Of each word in the records, (e) results of analysis of the 1998-2000 Interspersed HRO), including their record formats and meanings Various data sets created (spacecraft-specific and the spacecraft. Values and shifted 1-2 min plasma values, (d) discussion of the (c) the building of 1-min averages from the shifted 15-16 sec IMF Multiple PFN determination techniques available and includingĬonsideration and handling of "out-of-sequence" arrivals, Preparations, (b) the time shifting used, including discussion of the This note addresses in sequence: (a) the input data sets and their Time tags in records of all these products are target-arrival times (d) a 5-min averaged version of HRO having GOES proton fluxes appended. That we call the High Resolution OMNI (HRO) data set and (c) a 1-min spacecraft-interspersed data set at the bow shock nose (1973-2000) and Geotail (1995-2006) magnetic field and plasma data sets (b) 1-min and 5-min averaged ACE (1998-present), Wind (1995-present), IMP 8 Persons can make independent judgements on the relativeĮffectiveness of the various shift techniques, Shifted to the Wind location by each of the four shift techniques,Īlong with 1-min unshifted Wind averages, with which interested (a) 1-min averaged 1998-2000 ACE magnetic field and plasma data The family of products introduced herein consist of Two separate combinings of these, for a total of four shift techniques. Identify and compare results of two distinct PFN determinationĪnalysis techniques (minimum variance and cross products) and Time shifting is use of the phase front normal (PFN) directions, whichĪre to be determined individually for each input 15-16 sec magneticįield observation by analysis of it and its near neighbors. That the phase front sweeps over that location. On a planar surface (a "phase front") convecting with the solar wind,Īnd that the same values will be seen at a different place at the time Time shifting is based on the assumption that solar wind magneticįield values observed by a spacecraft at a given time and place lie Shifted using various techniques to the Wind location.
In addition, we address 1998-2000 1-min ACE data sets Studies of the effects of solar wind variations on the magnetosphere and These products are primarily intended to support Protons above 10, 30 and 60 MeV to 5-min OMNI. The IMP 8 shifted data were extended back in time to , Initially the data were for 1995 to near-current. IMP 8 spacecraft were processed in 2005-6, while Geotail data were added Time-shifted to the Earth's bow shock nose. This note describes the building and contents of several 1-min- andĥ-min resolution, solar wind magnetic field and plasma data sets Selection criteria for which data (e.g., ACE or Wind) for HRO. Dependence of predictability on technique, variance, IP Joe King and Natalia Papitashvili, GSFC/SPDF and ADNET Systems, Inc. OMNIWeb Data Explorer One min and 5-min solar wind data sets The following material describes the content and building of this HRO This "High Resolution OMNI" (HRO) data set involves an interspersal ofīSN-shifted ACE, Wind, IMP 8 and Geotail data. The data made accessible through this interface are 1-min-averaged, field/plasma data sets shifted to theĮarth's bow shock nose(BSN).
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