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Observations and an...
Observations and analysis of phase scintillation of spacecraft signal on the interplanetary plasma
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- Calves, G. M. (author)
- Aalto-Yliopisto,Aalto University,Joint Institute for VLBI in Europe (JIVE)
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- Pogrebenko, Sergei (author)
- Joint Institute for VLBI in Europe (JIVE)
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- Cimo, G. (author)
- Joint Institute for VLBI in Europe (JIVE)
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- Duev, Dmitry (author)
- M. V. Lomonosov Moscow State University,Joint Institute for VLBI in Europe (JIVE)
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- Bahamon, T. M. B. (author)
- Technische Universiteit Delft,Delft University of Technology (TU Delft),Joint Institute for VLBI in Europe (JIVE),Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences
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- Wagner, Jan (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Aalto-Yliopisto,Aalto University
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- Kallunki, J. (author)
- Aalto-Yliopisto,Aalto University
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de Vicente, P. (author)
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Kronschnabl, G. (author)
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- Haas, Rüdiger, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Quick, J. (author)
- Hartebeeshoek Radio Astronomy Observatory
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- Maccaferri, G. (author)
- Istituto nazionale di astrofisica (INAF)
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- Colucci, G. (author)
- Agenzia Spaziale Italiana
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- Wang, W. H. (author)
- Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences
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- Yang, W. J. (author)
- Chinese Academy of Sciences
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- Hao, L. F. (author)
- Chinese Academy of Sciences
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(creator_code:org_t)
- 2014-03-27
- 2014
- English.
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In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 564
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Abstract
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- Aims. The phase scintillation of the European Space Agency's Venus Express (VEX) spacecraft telemetry signal was observed at X-band (lambda = 3.6 cm) with a number of radio telescopes of the European Very Long Baseline Interferometry (VLBI) Network in the period 2009-2013. Methods. We found a phase fluctuation spectrum along the Venus orbit with a nearly constant spectral index of -2.42 +/- 0.25 over the full range of solar elongation angles from 0 degrees to 45 degrees, which is consistent with Kolmogorov turbulence. Radio astronomical observations of spacecraft signals within the solar system give a unique opportunity to study the temporal behaviour of the signal's phase fluctuations caused by its propagation through the interplanetary plasma and the Earth's ionosphere. This gives complementary data to the classical interplanetary scintillation (IPS) study based on observations of the flux variability of distant natural radio sources. Results. We present here our technique and the results on IPS. We compare these with the total electron content for the line of sight through the solar wind. Finally, we evaluate the applicability of the presented technique to phase-referencing VLBI and Doppler observations of currently operational and prospective space missions.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- TRACKING
- V231
- scattering
- SOLAR-WIND
- P1414
- SPEED
- VLBI
- astrometry
- 1986
- interplanetary medium
- Sun: heliosphere
- techniques: interferometric
- EISCAT
- RADIO SOURCES
- plasmas
- SCIENCE
- ESTON RA
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Calves, G. M.
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Pogrebenko, Serg ...
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Cimo, G.
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Duev, Dmitry
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Bahamon, T. M. B ...
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Wagner, Jan
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show more...
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Kallunki, J.
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de Vicente, P.
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Kronschnabl, G.
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Haas, Rüdiger, 1 ...
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Quick, J.
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Maccaferri, G.
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Colucci, G.
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Wang, W. H.
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Yang, W. J.
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Hao, L. F.
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Chalmers University of Technology