2.2.2 spase://VMO/NumericalData/OMNI/PT1M OMNI 1-min Data Set 2010-04-30T00:00:00Z High resolution (1-min), multi-source, near-Earth solar wind magnetic field and plasma data as shifted to Earth's bow shock nose, plus several 1-min geomagnetic activity indices. We acknowledge the experiment teams that acquired, processed and provided the OMNI-included data, and J.H. King and N.E. Papitashvili of NASA/GSFC for creating the OMNI data set. spase://SMWG/Person/Joseph.H.King GeneralContact spase://SMWG/Person/Natalia.E.Papitashvili TechnicalContact High Resolution OMNI Documentation http://omniweb.gsfc.nasa.gov/html/HROdocum.html Extensive OMNI documentation pages spase://SMWG/Instrument/ACE/MAG DerivedFrom spase://SMWG/Instrument/ACE/SWEPAM DerivedFrom spase://SMWG/Instrument/WIND/MFI DerivedFrom spase://SMWG/Instrument/WIND/SWE DerivedFrom spase://SMWG/Instrument/IMP8/MAG DerivedFrom spase://SMWG/Instrument/IMP8/PLS DerivedFrom spase://SMWG/Instrument/Geotail/MGF DerivedFrom spase://SMWG/Instrument/Geotail/CPI DerivedFrom spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTP access to CDFs at SPDF ftp://spdf.gsfc.nasa.gov/pub/data/omni/omni_cdaweb/hro_1min/ ftp access to monthly ASCII files of 1-min (10 MB/file) data and to annual ASCII files of 1-min (126 MB/file) and 5-min (25 MB/file) data. HTTP access to CDFs at SPDF http://spdf.gsfc.nasa.gov/pub/data/omni/omni_cdaweb/hro_1min/ In CDF via HTTP from SPDF CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open CDAWeb http://cdaweb.gsfc.nasa.gov/ OMNI_HRO_1MIN FTP access to ASCII files at SPDF ftp://spdf.gsfc.nasa.gov/pub/data/omni/high_res_omni/monthly_1min/ HTTP access to ASCII files at SPDF http://spdf.gsfc.nasa.gov/pub/data/omni/high_res_omni/monthly_1min/ In CDF via HTTP from SPDF OMNIWeb, High Resolution OMNI http://omniweb.gsfc.nasa.gov/ow_min.html 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. Text 10 MB P1M We acknowledge the experiment teams that acquired, processed and provided the OMNI-included data, and J.H. King and N.E. Papitashvili of NASA/GSFC for creating the OMNI data set. Calibrated spase://SMWG/Instrument/OMNI ThermalPlasma MagneticField ActivityIndex 1995-01-01T00:00:00 -P1M Various parameters are held current to differing levels. Typical delay is about 1-2 months. PT1M Heliosphere.NearEarth Year Column 01 Year. Temporal Doy Column 02 Decimal day of year (Jan 1 = Day 1). Temporal Hour Column 03 Decimal hour of day 0 23 Temporal Minute Column 04 Minute, start of the averaged interval 0 59 Temporal IMF spacecraft ID Column 05 ID for magnetic field data source spacecraft for this 3-hour interval. See documentation cited above. The following spacecraft IDs are used: +--------------+ | ACE | 71 | | Geotail | 60 | | IMP 8 | 50 | | Wind | 51 | +--------------+ 99 Other Plasma spacecraft ID Column 06 ID for plasma data source spacecraft for this 3-hour interval. See documentation cited above. The following spacecraft IDs are used: +--------------+ | ACE | 71 | | Geotail | 60 | | IMP 8 | 50 | | Wind | 51 | +--------------+ 99 Other IMF FTS PTS Column 07 Number of fine scale points in magnetic field parameter averages for this minute 999 Other Plasma FTS PTS Column 08 Number of fine scale points in plasma parameter averages for this minute 999 Other Percent interp Column 09 The percentage (0-100) of the points contributing to the 1-min magnetic field averages whose phase front normal (PFN) was interpolated because neither the MVAB-0 nor Cross Product shift techniques yielded a PFN that satisfied its respective tests (see detailed documentation for these). 999 Other time shift Column 10 Average time shift for all 15-s IMF values shifting into this minute. 999999 Other RMS, time shift Column 11 Standard deviation in time shift average of previous word. 999999 Other RMS, phase front normal Column 12 Standard deviation in phase front normal as averaged component-wise over the phase front normals determined for each 15-s IMF vector shifting into this minute. Note that standard deviations for the two vectors are given as the square roots of the sum of squares of the standard deviations in the component averages. The component averages are given in the records but not their individual standard deviations. 99.99 Other Time between observations Column 13 Difference between mean observation time of IMF data shifting into this minute and into preceding minute. Negative values suggest "out of sequence" BSN arrivals. 999999 Other Average magnetic field magnitude Column 14 Average of fine scale field magnitudes PT1M nT 9999.99 Magnitude Magnetic Magnetic field vector, GSE Averaged GSE Cartesian components of magnetic field vector PT1M nT Cartesian GSE 3 Three 1-minute averaged magnetic field Cartesian components, in GSE Bx, GSE Component.I 1 Column 15 By, GSE Component.J 2 Column 16 Bz, GSE Component.K 3 Column 17 9999.99 Component Magnetic Magnetic field vector, GSM Averaged GSM Cartesian components of magnetic field vector Note that Bx(GSM)=Bx(GSE) is given only once in data record. The GSM components are determined from post-shift GSE components. PT1M nT Cartesian GSM 3 Three 1-minute averaged magnetic field Cartesian components, in GSM Bx, GSM Component.I 1 Column 15 By, GSM Component.J 2 Column 18 Bz, GSM Component.K 3 Column 19 9999.99 Component Magnetic Standard deviation in average magnetic field magnitude Column 20 Standard derviation in average of fine scale field magnitudes PT1M nT 9999.99 StandardDeviation Magnetic Standard deviation of average magnetic field vector Column 21 Standard deviation of vector-averaged magnetic field vector. SQRT(sigma<Bx>**2 + sigma<By>**2 + Sigma<Bz>**2) Note that standard deviations for the two vectors are given as the square roots of the sum of squares of the standard deviations in the component averages. The component averages are given in the records but not their individual standard deviations. PT1M nT 9999.99 StandardDeviation Magnetic Plasma proton flow speed Column 22 Plasma proton flow speed, variously derived for various OMNI-input data sets. PT1H km/s 99999.9 Proton Average FlowSpeed Plasma velocity vector, GSE Averaged GSE Cartesian components of plasma velocity vector PT1M km/s Cartesian GSE 3 Three 1-minute averaged plasma flow velocity Cartesian components, in GSE Vx, GSE Component.I 1 Column 23 Vy, GSE Component.J 2 Column 24 Vz, GSE Component.K 3 Column 25 99999.9 Proton Average FlowVelocity Plasma proton density Column 26 Plasma proton density, variously derived for various OMNI-input data sets. Cross normalized PT1M number/cc 999.99 Proton Average NumberDensity Plasma proton temperature Column 27 Plasma proton temperature, variously derived for various OMNI-input data sets. Cross normalized PT1M K 9999999 Proton Average Temperature Flow pressure Column 28 P (nPa) = (1.67/10**6) * Np*V**2 * (1+ 4*Na/Np), created from 1-min averaged Np, Na, V PT1M nPa 99.99 Proton AlphaParticle Average Pressure VxB Electric Field Column 29 -V(km/s) * Bz (nT; GSM) * 10**-3; Minute-averaged V and Bz used; nearly Ey component PT1M mV/m Cartesian GSM 999.99 Average Electric Plasma beta Column 30 [(T*4.16/10**5) + 5.34] * Np / B**2 PT1M 999.99 PlasmaBeta Alfven Mach Number Column 31 (V * Np**0.5) / 20 * B PT1M 999.9 AlfvenMachNumber IMF source spacecraft location, GSE GSE Cartesian components of location of spacecraft providing IMF data PT1M Re Cartesian GSE 3 Three spacecraft location Cartesian components, in GSE Rx, GSE Component.I 1 Column 32 Ry, GSE Component.J 2 Column 33 Rz, GSE Component.K 3 Column 34 9999.99 Positional Bow shock nose location, GSE GSE Cartesian components of location of Earth's bow shock nose (BSN), to which data have been shifted. Dynamically computed from solar wind parameters. PT1M Re Cartesian GSE 3 Three bow shock nose location Cartesian components, in GSE BSNx, GSE Component.I 1 Column 35 BSNy, GSE Component.J 2 Column 36 BSNz, GSE Component.K 3 Column 37 9999.99 Positional AE Index Column_38 PT1M nT Other AL Index Column_39 PT1M nT Other AU Index Column_40 PT1M nT Other SYM/D Index Column_41 PT1M nT Other SYM/H Index Column_42 PT1M nT Other ASY/D Index Column_43 PT1M nT Other ASY/H Index Column_44 PT1M nT Other PCN Index Column_45 PT1M Other