LANL PLASMA DATA FROM IMP-7

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LANL PLASMA DATA FROM IMP-7 (2-min. resolution)

This home page provides access to the IMP-7 2-minute resolution data set from the Electrostatic Analyzer instument provided over the years by Los Alamos National Laboratory (LANL). Magnetosheath data were excluded from the 2-min data by LANL.
The original ASCII data set is placed at SPDF's anonymous FTP site spdf.gsfc.nasa.gov in directory
https://spdf.gsfc.nasa.gov/pub/data/imp/imp7/plasma_lanl/solarwind_2min/
At this directory a user can find a description of the data .

Time span 1972-10-06 - 1978-09-30

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Spacecraft radial distance (Re)

Spacecraft latitude, deg., GSE

Spacecraft GSE longitude, deg., GSE

Proton density, N/cm^3

Proton flow speed, km/s

Proton flow azimuth, deg.

Proton Tpar (Tmax) temperature, deg. K

Proton Tperp (Tmin) temperature, deg. K

Proton pressure tensorsymmetry axis, deg.

Alpha/proton abundance ratio

Relative alpha-to-proton flow speed, km/sec

Relative alpha-to-proton flow azimuth, deg.

Alpha temperature/proton temperature

Alpha temperature anisotropy (Tmax/Tmin)

Alpha pressure tensor symmetry axis, deg.

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NASA Official: Robert Candey (Robert.M.Candey@nasa.gov), Head of the Space Physics Data Facility