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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Characteristics of storm time ion composition in the near-Earth plasma sheet using Geotail and RBSP measurements

Fig. 1

Geomagnetic storm data from 20 November 2003 0400 UT to 21 November 2003 0500 UT, using Geotail satellite. a Sym-H, b, c interplanetary parameters (IMF Bz, Psw), d He+, e O+, f H+ ions energy density during storm (red) and quiet (blue) intervals, g O+/H+, h He+/H+ energy density ratio. The black vertical line shows the time of storm sudden commencement (SSC)

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