2.2.2 spase://VMO/NumericalData/OMNI/PT1H OMNI Hourly Data Set 2010-04-30T00:00:00Z Hourly 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-day and 27-day resolution. 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 OMNI documentation at OMNIWeb http://omniweb.gsfc.nasa.gov/html/omni2_doc.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/IMP8/CPME DerivedFrom spase://SMWG/Instrument/Geotail/MGF DerivedFrom spase://SMWG/Instrument/Geotail/CPI DerivedFrom spase://SMWG/Instrument/GOES11/SEM 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/hourly/ ftp access to annual ASCII files of 1-hour OMNI data and to one full-time-span file for each 1-day and 27-day averages. HTTP access to CDFs at SPDF http://spdf.gsfc.nasa.gov/pub/data/omni/omni_cdaweb/hourly/ In CDF via HTTP from SPDF CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open CDAWeb http://cdaweb.gsfc.nasa.gov/ OMNI2_H0_MRG1HR FTP access to ASCII files at SPDF ftp://spdf.gsfc.nasa.gov/pub/data/omni/low_res_omni/ In CDF via HTTP from SPDF HTTP access to ASCII files at SPDF http://spdf.gsfc.nasa.gov/pub/data/omni/low_res_omni/ In CDF via HTTP from SPDF OMNIWeb http://omniweb.gsfc.nasa.gov/ow.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. Pathway to 1-min, 5-min, 1-day, 27-day averages. COHOWeb http://cohoweb.gsfc.nasa.gov/ Text 2524 KB P1Y 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 EnergeticParticles ActivityIndex 1963-01-01T00:00:00 -P1M Various parameters are held current to differing levels. Typical delay is about 1-2 months. PT1H 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, 1, ...23; average for "1" is from 01:00 to 02:00). Temporal BRN Column 04 Bartel's rotation number Other IMF spacecraft ID Column 05 ID for magnetic field data source spacecraft for this hour. See documentation cited above. +--------------------------------------------------------------------------------------------+ | Spacecraft/Instrument Name | Spacecraft ID | |---------------------------------------------------------------------------------------------| | IMP 1 (Explorer 18) | 18 | | IMP 3 (Explorer 28) | 28 | | IMP 4 (Explorer 34) | 34 | | IMP 5 (Explorer 41) | 41 | | IMP 6 (Explorer 43) | 43 | | IMP 7 (Explorer 47) MAG and Plasma/MIT | 47 | | IMP 7 (Explorer 47) Plasma/LANL | 44 | | IMP 8 (Explorer 50) MAG and Plasma/MIT | 50 | | IMP 8 (Explorer 50) Plasma/LANL | 45 | | AIMP 1 (Explorer 33) | 33 | | AIMP 2 (Explorer 35) | 35 | | HEOS 1 and HEOS 2 | 1 | | VELA 3 | 3 | | OGO 5 | 5 | | Merged LANL VELA Speed Data (July 1964 - March 1971) | 97 | | Merged LANL IMP T,N,V (Including all IMP 8 LANL Plasma) | 98 | | ISEE 1 | 11 | | ISEE 2 | 12 | | ISEE 3 | 13 | | PROGNOZ 10 | 10 | | WIND | 51 | | ACE | 71 | | Geotail | 60 | | No spacecraft | 99 | +---------------------------------------------------------------------------------------------+ 99 Other Plasma spacecraft ID Column 06 ID for plasma data source spacecraft for this hour. See documentation cited above. +--------------------------------------------------------------------------------------------+ | Spacecraft/Instrument Name | Spacecraft ID | |---------------------------------------------------------------------------------------------| | IMP 1 (Explorer 18) | 18 | | IMP 3 (Explorer 28) | 28 | | IMP 4 (Explorer 34) | 34 | | IMP 5 (Explorer 41) | 41 | | IMP 6 (Explorer 43) | 43 | | IMP 7 (Explorer 47) MAG and Plasma/MIT | 47 | | IMP 7 (Explorer 47) Plasma/LANL | 44 | | IMP 8 (Explorer 50) MAG and Plasma/MIT | 50 | | IMP 8 (Explorer 50) Plasma/LANL | 45 | | AIMP 1 (Explorer 33) | 33 | | AIMP 2 (Explorer 35) | 35 | | HEOS 1 and HEOS 2 | 1 | | VELA 3 | 3 | | OGO 5 | 5 | | Merged LANL VELA Speed Data (July 1964 - March 1971) | 97 | | Merged LANL IMP T,N,V (Including all IMP 8 LANL Plasma) | 98 | | ISEE 1 | 11 | | ISEE 2 | 12 | | ISEE 3 | 13 | | PROGNOZ 10 | 10 | | WIND | 51 | | ACE | 71 | | Geotail | 60 | | No spacecraft | 99 | +---------------------------------------------------------------------------------------------+ 99 Other IMF FTS PTS Column 07 Number of fine scale points in magnetic field parameter averages for this hour 999 Other Plasma FTS PTS Column 08 Number of fine scale points in plasma parameter averages for this hour 999 Other Average magnetic field magnitude Column 09 Average of fine scale field magnitudes PT1H nT 999.9 Magnitude Magnetic Magnitude of average magnetic field vector Column 10 Magnitude of vector-averaged magnetic field vector. SQRT(<Bx>**2 + <By>**2 +<Bz>**2) PT1H nT 999.9 Magnitude Magnetic Elevation angle of average magnetic field vector Column 11 Elevation angle of vector-averaged magnetic field vector. ARCTAN <Bz>/SQRT(<Bx>**2 + <By>**2) PT1H Deg Spherical GSE 999.9 DirectionAngle.ElevationAngle Magnetic Azimuthal angle of average magnetic field vector Column 12 Azimuthal angle of vector-averaged magnetic field vector. ARCTAN <By>/<Bx> PT1H Deg Spherical GSE 999.9 DirectionAngle.AzimuthAngle Magnetic Magnetic field vector, GSE Averaged GSE Cartesian components of magnetic field vector PT1H nT Cartesian GSE 3 Three hourly averaged magnetic field Cartesian components, in GSE Bx, GSE Component.I 1 Column 13 By, GSE Component.J 2 Column 14 Bz, GSE Component.K 3 Column 15 999.9 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. PT1H nT Cartesian GSM 3 Three hourly averaged magnetic field Cartesian components, in GSE Bx, GSM Component.I 1 Column 13 By, GSM Component.J 2 Column 16 Bz, GSM Component.K 3 Column 17 999.9 Component Magnetic Standard deviation in average magnetic field magnitude Column 18 Standard derviation in average of fine scale field magnitudes PT1H nT 999.9 StandardDeviation Magnetic Standard deviation of average magnetic field vector Column 19 Standard deviation of vector-averaged magnetic field vector. SQRT(sigma<Bx>**2 + sigma<By>**2 + Sigma<Bz>**2) PT1H nT 999.9 StandardDeviation Magnetic Standard deviations in GSE component averages Standard deviations in averaged GSE Cartesian components of magnetic field vector PT1H nT Cartesian GSE 3 Three standard deviations in hourly averaged GSE magnetic field Cartesian components sigma Bx, GSE Component.I 1 Column 20 sigma By, GSE Component.J 2 Column 21 sigma Bz, GSE Component.K 3 Column 22 999.9 StandardDeviation Magnetic Plasma proton temperature Column 23 Plasma proton temperature, variously derived for various OMNI-input data sets. Cross normalized PT1H DegK 9999999 Proton Average Temperature Plasma proton density Column 24 Plasma proton density, variously derived for various OMNI-input data sets. Cross normalized PT1H number/cc 999.9 Proton Average NumberDensity Plasma proton flow speed Column 25 Plasma proton flow speed, variously derived for various OMNI-input data sets. Cross normalized PT1H km/s 9999 Proton Average FlowSpeed Flow azimuth angle Column 26 Angle from negative Xgse axis towards positive Ygse axis PT1H Deg 999.9 Proton DirectionAngle.AzimuthAngle FlowVelocity Flow elevation angle Column 27 Angle (lease angle) from GSE X-Y plane to flow vector PT1H Deg 999.9 Proton DirectionAngle.ElevationAngle FlowVelocity Alpha to proton density ratio Column 28 Alpha to proton density ratio PT1H 9.999 AlphaParticle Proton Ratio NumberDensity Flow pressure Column 29 Flow pressure. P (nPa) = (1.67/10**6) * Np*V**2 * (1+ 4*Na/Np) Created from hourly averaged Np, Na, V PT1H nPa 99.99 Proton AlphaParticle Average Pressure Plasma parameter standard deviations An array of 6 standard deviations in the hourly averages of temperature, density, flow speed, two flow direction angles and the Na/Np ratio The units of the standard deviations match the units of the parent parameters. PT1H 6 An array of 6 standard deviations in the hourly averages of temperature, density, flow speed, two flow direction angles and the Na/Np ratio SigmaT 1 Column 30 9999999 SigmaN 2 Column 31 999.9 SigmaV 3 Column 32 9999 sigmaPhiV 4 Column 33 999.9 SigmaThetaV 5 Column 34 999.9 SigmaNa/Np 6 Column 35 9.999 Proton StandardDeviation NumberDensity VxB Electric Field Column 36 VxB electric field. -V(km/s) * Bz (nT; GSM) * 10**-3 Hourly averaged V and Bz used, the product is nearly the Ey component. PT1H mV/m Cartesian GSM 999.99 Average Electric Plasma beta Column 37 Plasma beta [(T*4.16/10**5) + 5.34] * Np / B**2 PT1H 999.99 PlasmaBeta Alfven Mach Number Column 38 Alfven Mach number (V * Np**0.5) / 20 * B PT1H 999.9 AlfvenMachNumber Kp Index Column 39 Kp index, but rather than standard 3-,3,3+, we use 27,30,33, etc. PT3H Other Sunspot Number Column 40 Daily sunspot number P1D Other Dst Index Column 41 Dst Index Note that quick look values are given for most recent times, to be replaced by preliminary values as they become available, in turn to be replaced by definitive values as they become available PT1H nT Other AE Index Column 42 AE Index Note that quick look values are given for most recent times, to be replaced by preliminary values as they become available, in turn to be replaced by definitive values as they become available PT1H nT Other Energetic Proton Fluxes 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 PT1H number/cm**2 sec ster 6 One flux for each of the 6 energy thresholds Proton flux >1 Mev 1 Column 43 Proton flux >2 Mev 2 Column 44 Proton flux >4 Mev 3 Column 45 Proton flux >10 Mev 4 Column 46 Proton flux >30 Mev 5 Column 47 Proton flux >6 Mev 6 Column 48 999999.99 Proton Average NumberFlux ap Index Column 50 ap index PT3H Other F10.7 Index Column 51 F10.7 solar index P1D Other Polar Cap (N) Index Column 52 Polar Cap Index based on Thule PT1H Other AL Index Column 53 AL Index Note that quick look values are given for most recent times, to be replaced by preliminary values as they become available, in turn to be replaced by definitive values as they become available PT1H nT Other AU Index Column 54 AU Index Note that quick look values are given for most recent times, to be replaced by preliminary values as they become available, in turn to be replaced by definitive values as they become available PT1H nT Other