Search Results - "Häusler, Bernd"
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Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere as observed by radio occultation
Published in Scientific reports (26-02-2020)“…We present distributions of the zonal-mean temperature and static stability in the Venusian atmosphere obtained from Venus Express and Akatsuki radio…”
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Structure of the Venus neutral atmosphere as observed by the Radio Science experiment VeRa on Venus Express
Published in Journal of Geophysical Research - Planets (01-09-2009)“…The European Space Agency Venus Express Radio Science experiment (VeRa) obtained 118 radio occultation measurements of the Venusian atmosphere between July…”
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The Nucleus of comet 67P/Churyumov–Gerasimenko – Part I: The global view – nucleus mass, mass-loss, porosity, and implications
Published in Monthly notices of the Royal Astronomical Society (21-02-2019)“…The radio science experiment RSI on-board Rosetta determined the mass of the nucleus of comet 67P/Churyumov–Gerasimenko at the start of the prime mission from…”
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Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind
Published in Solar physics (01-03-2022)“…The properties of the coronal plasma at heliocentric distances of 1.5 – 8.9 R ⊙ (solar radii) were studied with radio-occultation observations using JAXA’s…”
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The lower dayside ionosphere of Mars from 14 years of MaRS radio science observations
Published in Icarus (New York, N.Y. 1962) (01-05-2021)“…This work uses a subset of “quiet” MaRS ionospheric dayside observations (MaRSquiet, 2004–2017) and a 1-D photochemical model (IonA-2) to investigate the…”
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The structure of Mars lower atmosphere from Mars Express Radio Science (MaRS) occultation measurements
Published in Journal of geophysical research. Planets (01-02-2013)“…The Mars Express Radio Science Experiment (MaRS) investigates the lower and middle atmosphere of Mars between the surface and about 40 km with a very high…”
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RADIAL DISTRIBUTION OF COMPRESSIVE WAVES IN THE SOLAR CORONA REVEALED BY AKATSUKI RADIO OCCULTATION OBSERVATIONS
Published in The Astrophysical journal (10-12-2014)“…Radial variations of the amplitude and the energy flux of compressive waves in the solar corona were explored for the first time using a spacecraft radio…”
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A clear view of the multifaceted dayside ionosphere of Mars
Published in Geophysical research letters (01-09-2012)“…By examining electron density profiles from the Mars Express Radio Science Experiment MaRS, we show that the vertical structure of the dayside ionosphere of…”
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OUTFLOW STRUCTURE OF THE QUIET SUN CORONA PROBED BY SPACECRAFT RADIO SCINTILLATIONS IN STRONG SCATTERING
Published in The Astrophysical journal (20-06-2014)“…Radio scintillation observations have been unable to probe flow speeds in the low corona where the scattering of radio waves is exceedingly strong. Here we…”
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Vertical structure of the axi‐asymmetric temperature disturbance in the Venusian polar atmosphere: Comparison between radio occultation measurements and GCM results
Published in Journal of geophysical research. Planets (01-08-2017)“…Vertical temperature profiles at 40–75 km around 80°N in the Venus polar vortex are retrieved over 13 Earth days almost continuously from radio occultation…”
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Local Time Dependence of the Thermal Structure in the Venusian Equatorial Upper Atmosphere: Comparison of Akatsuki Radio Occultation Measurements and GCM Results
Published in Journal of geophysical research. Planets (01-09-2018)“…Temperature profiles of the Venus atmosphere obtained by the Akatsuki radio occultation measurements showed a prominent local time dependence above 65‐km…”
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Venus Express bistatic radar: High-elevation anomalous reflectivity
Published in Journal of Geophysical Research - Planets (01-09-2009)“…Magellan (MGN) bistatic radar observations in 1994 confirmed earlier Pioneer Venus reports of unusual Venus surface reflectivity and emissivity at elevations…”
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Fine Vertical Structures at the Cloud Heights of Venus Revealed by Radio Holographic Analysis of Venus Express and Akatsuki Radio Occultation Data
Published in Journal of geophysical research. Planets (01-08-2018)“…Radio occultation (RO) is one of the most efficient techniques for studying fine vertical structures in planetary atmospheres. However, the geometrical optics…”
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Radio occultation experiment of the Venus atmosphere and ionosphere with the Venus orbiter Akatsuki
Published in Earth, planets, and space (01-01-2011)“…The Radio Science experiment (RS) in the Akatsuki mission of JAXA aims to determine the vertical structure of the Venus atmosphere, thereby complementing the…”
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Rosetta Radio Science Investigations (RSI)
Published in Space science reviews (01-02-2007)“…The Rosetta spacecraft has been successfully launched on 2nd March 2004 to its new target comet 67 P/Churyumov-Gerasimenko. The science objectives of the…”
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Coronal Density Structures and CMEs: Superior Solar Conjunctions of Mars Express, Venus Express, and Rosetta: 2004, 2006, and 2008
Published in Solar physics (01-07-2012)Get full text
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OUTFLOW STRUCTURE OF THE QUIET SUN CORONA PROBED BY SPACECRAFT RADIO SCINTILLATIONS IN STRONG SCATTERING
Published in The Astrophysical journal (29-05-2014)Get full text
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Determination of local surface properties using Mars Express bistatic radar
Published in Journal of Geophysical Research - Planets (01-06-2006)“…Dual‐frequency bistatic radar experiments were conducted with Mars Express at a rate of one to two per month during 2005. Each observation provided power…”
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Correction to: Observation of the Solar Corona Using Radio Scintillation with the Akatsuki Spacecraft: Difference Between Fast and Slow Wind
Published in Solar physics (01-03-2023)Get full text
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Gravity Wave Packets in the Venusian Atmosphere Observed by Radio Occultation Experiments: Comparison With Saturation Theory
Published in Journal of geophysical research. Planets (01-09-2021)“…The characteristics of gravity wave packets in the Venusian atmosphere were studied using high‐vertical‐resolution temperature profiles obtained by ESA's Venus…”
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