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Ultraviolet ion chamber measurements of the solar minimum brightness temperature

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Abstract

The solar ultraviolet flux in the wavelength bands 1580–1640 Å and 1430–1470 Å (FWHM) has been measured using photon ion chambers carried on the satellite WRESAT I (1967-118A). These observations of the integrated ultraviolet flux from the entire disk indicate a value of (4570 ± 50) K for the solar temperature minimum. The results are compared with other estimates of the minimum value of the solar brightness temperature.

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Authors and Affiliations

  1. Dept. of Physics, University of Adelaide, Adelaide, Australia

    J. H. Carver, B. H. Horton & G. W. A. Lockey

  2. Dept. of Supply, Weapons Research Establishment, Salisbury, Australia

    Bryan Rofe

Authors
  1. J. H. Carver
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  2. B. H. Horton
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  3. G. W. A. Lockey
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  4. Bryan Rofe
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Died August, 1971.

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Carver, J.H., Horton, B.H., Lockey, G.W.A. et al. Ultraviolet ion chamber measurements of the solar minimum brightness temperature. Sol Phys 27, 347–353 (1972). https://doi.org/10.1007/BF00153106

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  • DOI: https://doi.org/10.1007/BF00153106

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