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A Simultaneous Dual...
A Simultaneous Dual-site Technosignature Search Using International LOFAR Stations
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- Johnson, Owen A. (författare)
- University of California,Trinity College Dublin, the University of Dublin,University College Dublin, National University Of Ireland
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- Gajjar, Vishal (författare)
- University of California,SETI Institute
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- Keane, E. F. (författare)
- National University of Ireland,Trinity College Dublin, the University of Dublin
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- McKenna, David J. (författare)
- Dublin Institute for Advanced Studies,Trinity College Dublin, the University of Dublin
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- Giese, Charles (författare)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Trinity College Dublin, the University of Dublin
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- McKeon, Ben (författare)
- National University of Ireland,University Of Limerick
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- Carozzi, Tobia, 1966 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Alcaria, Cloe (författare)
- Trinity College Dublin, the University of Dublin,Universite Paul Sabatier Toulouse III,Paul Sabatier University
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- Brennan, Aoife (författare)
- Trinity College Dublin, the University of Dublin,National University of Ireland,European Southern Observatory Santiago
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- Brzycki, Bryan (författare)
- University of California
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- Croft, S. (författare)
- University of California,SETI Institute
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- Drew, Jamie (författare)
- NASA Ames Research Center
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- Elkins, Richard (författare)
- University of California
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- Gallagher, P. T. (författare)
- Dublin Institute for Advanced Studies
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- Kelly, Ruth (författare)
- University College London (UCL)
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- Lebofsky, Matt (författare)
- University of California
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- MacMahon, D. (författare)
- University of California
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- McCauley, Joseph (författare)
- Trinity College Dublin, the University of Dublin
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- de Pater, Imke (författare)
- University of California
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- Raeside, Shauna Rose (författare)
- Trinity College Dublin, the University of Dublin,Dublin Institute for Advanced Studies,Dublin City University
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- Siemion, A. (författare)
- University of California,SETI Institute
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- Worden, S. Pete (författare)
- NASA Ames Research Center
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Astronomical Journal. - 1538-3881 .- 0004-6256. ; 166:5
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://research.cha...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- The Search for Extraterrestrial Intelligence aims to find evidence of technosignatures, which can point toward the possible existence of technologically advanced extraterrestrial life. Radio signals similar to those engineered on Earth may be transmitted by other civilizations, motivating technosignature searches across the entire radio spectrum. In this endeavor, the low-frequency radio band has remained largely unexplored; with prior radio searches primarily above 1 GHz. In this survey at 110-190 MHz, observations of 1,631,198 targets from TESS and Gaia are reported. Observations took place simultaneously with two international stations (noninterferometric) of the Low Frequency Array in Ireland and Sweden. We can reject the presence of any Doppler drifting narrowband transmissions in the barycentric frame of reference, with equivalent isotropic radiated power of 1017 W, for 0.4 million (or 1.3 million) stellar systems at 110 (or 190) MHz. This work demonstrates the effectiveness of using multisite simultaneous observations for rejecting anthropogenic signals in the search for technosignatures.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Johnson, Owen A.
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Gajjar, Vishal
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Keane, E. F.
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McKenna, David J ...
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Giese, Charles
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McKeon, Ben
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visa fler...
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Carozzi, Tobia, ...
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Alcaria, Cloe
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Brennan, Aoife
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Brzycki, Bryan
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Croft, S.
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Drew, Jamie
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Elkins, Richard
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Gallagher, P. T.
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Kelly, Ruth
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Lebofsky, Matt
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MacMahon, D.
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McCauley, Joseph
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de Pater, Imke
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Raeside, Shauna ...
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Siemion, A.
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Worden, S. Pete
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visa färre...
- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Elektroteknik oc ...
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och Telekommunikatio ...
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Astronomi astrof ...
- Artiklar i publikationen
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Astronomical Jou ...
- Av lärosätet
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Chalmers tekniska högskola