sheikh, Drew, & Worden 2020
Breakthrough Listen Search for Technosignatures toward the Kepler-160 System.
https://doi.org/10.3847/2515-5172/ab9f36
Lorenz 2020
Maunder's Work on Planetary Habitability in 1913: Early Use of the term "Habitable Zone" and a "Drake Equation" Calculation.
https://doi.org/10.3847/2515-5172/ab9831
Gale, Wandel, & Hill 2020
Will recent advances in AI result in a paradigm shift in Astrobiology and SETI?.
https://doi.org/10.1017/S1473550419000260
Sheikh 2020
The Nine Axes of Merit for Technosignature Searches.
https://doi.org/10.1017/S1473550419000284
Osmanov 2020
On the interstellar Von Neumann micro self-reproducing probes.
https://doi.org/10.1017/S1473550419000259
Li, Yu, Fan, & Babu 2020
Some optimizations on detecting gravitational wave using convolutional neural network.
https://doi.org/10.1007/s11467-020-0966-4
Lacki, Brzycki, Croft, Czech, DeBoer, DeMarines, Gajjar, Isaacson, Lebofsky, MacMahon, Price, Sheikh, Siemion, Drew, & Worden 2020
One of Everything: The Breakthrough Listen Exotica Catalog.
https://arxiv.org/abs/2006.11304
Cortellesi 2020
Reworking the SETI Paradox: METI's Place on the Continuum of Astrobiological Signaling.
https://arxiv.org/abs/2006.01167
Westby & Conselice 2020
The Astrobiological Copernican Weak and Strong Limits for Intelligent Life.
https://doi.org/10.3847/1538-4357/ab8225
Wisian & Traphagan 2020
The Search for Extraterrestrial Intelligence: A Realpolitik Consideration.
https://doi.org/10.1016/j.spacepol.2020.101377
Li, Gajjar, Wang, Siemion, Zhang, Zhang, Yue, Zhu, Jin, Li, Berger, Brzycki, Cobb, Croft, Czech, DeBoer, DeMarines, Drew, Emilio Enriquez, Gizani, Korpela, Isaacson, Lebofsky, Lacki, MacMahon, Nanez, Niu, Pei, Price, Werthimer, Worden, Gerry Zhang, Zhang, & FAST Collaboration 2020
Opportunities to search for extraterrestrial intelligence with the FAST.
https://doi.org/10.1088/1674-4527/20/5/78
Sandora & Silk 2020
Biosignature surveys to exoplanet yields and beyond.
https://doi.org/10.1093/mnras/staa1284
Haqq-Misra, Kopparapu, & Schwieterman 2020
Observational Constraints on the Great Filter.
https://doi.org/10.1089/ast.2019.2154
Lingam & Loeb 2020
Propulsion of Spacecraft to Relativistic Speeds Using Natural Astrophysical Sources.
https://doi.org/10.3847/1538-4357/ab7dc7
Gray 2020
The Extended Kardashev Scale.
https://doi.org/10.3847/1538-3881/ab792b
Abramowicz, Bejger, Gourgoulhon, & Straub 2020
A Galactic centre gravitational-wave Messenger.
https://doi.org/10.1038/s41598-020-63206-1
Whitmire 2020
The habitability of large elliptical galaxies.
https://doi.org/10.1093/mnras/staa957
Prantzos 2020
A probabilistic analysis of the Fermi paradox in terms of the Drake formula: the role of the L factor.
https://doi.org/10.1093/mnras/staa512
Tuccari, Wunderlich, Dornbusch, & Tuccari 2020
AntArr - Etna Low Frequency Antenna Array.
https://doi.org/10.2478/lpts-2020-0001
Ćirković & Balbi 2020
Copernicanism and the typicality in time.
https://doi.org/10.1017/S1473550419000223
Zhang, Werthimer, Zhang, Cobb, Korpela, Anderson, Gajjar, Lee, Li, Pei, Zhang, Huang, Wang, Zhu, Duan, Zhang, Jin, Zhu, & Li 2020
First SETI Observations with China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST).
https://doi.org/10.3847/1538-4357/ab7376
Price, Enriquez, Brzycki, Croft, Czech, DeBoer, DeMarines, Foster, Gajjar, Gizani, Hellbourg, Isaacson, Lacki, Lebofsky, MacMahon, Pater, Siemion, Werthimer, Green, Kaczmarek, Maddalena, Mader, Drew, & Worden 2020:
The Breakthrough Listen Search for Intelligent Life: Observations of 1327 Nearby Stars Over 1.10-3.45 GHz.
https://doi.org/10.3847/1538-3881/ab65f1
Hippke 2020: Interstellar Communication Network. I. Overview and Assumptions.
https://doi.org/10.3847/1538-3881/ab5dca
Vidaurri, Wofford, Brande, Black-Planas, Domagal-Goldman, & Haqq-Misra 2020
Absolute Prioritization of Planetary Protection, Safety, and Avoiding Imperialism in All Future Science Missions: A Policy Perspective.
https://doi.org/10.1016/j.spacepol.2019.101345
Haqq-Misra 2020
Funding the Search for Extraterrestrial Intelligence with a Lottery Bond.
https://doi.org/10.1016/j.spacepol.2017.03.003
Yang, Yu, Xiao, & Zhang 2020
Deep residual detection of radio frequency interference for FAST.
https://doi.org/10.1093/mnras/stz3521
Olson 2020
On the Likelihood of Observing Extragalactic Civilizations: Predictions from the Self-Indication Assumption.
https://arxiv.org/abs/2002.08194
Harp 2020
Radio seti observations of the interstellar object 'oumuamua.
https://doi.org/10.1016/j.actaastro.2019.01.048
De la Torre 2020
Does artificial intelligence dream of non-terrestrial techno-signatures?.
https://doi.org/10.1016/j.actaastro.2019.11.013
Lacki 2020
Lens Flare: Magnified X-Ray Binaries as Passive Beacons in SETI.
https://arxiv.org/abs/2002.00128
Lesnikowski, Bickel, & Angerhausen 2020:
Unsupervised Distribution Learning for Lunar Surface Anomaly Detection.
https://arxiv.org/abs/2001.04634
Slijepcevic 2020:
Natural intelligence and anthropic reasoning.
https://arxiv.org/abs/2001.01109
Gertz 2020:
There's No Place Like Home (in Our Own Solar System): Searching for ET Near White Dwarfs.
https://arxiv.org/abs/2001.00673
Villarroel, Soodla, Comerón, Mattsson, Pelckmans, López-Corredoira, Krisciunas, Guerras, Kochukhov, Bergstedt, Buelens, Bär, Cubo, Enriquez, Gupta, Imaz, Karlsson, Prieto, Shlyapnikov, de Souza, Vavilova, & Ward 2020:
The Vanishing and Appearing Sources during a Century of Observations Project. I. USNO Objects Missing in Modern Sky Surveys and Follow-up Observations of a “Missing Star”.
https://doi.org/10.3847/1538-3881/ab570f
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