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1.1.4 Pioneer 10 Observations of Zodiacal Light Brightness near the Ecliptic: Changes with Heliocentric Distance

M. S. Hanner, J. G. Sparrow, J. L. Weinberg, D. E. Beeson
1976 International Astronomical Union Colloquium  

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AbstractSky maps made by the Pioneer 10 Imaging Photopolarimeter (IPP) at sun-spacecraft distances from 1 to 3 AU have been analyzed to derive the brightness of the zodiacal light near the ecliptic at elongations greater than 90 degrees. The change in zodiacal light brightness with heliocentric distance is compared with models of the spatial distribution of the dust. Use of background starlight brightnesses derived from IPP measurements beyond the asteroid belt, where the zodiacal light is not
more » ... etected, and, especially, use of a corrected calibration lead to considerably lower values for zodiacal light than those reported by us previously.
doi:10.1017/s0252921100051332 fatcat:zjwyokobazecvexka7wodv5xua
Citation

M. S. Hanner, J. G. Sparrow, J. L. Weinberg, D. E. Beeson. "1.1.4 Pioneer 10 Observations of Zodiacal Light Brightness near the Ecliptic: Changes with Heliocentric Distance." International Astronomical Union Colloquium (1976) 29-35