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  • Other Sources  (8)
  • 1975-1979  (8)
  • 1
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    Spectral radiance calibrations between 165-300 nm - An interlaboratory comparison (1977)
    In:  Other Sources
    Details
    Publication Date: 2011-08-17
    Description: The spectral radiance of deuterium lamps calibrated by the Max-Planck-Institut fuer Astronomie (MPI), by the U.S. National Bureau of Standards (NBS), and by the Physikalisch-Technische Bundesanstalt (PTB) are compared to check the agreement of UV radiometric scales. The NBS group used the optically thin continuum radiation from a wall-stabilized hydrogen arc as its fundamental radiometric standard, while the MPI and PTB groups used the synchrotron radiation facility in DESY. It is found that the spectral radiance scales based upon the DESY synchrotron and the NBS hydrogen arc are consistent, at least for one wavelength relative to another.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Applied Optics; 16; July 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Vacuum ultraviolet radiometry. III - The argon mini-arc as a new secondary standard of spectral radiance (1977)
    In:  Other Sources
    Details
    Publication Date: 2011-08-17
    Description: A miniature argon arc has been designed and tested as a new transfer standard of spectral radiance for the wavelength range from 114 nm to 330 nm. Calibration has been performed using two primary standard sources: the hydrogen arc from 130 nm to 330 nm and the blackbody line radiator from 114 nm to 130 nm. The mini-arc provides an intense, stable, and reproducible UV continuum with dc power requirements of less than 1.5 kW. The arc characteristics have been investigated, and the sensitivity of the radiant power output to various operating parameters has been measured. The rms uncertainty in the spectral radiance is estimated to be 5.3% above 140 nm and 10.1% between 114 nm and 140 nm, due primarily to uncertainties in the primary standard sources.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Applied Optics; 16; Feb. 197
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    NASA TECHNICAL REPORTS
  • 3
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    Vacuum ultraviolet radiometry with hydrogen arcs. II - The high power arc as an absolute standard of spectral radiance from 124 nm to 360 nm (1975)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Applied Optics; 14; Sept
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    NASA TECHNICAL REPORTS
  • 4
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    The Nike-Black Brant V development program (1976)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Nike-Black Brant V represents a combined U.S.-Canadian program to achieve a 40 percent increase in apogee performance over that of the unboosted BBV, with minimum component modification and no meaningful increase in flight environment levels. The process of achieving these objectives is described, in particular optimization of sustainer coast period and roll history, and the techniques used to ensure good stage separation. Details of the structural test program and subsequent successful vehicle proving flight are provided. Basic performance data are preented, with an indication of the further potential offered by Terrier boost.
    Keywords: LAUNCH VEHICLES AND SPACE VEHICLES
    Type: Sounding Rocket Technology Conference; Jun 23, 1976 - Jun 25, 1976; Boston, MA
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Spectral irradiance standard for the ultraviolet - The deuterium lamp (1978)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: A set of deuterium lamps is calibrated as spectral irradiance standards in the 200-350-nm spectral region utilizing both a high accuracy tungsten spectral irradiance standard and a newly developed argon mini-arc spectral radiance standard. The method which enables a transfer from a spectral radiance to a spectral irradiance standard is described. The following characteristics of the deuterium lamp irradiance standard are determined: sensitivity to alignment; dependence on input power and solid angle; reproducibility; and stability. The absolute spectral radiance is also measured in the 167-330-nm region. Based upon these measurements, values of the spectral irradiance below 200 nm are obtained through extrapolation.
    Keywords: OPTICS
    Type: PB-280824 , Applied Optics; 17; Feb. 15
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    NASA TECHNICAL REPORTS
  • 6
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    Engineering support for the Space Processing Application Rocket /SPAR/ project - Preparation for effective Shuttle utilization (1976)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: Sounding rockets are being used in the Space Processing Program to develop the scientific, engineering, and management expertise to effectively use the Shuttle. An extensive vehicle selection study was necessary to optimize the payload weight, cost factors, and low-g time. The vehicle and subsystem development for each of the flight vehicles is described along with analyses and programmatic considerations peculiar to the Space Processing Program. Several early Space Processing payloads are described along with available flight results.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: Sounding Rocket Technology Conference; Jun 23, 1976 - Jun 25, 1976; Boston, MA
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    NASA TECHNICAL REPORTS
  • 7
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    Astronomy Spacelab payloads (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Preliminary analyses of four typical Spacelab astronomy payloads have been completed. The payloads consist of instrumentation recommended by NASA and other scientists for early Shuttle missions. Design concepts have been prepared and compatibility with Shuttle and Spacelab verified. Mission parameters that meet payload requirements and efficiently utilize Shuttle resources have been selected. Integrated pointing and stabilization and command and data-handling system concepts have been developed. The results of all these activities indicate that productive astronomy missions can be carried out with Shuttle and Spacelab systems.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: AAS PAPER 75-260 , Meeting on Space Shuttle Missions of the 80''s; Aug 26, 1975 - Aug 28, 1975; Denver, CO
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    NASA TECHNICAL REPORTS
  • 8
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    The Get Away Special Program (1979)
    In:  Other Sources
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    Publication Date: 2019-07-13
    Description: The paper deals with the Get Away Special (GAS) Program which was initiated on the realization that not every Space Shuttle mission would make full use of the volume and weight capability of the Shuttle system. Currently, the GAS Program incorporates 158 domestic and foreign users who have reserved 270 spaces. Not all users and not all experiments are expected to meet the objective of processing to prime experiments for Shuttle. Each experiment will be worthy in its own right and each user will benefit to the limit of his ability and involvement. The structure and the mounting system of the GAS container are described, along with its pressure, thermal, and electronic characteristics. Safety philosophy and requirements are noted, and possible options to the standard contained are discussed.
    Keywords: SPACE TRANSPORTATION
    Type: AIAA PAPER 79-0482 , Sounding Rocket Technology Conference; Mar 07, 1979 - Mar 09, 1979; Houston, TX
    Format: text
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    NASA TECHNICAL REPORTS
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