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Mitchell, 1909 - Google Patents

Recent solar observations at Haverford

Mitchell, 1909

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Document ID
4816123594963274083
Author
Mitchell W
Publication year
Publication venue
Astrophysical Journal, vol. 30, p. 75

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Snippet

Recent Solar Observations at Haverford ADS Classic is now deprecated. It will be completely retired in October 2019. This page will automatically redirect to the new ADS interface at that point. SAO/NASA ADS Astronomy Abstract Service THE ASTROPHYSICAL …
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colour
    • G01J3/12Generating the spectrum; Monochromators
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/10Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/12Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
    • G01J1/14Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means using comparison with a surface of graded brightness

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