ASTM E490 - 00a(2014)

    Standard Solar Constant and Zero Air Mass Solar Spectral Irradiance Tables

    Active Standard ASTM E490 | Developed by Subcommittee: E21.04

    Book of Standards Volume: 15.03


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    1. Scope

    1.1 These tables define the solar constant and zero air mass solar spectral irradiance for use in thermal analysis, thermal balance testing, and other tests of spacecraft and spacecraft components and materials. Typical applications include the calculation of solar absorptance from spectral reflectance data and the specification of solar UV exposure of materials during simulated space radiation testing.

    1.2 These tables are based upon data from experimental measurements made from high-altitude aircraft, spacecraft, and the earth's surface and from solar spectral irradiance models.

    1.3 The values stated in SI units are to be regarded as standard. Other units of measurement are included for information purposes only.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E349 Terminology Relating to Space Simulation


    ICS Code

    ICS Number Code 27.160 (Solar energy engineering)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/E0490

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