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  • 1
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    In:  CASI
    Publication Date: 2016-06-07
    Description: The vehicle charging and potential (VCAP) payload includes a small electron accelerator capable of operating in a pulsed mode with firing pulses ranging from 600 nanoseconds to 107 seconds (100 milliamps at 1000 volts), a spherical retarding potential analyzer - Langmuir probe, and charge current probes. This instrumentation will support studies of beam plasma interactions and the electrical charging of the spacecraft. Active experiments may also be performed to investigate the fundamental processes of artificial aurora and ionospheric perturbations. In addition, by firing the beam up the geomagnetic field lines of force (away from the Earth) investigations of parallel electric field may be performed.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
    Format: application/pdf
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  • 2
    Publication Date: 2016-06-07
    Description: The wide angle Michelson Doppler imaging interferometer (WAMDII) is a specialized type of optical Michelson interferometer working at sufficiently long path difference to measure Doppler shifts and to infer Doppler line widths of naturally occurring upper atmospheric Gaussian line emissions. The instrument is intended to measure vertical profiles of atmospheric winds and temperatures within the altitude range of 85 km to 300 km. The WAMDII consists of a Michelson interferometer followed by a camera lens and an 85 x 106 charge coupled device photodiode array. Narrow band filters in a filter wheel are used to isolate individual line emissions and the lens forms an image of the emitting region on the charge coupled device array.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
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  • 3
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    In:  CASI
    Publication Date: 2016-06-07
    Description: The atmospheric emission photometric imaging (AEPI) consists of a dual channel, low light level video system with a filter wheel to isolate the emissions of interest, mounted on a stabilized, two axis gimbal system for pointing and control. The objectives are to produce images of various atmospheric emissions to: investigate ionospheric transport processes; observe induced emissions from artificial particle injection; measure electron impact cross sections of atmospheric species; study natural aurora at high spatial and temporal resolutions and in the ultraviolet.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
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  • 4
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    In:  CASI
    Publication Date: 2016-06-07
    Description: The imaging spectrometric observatory (ISO) is discussed. The objectives of this instrument are to measure the spectral signatures of a large range of minor constituents, metastable, and excited species of both atomic and molecular ions, and neutrals in the atmosphere (from the stratosphere to the upper thermosphere). The instrument is composed of five identical spectrometers, each restricted to a given spectral range between 20 and 1200 nanometers designed for high speed operation as an imaging device. Each module is an imaging scanning spectrometer with coincident 0.5 x 0.007 degree field of view.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
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  • 5
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    In:  CASI
    Publication Date: 2016-06-07
    Description: The recoverable plasma diagnostics package (RPDP) is an ejectable and recoverable satellite with flight and ground support systems so that it can be utilized in three modes: attached to an remote manipulator system; tethered; or as a subsatellite. The satellite is well instrumented with particle and field diagnostic as well as optical sensors to: investigate the dynamics of the natural environment or ejected perturbations from particle beams; measure the characteristics and propagation of electrostatic and electromagnetic waves; study wave particle interactions; and study natural properties of the magnetosphere, ionosphere, and upper atmosphere.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
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  • 6
    Publication Date: 2016-06-07
    Description: The space experiments with particle accelerators (SEPAC) instruments consist of an electron accelerator, a plasma accelerator, a neutral gas (N2) release device, particle and field diagnostic instruments, and a low light level television system. These instruments are used to accomplish multiple experiments: to study beam particle interactions and other plasma processes; as probes to investigate magnetospheric processes; and as perturbation devices to study energy coupling mechanisms in the magnetosphere, ionosphere, and upper atmosphere.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
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  • 7
    Publication Date: 2016-06-07
    Description: The theoretical and experimental beam plasma physics (TEBPP) consists of a package of five instruments to measure electric and magnetic fields, plasma density and temperature, neutral density, photometric emissions, and energetic particle spectra during firings of the particle injector (SEPAC) electron beam. The package is deployed on a maneuverable boom (or RMS) and is used to measure beam characteristics and induced perturbations in the near field ( 10 m) and mid field (10 m to 100 m) along the electron beam. The TEBPP package will be designed to investigate induced oscillations and induced electromagnetic mode waves, neutral and ion density and temperature effects, and beam characteristics as a function of axial distance.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Alabama Univ. Coordinated Study of Solar-Terrestrial Payloads on Space Station; 2 p
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  • 8
    Publication Date: 2019-07-13
    Description: In response to a need to develop and document requirements of the Solar Terrestrial Observatory at an early time, a mini-workshop was organized and held on June 6, 1985. The participants at this workshop set as their goal the preliminary definition of the following areas: (1) instrument descriptions; (2) placement of instrumentation on the IOC Space Station; (3) servicing and repair assessment; and (4) operational scenarios. This report provides a synopsis of the results of that workshop.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: NASA-CP-2411 , M-505 , NAS 1.55:2411 , Jun 06, 1985; Huntsville, AL; United States
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