Solar wind dependence of the Jovian hectometric radio emission - Comparison between Voyager 1 and 2 observations

Details Solar wind dependence of the Jovian hectometric radio emission - Comparison between Voyager 1 and 2 observations Solar wind dependence of the Jovian hectometric radio emission - Comparison between Voyager 1 and 2 observations

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...232..242r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 232, no. 1, June 1990, p. 242-250.

Astronomy and Astrophysics

Astronomy

5

Jupiter (Planet), Planetary Radiation, Radio Astronomy, Solar Wind, Voyager 1 Spacecraft, Voyager 2 Spacecraft, Comparison, Interplanetary Magnetic Fields, Kinetic Energy, Nonthermal Radiation, Jupiter, Solar Wind, Hectometer Waves, Radiowave Emissions, Procedure, Spacecraft Observations, Voyager Missions, Magnetic Field, Plasma, Interaction, Parameters, Density, Pressure, Kinetic Energy, Procedure, Flux, Origin, Source, Pra Instrument, Analysis

Scientific paper

Preencounter observations, taken by Voyager 1 and 2 during the periods Day of Year 1979 1-60 and 5-180, are used to show the extent of the relationship between various solar wind plasma and interplanetary magnetic field (IMF) parameters and Jupiter's nonthermal radio emission in the hectometer wavelength range (HOM). Utilizing linear cross correlation, a detailed overview of the relationship between all of the solar wind parameters that might influence planetary radio emission and the HOM energy is presented. Then, time-lagged response coefficients are calculated by using the linear prediction technique with single channel and multichannel time filtering to estimate the linear relationship between the solar wind as input and the HOM energy as output. The solar wind density, kinetic energy flux, and ram pressure are determined to be the primary drivers for the HOM. Results for the various IMF components suggest that IMF sector transitions are not responsible for stimulating the HOM energy output.

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