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Merged 1-min Magnetic Field and Plasma Data from Geotail for Solar Wind only

This data set was created at GSFC/SPDF in 2007, using as input both 3-s MGF magnetic field data and 48-s CPI plasma data as obtained only during solar wind intervals. It has one record for every minute, including much fill data. Further details are available here.

The ASCII-formatted, despiked data set that underlies this interface user can get from FTP site

Time span of data set: 1995-01-01 2006-11-17

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Magnetic field
No. of mag points
B Field Magnitude (average of fine scale magnitudes), nT
Vector B Magnitude, nT
BY, nT (GSE)
BZ, nT (GSE)
BY, nT (GSM)
BZ, nT (GSM)
RMS (Scalar B), nT
RMS (Field vector), nT
RMS Bx, nT (GSE), nT
RMS By, nT (GSE), nT
RMS Bz, nT (GSE), nT
No. of plasma points
Flow Speed, km/s
Vx Velocity, GSE, km/s
Vy Velocity, GSE, km/s
Vz Velocity, GSE, km/s
Proton Density, n/cc
Proton Temperature, K
Spacecraft Position
X, GSE (Re)
Y, GSE (Re)
Z, GSE (Re)

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If you have any questions/comments about this service contact: Dr. Natalia Papitashvili, Space Space Physics Data Facility, Mail Code 672.4, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

NASA Official: Robert Candey (, Head of the Space Physics Data Facility