27-day averaged, multi-source, near-Earth solar wind magnetic field, plasma and energetic proton flux data, plus AE, AU, AL, Kp, ap, and Dst geomagnetic indices, Polar Cap (Thule) index, F10.7 index, and Rz (sunspot number). Also available at 1-hour and 1-day resolution.
Version:2.2.9
27-day averaged, multi-source, near-Earth solar wind magnetic field, plasma and energetic proton flux data, plus AE, AU, AL, Kp, ap, and Dst geomagnetic indices, Polar Cap (Thule) index, F10.7 index, and Rz (sunspot number). Also available at 1-hour and 1-day resolution.
| Role | Person | |
|---|---|---|
| 1. | GeneralContact | spase://SMWG/Person/Joseph.H.King |
| 2. | TechnicalContact | spase://SMWG/Person/Natalia.E.Papitashvili |
Extensive OMNI documentation pages
Pathway to data and to extensive documentation. Plots, listings and user-specified files. Scatter plots and linear regressions. Distributions. Means, medians, standard deviations in distributions. Pathway to 1-min, 5-min, 1-hour, 1-day, 27-day averages.
ftp access to file of 27-day OMNI data
In CDF via HTTP from SPDF
Average of fine scale field magnitudes
Magnitude of vector-averaged magnetic field vector. SQRT(<Bx>2 + <By>2 +<Bz>**2)
Azimuthal angle of vector-averaged magnetic field vector. ARCTAN <By>/<Bx>
Elevation angle of vector-averaged magnetic field vector. ARCTAN <Bz>/SQRT(<Bx>2 + <By>2)
Averaged GSE Cartesian components of magnetic field vector
Three hourly averaged magnetic field Cartesian components, in GSE
Averaged GSM Cartesian components of magnetic field vector
Three hourly averaged magnetic field Cartesian components, in GSE
Standard deviations in averaged GSE Cartesian components of magnetic field vector
Three standard deviations in hourly averaged GSE magnetic field Cartesian components
Standard derviation in average of fine scale field magnitudes
Standard deviation of vector-averaged magnetic field vector. SQRT(sigma<Bx>2 + sigma<By>2 + Sigma<Bz>**2)
Plasma proton temperature, variously derived for various OMNI-input data sets. Cross normalized
Plasma proton density, variously derived for various OMNI-input data sets. Cross normalized
Plasma proton flow speed, variously derived for various OMNI-input data sets. Cross normalized
Angle from negative Xgse axis towards positive Ygse axis
Angle (lease angle) from GSE X-Y plane to flow vector
Alpha to proton density ratio
P (nPa) = (1.67/106) * NpV2 * (1+ 4Na/Np), created from hourly averaged Np, Na, V
An array of 6 standard deviations in the hourly averages of temperature, density, flow speed, two flow direction angles and the Na/Np ratio
An array of 6 standard deviations in the hourly averages of temperature, density, flow speed, two flow direction angles and the Na/Np ratio
-V(km/s) * Bz (nT; GSM) * 10**-3; Hourly averaged V and Bz used nearly Ey component
[(T4.16/105) + 5.34] * Np / B*2
(V * Np**0.5) / 20 * B
Kp index, but rather than standard 3-,3,3+, we use 27,30,33, etc.
ap index
Daily sunspot number
F10.7 solar index
Dst Index
AE Index
AL Index
AU Index
Polar Cap Index based on Thule
Hourly fluxes of protons above 1, 2, 4, 10, 30, 60 MeV;
1967-near current; 1973-2005 from IMP 8 CPME; 2006 and later from GOES
One flux for each of the 6 energy thresholds
Number of daily averages in 27-day magnetic field parameter averages for this day
Number of daily averages in 27-day plasma parameter averages for this day