Ion Parameters Dataset From Juno/JADE Observations in Jupiter's Magnetosphere Between 10 and 50 RJ

被引:0
|
作者
Wang, Jian-zhao [1 ,2 ]
Bagenal, Fran [1 ]
Wilson, Robert J. [1 ]
Valek, Philip W. [3 ]
Ebert, Robert W. [3 ,4 ]
Allegrini, Frederic [3 ,4 ]
机构
[1] Univ Colorado Boulder, Lab Atmospher & Space Phys, Boulder, CO 80309 USA
[2] Univ Colorado Boulder, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA
[3] Southwest Res Inst, San Antonio, TX USA
[4] Univ Texas San Antonio, San Antonio, TX USA
基金
美国国家航空航天局;
关键词
juno; JADE; ion; plasma; forward model; MAGNETIC-FIELD; PLASMA; TORUS; MODEL;
D O I
10.1029/2024JA033454
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
After its arrival at Jupiter in July 2016, Juno conducted a global survey of Jupiter's magnetosphere (especially the equatorial plasma disk region) with its highly eccentric polar orbit. Since then, the JADE instrument has accumulated a large amount of plasma measurements. Using a developed forward modeling method and the Alpine supercomputer cluster at CU Boulder, we fit all ion measurements between 10 and 50 RJ ${\mathrm{R}}_{\mathrm{J}}$ from PJ5 to PJ56, obtaining a dataset with 70,487 good fits that consists of the following set of plasma parameters: abundances of different heavy ions, density, temperature, and 3-D bulk flow velocity of heavy ions. An overview of the dataset and an example use on flux tube interchange are presented to illustrate its effectiveness and usefulness. In the investigated interchange event that occurred at similar to ${\sim} $14 RJ ${\mathrm{R}}_{\mathrm{J}}$, the plasma disk is variable and heated, with alternating hotter inflows and colder outflows, accompanied by small perturbations in the magnetic fields. This dataset has the potential for many applications.
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页数:12
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