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Jovian Auroral Plasma Distributions Experiment
JAD


Rather than repeat information, we refer the reader to the Open Access instrument paper in Space Science Reviews for a full description of the JADE instrument. Below we provide the DOI link to the paper, reference and the abstract that gives an overview of the instrument.

DOI:
10.1007/s11214-013-9990-9
Abstract: The Jovian Auroral Distributions Experiment (JADE) on Juno provides the critical in situ measurements of electrons and ions needed to understand the plasma energy particles and processes that fill the Jovian magnetosphere and ultimately produce its strong aurora. JADE is an instrument suite that includes three essentially identical electron sensors (JADE-Es), a single ion sensor (JADE-I), and a highly capable Electronics Box (EBox) that resides in the Juno Radiation Vault and provides all necessary control, low and high voltages, and computing support for the four sensors. The three JADE-Es are arrayed 120 degs apart around the Juno spacecraft to measure complete electrondistributions from ~0.1 to 100 keV and provide detailed electron pitch-angle distributions at a 1 s cadence, independent of spacecraft spin phase. JADE-I measures ions from ~5 eV to ~50 keV over an instantaneous field of view of 270 degs x 90 degs in 4 s and makes observations over all directions in space each 30 s rotation of the Juno spacecraft. JADE-I also provides ion composition measurements from 1 to 50 amu with m/delta-m ~2.5, which is sufficient to separate the heavy and light ions, as well as O+ vs. S+, in the Jovian magnetosphere. All four sensors were extensively tested and calibrated in specialized facilities, ensuring excellent on-orbit observations at Jupiter. This paper documents the JADE design, construction, calibration, and planned science operations, data processing, and data products. Finally, the Appendix describes the Southwest Research Institute [SwRI] electron calibration facility, which was developed and used for all JADE-E calibrations. Collectively, JADE provides remarkably broad and detailed measurements of the Jovian auroral region and magnetospheric plasmas, which will surely revolutionize our understanding of these important and complex regions.
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JUNO


Rather than repeat information, we refer the reader to the Open Access instrument paper in Space Science Reviews for a full description of the JADE instrument. Below we provide the DOI link to the paper, reference and the abstract that gives an overview of the instrument.

DOI:
10.1007/s11214-013-9990-9
Abstract: The Jovian Auroral Distributions Experiment (JADE) on Juno provides the critical in situ measurements of electrons and ions needed to understand the plasma energy particles and processes that fill the Jovian magnetosphere and ultimately produce its strong aurora. JADE is an instrument suite that includes three essentially identical electron sensors (JADE-Es), a single ion sensor (JADE-I), and a highly capable Electronics Box (EBox) that resides in the Juno Radiation Vault and provides all necessary control, low and high voltages, and computing support for the four sensors. The three JADE-Es are arrayed 120 degs apart around the Juno spacecraft to measure complete electrondistributions from ~0.1 to 100 keV and provide detailed electron pitch-angle distributions at a 1 s cadence, independent of spacecraft spin phase. JADE-I measures ions from ~5 eV to ~50 keV over an instantaneous field of view of 270 degs x 90 degs in 4 s and makes observations over all directions in space each 30 s rotation of the Juno spacecraft. JADE-I also provides ion composition measurements from 1 to 50 amu with m/delta-m ~2.5, which is sufficient to separate the heavy and light ions, as well as O+ vs. S+, in the Jovian magnetosphere. All four sensors were extensively tested and calibrated in specialized facilities, ensuring excellent on-orbit observations at Jupiter. This paper documents the JADE design, construction, calibration, and planned science operations, data processing, and data products. Finally, the Appendix describes the Southwest Research Institute [SwRI] electron calibration facility, which was developed and used for all JADE-E calibrations. Collectively, JADE provides remarkably broad and detailed measurements of the Jovian auroral region and magnetospheric plasmas, which will surely revolutionize our understanding of these important and complex regions.

The Planetary Plasma Interactions (PPI) Node of the Planetary Data System (PDS)





External Reference

 
  • McComas, D.J., et al. (2017), The Jovian Auroral Distributions Experiment (JADE) on the Juno Mission to Jupiter, Space Science Reviews, 213, 547-643, doi:10.1007/s11214-013-9990-9.
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