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  • 1
    Publication Date: 2013-08-31
    Description: The goals, requirements and operation of the Space Infrared Telescope Facility (SIRTF) are discussed. Emphasis is upon an analysis of the options of high and low earth orbits for the mission. The consensus was that the high earth orbit offers significant scientific and engineering advantages for SIRTF.
    Keywords: URBAN TECHNOLOGY AND TRANSPORTATION
    Type: Proceedings of the Third Infrared Detector Technology Workshop; p 387-400
    Format: application/pdf
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  • 2
    Publication Date: 2018-06-06
    Description: Earth science applications of the future will stress the capabilities of even the highest performance supercomputers in the areas of raw compute power, mass storage management, and software environments. These NASA mission critical problems demand usable multi-petaflops and exabyte-scale systems to fully realize their science goals. With an exciting vision of the technologies needed, NASA has established a comprehensive program of advanced research in computer architecture, software tools, and device technology to ensure that, in partnership with US industry, it can meet these demanding requirements with reliable, cost effective, and usable ultra-scale systems. NASA will exploit, explore, and influence emerging high end computing architectures and technologies to accelerate the next generation of engineering, operations, and discovery processes for NASA Enterprises. This article captures this vision and describes the concepts, accomplishments, and the potential payoff of the key thrusts that will help meet the computational challenges in Earth science applications.
    Keywords: Computer Operations and Hardware
    Format: application/pdf
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  • 3
    Publication Date: 2019-07-13
    Description: The Space Infrared Telescope Facility (SIRTF) mission based on a cryogenically cooled telescope is described. The SIRTF makes it possible to perform background limited measurements with three focal plane instruments in the wavelength range 2-700 microns over the entire celestial sphere for at least five years. A telescope performance limited by the natural astrophysical background between 2 to 300 microns is achieved by using a superfluid helium cryogenic system for maintaining the forebaffle temperature below 8 K. The attitude control system based on Extreme Ultra-Violet Explorer reaction wheels meets the large and small angle slew requirements and provides 0.15 arc sec pointing stability. The present HEO baseline configuration has a mass of 4370 kg. The future Titan IV/Centaur launch capability to 100,000 km for a SIRTF-sized payload is at least 5770 kg.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: Cryogenic Optical Systems and Instruments IV; Jul 10, 1990 - Jul 12, 1990; San Diego, CA; United States
    Format: text
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  • 4
    Publication Date: 2019-07-13
    Description: The system concept for the Stratospheric Observatory for Infrared Astronomy (SOFIA), as developed by NASA Ames Research Center is described. The SOFIA facility is a 3-meter class optical/infrared/submillimeter telescope mounted in an open cavity in the forebody of a Boeing 747 aircraft, to be operational in 1992. It represents the next generation of Ames' existing airborne IR facilities, and is about ten times more sensitive than the Kuiper Airborne Observatory (KAO) with 3 times better angular resolution, and able to detect all the far-infrared point sources discovered by IRAS (Infrared Astronomical Satellite) survey in 1983. Major requirements and design attributes of the SOFIA telescope are presented, along with a brief description of the Ground Support/Operations System.
    Keywords: ASTRONOMY
    Type: Cryogenic Optical Systems and Instruments III; Aug 17, 1988 - Aug 19, 1988; San Diego, CA; United States
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