Project Ozma

Drake, F. D.

doi:10.1063/1.3057500

Cited by 214 publications

(133 citation statements)

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“…Importantly, the generation of extremely luminous emission, detectable over a large portion of our galaxy with humanity's observing capabilities, is possible using zero or minimal extrapolation from humanity's current technological capacity. Drake (1961) and others have developed frameworks to estimate how many civilizations exist in the galaxy. However, given the current uncertainties, it is equally likely that there are thousands of civilizations in the galaxy or that we are the only one.…”

Section: Introductionmentioning

confidence: 99%

The Breakthrough Listen Search for Intelligent Life: 1.1–1.9 GHz Observations of 692 Nearby Stars

Enriquez

Siemion

Foster

et al. 2017

ApJ

139

335

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We report on a search for engineered signals from a sample of 692 nearby stars using the Robert C. Byrd Green Bank Telescope, undertaken as part of the Breakthrough Listen Initiative search for extraterrestrial intelligence. Observations were made over 1.1-1.9 GHz (L band), with three sets of five-minute observations of the 692 primary targets, interspersed with five-minute observations of secondary targets. By comparing the "ON" and "OFF" observations, we are able to identify terrestrial interference and place limits on the presence of engineered signals from putative extraterrestrial civilizations inhabiting the environs of the target stars. During the analysis, 11 events passed our thresholding algorithm, but a detailed analysis of their properties indicates that they are consistent with known examples of anthropogenic radio-frequency interference. We conclude that, at the time of our observations, none of the observed systems host high-duty-cycle radio transmitters emitting between 1.1 and 1.9 GHz with an Equivalent Isotropic Radiated Power of ∼10 13 W, which is readily achievable by our own civilization. Our results suggest that fewer than ∼0.1% of the stellar systems within 50 pc possess the type of transmitters searched in this survey.

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Section: Introductionmentioning

confidence: 99%

The Breakthrough Listen Search for Intelligent Life: 1.1–1.9 GHz Observations of 692 Nearby Stars

Enriquez

Siemion

Foster

et al. 2017

ApJ

139

335

View full text Add to dashboard Cite

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“…Using the 25 meter dish of the National Radio Astronomy Observatory (NRAO) in Green Bank (WV, USA), Drake monitored two nearby Sun-like stars: Epsilon Eridani and Tau Ceti. In this project, which he called Project Ozma (Drake, 1961), he slowly scanned frequencies close to the 21 cm wavelength for six hours a day from April to July 1960. The project was well designed, inexpensive, and simple by today's standards.…”

Section: Habitable Zone In the Milky Way And Exoplanetsmentioning

confidence: 99%

Frontier Research in Astrophysics

Giovannelli¹,

Sabau-Graziati²

2016

Proceedings of Frontier Research in Astrophysics — PoS(FRAPWS2014)

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In this paper -a short updated version of our review paper about "The impact of space experiments on our knowledge of the physics of the Universe (Giovannelli & Sabau-Graziati (2004) (GSG2004) -we will briefly discuss old and new results obtained in astrophysics, that marked substantially the research in this field. Thanks to the results, chosen by us following our knowledge and feelings, we can describe the main pillars that support the "Bridge between the Big Bang and Biology". We will remark the importance of the joint venture of 'active physics experiments' and 'passive physics experiments' ground-and space-based that, with their results, are directed towards the knowledge of the physics of our universe. New generation experiments open up new prospects for improving our knowledge of the aforementioned main pillars. We will discuss about the • Big Bang Theory,

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“…And stars and bars, as it were, for e Eridani, both because its planet was discovered from Texas (Hatzes et al 2000) and because the star was one of the two very first subjected to a Search for Extraterrestrial Intelligence (Drake 1961).…”

Section: The Oftensmentioning

confidence: 99%

Astrophysics in 2001

Trimble¹,

Aschwanden²

2002

PUBL ASTRON SOC PAC

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ABSTRACT. During the year, astronomers provided explanations for solar topics ranging from the multiple personality disorder of neutrinos to cannibalism of CMEs (coronal mass ejections) and extrasolar topics including quivering stars, out-of-phase gaseous media, black holes of all sizes (too large, too small, and too medium), and the existence of the universe. Some of these explanations are probably probably true, though the authors are not betting large sums on any one. The data ought to remain true forever, though this requires a careful definition of "data" (think of the Martian canals).

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Project Ozma

Cited by 214 publications

References 0 publications

The Breakthrough Listen Search for Intelligent Life: 1.1–1.9 GHz Observations of 692 Nearby Stars

The Breakthrough Listen Search for Intelligent Life: 1.1–1.9 GHz Observations of 692 Nearby Stars

Frontier Research in Astrophysics

Astrophysics in 2001

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