Circular-Polarization and Total-Flux Measurements of Jupiter at 13.1-cm Wavelength

Abstract

Circular-polarization and total-flux measurements of Jupiter at a wavelength of 13.1 cm were made during April and May of 1969 with the 210-ft radio telescope at Goldstone, California. An upper limit to the net degree of circular polarization of 1% was established over the longitude range of the observations, and System III (1957.0). Total flux data have been used to derive a magnetosphere rotation period of .72+0.11, which is 0.35 sec longer than the standard IAU System III (1957.0). The total flux data define a beaming curve which has north-south symmetry about the magnetic equator, whereas the beaming curve produced from 1964 observations shows an asymmetry.