Mars Global Surveyor

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MARS Upper Ionosphere and
Mini-magnetospheres
D. L. Mitchell UCB-SSL
Mars Global Surveyor Magnetometer and Electron
Reflectometer
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MGS Aerobraking Drag Pass
Solar Wind
Ionosphere
Magnetic anomalies
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MGS Science Phasing Orbits (SPO-1)
view from north
view from ecliptic
sun
sun
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MGS Science Phasing Orbits (SPO-2)
view from north
view from ecliptic
sun
sun
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Solar wind electrons
Solar Wind
Ionosphere
Ionospheric photoelectrons
10 eV
100 eV
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calculations by Richard Link
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Photoelectron Spectra during SPO
Arabia Terra
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Venus Ionopause from PVO Observations
VENUS
Solar Max
Solar Min
(Knudsen, 1988)
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spectra offset for clarity
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Reference Spectrum
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Reference Spectrum
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Reference Spectrum
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Part 2 Night Hemisphere Mapping orbit, 2 AM
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MGS Magnetometer (Mapping Orbit)
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Plasma Void Orbit Segments
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Electron Flux Spikes
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FLUX SPIKE
FLUX SPIKE
FLUX SPIKE
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Electron Reflection
Electron path
exobase
Reflection Point
Mirror Force
Fz
Magnetic Field
Magnetic Source
surface
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MOON
MARS
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Part 3 Day Hemisphere Mapping orbit, 2 PM
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Mapping Orbit Altitude
Probability that spacecraft is in the ionosphere
F(lon, lat, alt, sza, euv, B2/8p)
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SPO
Mapping
Earth
Mars
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F A cos(SZA B) C
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Renormalizing the PEB probability map
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