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  • 1
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    An imaging spectrometric observatory for spacelab (1983)
    Springer
    Details
    Publication Date: 1983-01-01
    Print ISSN: 0004-640X
    Electronic ISSN: 1572-946X
    Topics: Physics
    Published by Springer
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    PAPER CURRENT
  • 2
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    Characteristics of the HYDICE sensor (1995)
    In:  Other Sources
    Details
    Publication Date: 2019-01-25
    Description: In 1992, in an effort to significantly improve knowledge in the field of hyperspectral imagery, the Naval Research Laboratories defined a set of requirements for a new generation sensor. Construction of this instrument, designated HYDICE, has recently been completed at Hughes Danbury Optical Systems. It is currently being flight tested on a Convair 580 operated by ERIM. This paper reports on some of the performance parameters measured to date. The majority of these are derived from laboratory test data. Optomechanical parameters include MTF, spatial co-registration, 'smile', spectral profile and spectral calibration. Detector-related parameters include system responsivity, signal to noise ratio, radiometric stability and gain linearity. The results are compared with the original system performance predictions.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: JPL, Summaries of the Fifth Annual JPL Airborne Earth Science Workshop. Volume 1: AVIRIS Workshop; p 9
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    An imaging spectrometric observatory for Spacelab (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The large payload capacity of the Space Shuttle Orbiter offers the first opportunity to launch into space an instrument able to simultaneously measure the entire spectrum of atmospheric emission, from the extreme UV to the near-IR, with high spectral resolution and high sensitivity while obtaining global and altitude coverage. This capability would provide a database for atmospheric process studies. The Spacelab Imaging Spectrometric Observatory (ISO) comprises an array of five spectrometers designed to make full use of the Space Shuttle as an observing platform for atmosphere remote sensing, and covers the 300-12,000-A wavelength range with a 2-7 A resolution. Area array detectors can scan the entire wavelength range in less than 20 sec and, being two-dimensional, permit spectral imaging in one direction and spatial imaging on the other.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Astrophysics and Space Science (ISSN 0004-640X); 92; 2 Ma; May 1983
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Spectroscopic imaging of the thermosphere from the Space Shuttle (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The design features, performance characteristics, and intended missions for the Imaging Spectrometric Observatory scheduled to fly on the first Spacelab Shuttle mission in 1983 are described. The instrument comprises an array of five imaging spectrometers covering the spectral range 300-1200 A. The spectrometers operate simultaneously, using CCDs as collector elements. Resolution on the first flight will be limited to 3 A, with coverage to containing the dynamic range from nocturnal signals to the bright earth. A minicomputer in the Spacelab will permit crewmember interaction with the measurements, while data will be telemetered in real-time to a ground station. Initial mission objectives include observations of dayglow, nightglow, and twilightglow over the full wavelength range capability.
    Keywords: GEOPHYSICS
    Type: Applied Optics; 21; Nov. 15
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
    Electronic Resource
    Electronic Resource
    An imaging spectrometric observatory for spacelab (1983)
    Springer
    Astrophysics and space science 92 (1983), S. 237-291 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The capability to measure nearly simultaneously the entire spectrum of atmospheric emission from the extreme ultraviolet to the near infrared, with relatively high spectral resolution and high sensitivity, while also obtaining global and altitude coverage, would provide a database from which significant advances could be made in our current understanding of the atmosphere and its processes. The large payload capacity of the shuttle orbiter offers the first opportunity to put such instrumentation into space. The Imaging Spectrometric Observatory (ISO) comprises an array of five spectrometers designed to make full use of the shuttle as an observing platform for remote sensing of the atmosphere. ISO covers the wavelength range 300–12000 Å at 2–7 Å resolution. Use of area array detectors (intensified-CCD's) permits simultaneous measurements of ∼1000 Å at a time. The instrument is capable of scanning the entire wavelength range in less than 20 s, or dwelling on weaker features for longer periods of time. The detectors are two dimensional and permit spectral imaging in one direction and spatial imaging in the other. The spatial imaging and spatial scanning features permit measurement of altitude profiles, or mapping of strongly spatially varying features such as aurorae. The instrument is designed to allow versatility. The various functions are programmable and software controlled. The key subsystems are modular for convenient replacement or upgrading. It is anticipated that the instrument will have applications not only in the area of atmospheric science, but also in studies of the ionosphere and magnetosphere, and in support of active experiments to be performed in space.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00651293
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    Paper (German National Licenses)
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