MMS-4 FPI DIS Level-2 Fast ion moments (CDF)
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This dataset provides the moments of the ion distribution at the FAST cadence (4.5 s) computed from the full distribution function and corrected from a number of effects (including the spacecraft electrostatic potential). The dataset comprises the main moments: density, velocity vector, temperatures (and associated pressure tensor), and heat flux. They are provided in GSE frame. For more information on the FPI instruments, data set, and user guide, please see: MMS Science Data Center (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) MMS FPI Data Users and Products Guide (https://lasp.colorado.edu/galaxy/display/MFDPG/MMS+FPI+Data+Users+and+Products+Guide) FPI Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/mms-FPIReleaseNotes-220217.pdf)
本数据集提供了以FAST帧频(4.5秒下的离子分布矩,该矩由完整分布函数计算得到,并针对多种效应(包括航天器静电势)进行了校正。数据集包含主要矩量:数密度、速度矢量、温度(及相关压强张量)与热流。所有数据均采用地心太阳黄道坐标系(Geocentric Solar Ecliptic, GSE)。如需了解快速等离子体仪器(Fast Plasma Instrument, FPI)、本数据集及用户指南的更多信息,请参阅: 1. 磁层多尺度任务(MMS)科学数据中心(https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) 2. 《MMS FPI数据用户与产品指南(https://lasp.colorado.edu/galaxy/display/MFDPG/MMS+FPI+Data+Users+and+Products+Guide) 3. 《FPI版本说明》(https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/mms-FPIReleaseNotes-220217.pdf)




