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50. Observations of brightness over the disk of the quiet sun at frequencies of 85, 500 and 1400 Mc./s.

  • J. L. Pawsey (a1)

Extract

Observations of radio emission from the quiet sun, which is believed to be due to thermal emission from the ionized gases of the solar atmosphere, provide information about the electron density and temperature throughout the atmosphere. Comprehensive information requires observations, preferably of the brightness distribution over the solar disk, over a large range of wave-lengths. Because such observations are both difficult and tedious it is desirable that a final model atmosphere should be based on a pool of observations taken by independent methods and observers. The following are recent contributions to this pool from the Radiophysics Laboratory.

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      50. Observations of brightness over the disk of the quiet sun at frequencies of 85, 500 and 1400 Mc./s.
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References

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1. Christiansen, W. N. and Warburton, J. A. Aust. J. Phys. 8, 474, 1955.
2. O'Brien, P. A. M.N. R.A.S. 113, 597, 1953.
3. Swarup, G. and Parthasarathy, R. Aust. J. Phys. 8, 487, 1955.
4. Stanier, H. M. Nature , 165, 354, 1950.
5. O'Brien, P. A. and Tandberg-Hanssen, E. Observatory , 75, 11, 1955.

50. Observations of brightness over the disk of the quiet sun at frequencies of 85, 500 and 1400 Mc./s.

  • J. L. Pawsey (a1)

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