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1) ACE CRIS L2 1-day Z=3-28 flux data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/CRIS/PT86400S
Start:1997-08-14 00:00:00 Observatory:ACE Cadence:86400 seconds
Stop:2016-09-14 08:00:05 Instrument:Cosmic Ray Isotope Spectrometer (CRIS) Resource:NumericalData
ACE CRIS L2 1-day Z=3-28 flux data at ASC

2) ACE Electron Proton Alpha Monitor (EPAM) Daily-Averaged Flux Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/MFSA/P1D
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:1 day
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 26 data sets of daily-averaged, background-corrected energetic particle fluxes. Various data sets have fluxes that are: spin-averaged or spin-sectored; if sectored then from one of four telescope apertures (LEMS30, LEFS60, LEMS120, LEFS150); of ~63-4430 keV protons or ~40-360 keV electrons or 100-6500 keV/n Z>1 ions where any one of these energy ranges is partitioned into 10-25 energy bins; in the spacecraft rest frame or solar wind rest frame. Each of the 26 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

3) ACE Electron Proton Alpha Monitor (EPAM) 17-min-Averaged Flux Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/MFSA/PT17M
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:17 minutes
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 26 data sets of 17-min-averaged, background-corrected energetic particle fluxes. Various data sets have fluxes that are: spin-averaged or spin-sectored; if sectored then from one of four telescope apertures (LEMS30, LEFS60, LEMS120, LEFS150); of ~63-4430 keV protons or ~40-360 keV electrons or 100-6500 keV/n Z>1 ions where any one of these energy ranges is partitioned into 10-25 energy bins; in the spacecraft rest frame or solar wind rest frame. Each of the 26 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

4) ACE Electron Proton Alpha Monitor (EPAM) Hourly-Averaged Flux Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/MFSA/PT1H
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:1 hour
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 26 data sets of hourly-averaged, background-corrected energetic particle fluxes. Various data sets have fluxes that are: spin-averaged or spin-sectored; if sectored then from one of four telescope apertures (LEMS30, LEFS60, LEMS120, LEFS150); of ~63-4430 keV protons or ~40-360 keV electrons or 100-6500 keV/n Z>1 ions where any one of these energy ranges is partitioned into 10-25 energy bins; in the spacecraft rest frame or solar wind rest frame. Each of the 26 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

5) ACE EPAM PHA Daily-Averaged Spectra maxmize
Resource ID:spase://VEPO/NumericalData/ACE/EPAM/PHA/G122
Start:1997-08-30 00:00:00 Observatory:ACE Cadence:1 day
Stop:2016-09-14 07:55:46 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
Daily-averaged species-separated energy spectra derived from the Pulse Height Analyzer. Data consist of counts and fluxes of each of six species (He, C, O, Ne, Si, Fe) in each of 12 energy bins.

6) ACE Electron Proton Alpha Monitor (EPAM) 5-minute Key Parameter data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/PT300S
Start:2010-03-01 00:00:00 Observatory:ACE Cadence:300 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This set of key parameters contain ACE EPAM 5-minute spin averaged proton (0.76-1.22 MeV), alpha particle (0.047-0.065 MeV, 0.112-0.187 MeV, 0.310-0.580 MeV, and 1.06-1.91 MeV), and electron (0.038-0.053 MeV and 0.175-0.315 MeV) fluxes.

7) ACE Electron Proton Alpha Monitor (EPAM) 1-hour Key Parameter data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/PT3600S
Start:2010-03-01 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This set of key parameters contain ACE EPAM 1-hour spin averaged proton (0.76-1.22 MeV), alpha particle (0.047-0.065 MeV, 0.112-0.187 MeV, 0.310-0.580 MeV, and 1.06-1.91 MeV), and electron (0.038-0.053 MeV and 0.175-0.315 MeV) fluxes.

8) ACE Electron Proton Alpha Monitor (EPAM) Daily Count Rate Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/RATES/P1D
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:1 day
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 8 data sets of EPAM count rates averaged over 1-day intervals in each of several energy bins. One data set (PG65) has spin-averaged rates while the other 7 have rates in each of 4 or 8 spin sectors. Each of the 7 sectored data sets is specific to a given one of the several EPAM instruments (apertures). Each of the 8 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

9) ACE Electron Proton Alpha Monitor (EPAM) 12-sec Count Rate Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/RATES/PT12S
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:12 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 8 data sets of EPAM count rates averaged over 12-sec intervals in each of several energy bins. One data set (PG65) has spin-averaged rates while the other 7 have rates in each of 4 or 8 spin sectors. Each of the 7 sectored data sets is specific to a given one of the several EPAM instruments (apertures). Each of the 8 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

10) ACE Electron Proton Alpha Monitor (EPAM) Hourly Count Rate Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/RATES/PT1H
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:1 hour
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 8 data sets of EPAM count rates averaged over 1-hour intervals in each of several energy bins. One data set (PG65) has spin-averaged rates while the other 7 have rates in each of 4 or 8 spin sectors. Each of the 7 sectored data sets is specific to a given one of the several EPAM instruments (apertures). Each of the 8 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

11) ACE Electron Proton Alpha Monitor (EPAM) 5-min Count Rate Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/EPAM/RATES/PT5M
Start:1990-01-01 00:00:00 Observatory:ACE Cadence:5 minutes
Stop:2016-09-14 08:00:05 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
This descriptor identifies an ensemble of 8 data sets of EPAM count rates averaged over 5-min intervals in each of several energy bins. One data set (PG65) has spin-averaged rates while the other 7 have rates in each of 4 or 8 spin sectors. Each of the 7 sectored data sets is specific to a given one of the several EPAM instruments (apertures). Each of the 8 data sets is individually described in the VHO/VEPO interface at http://vho.gsfc.nasa.gov.

12) ACE 27-day Survey Plots maxmize
Resource ID:spase://VSPO/DisplayData/ACE/MAG/27-Day
Start:1997-08-25 00:00:00 Observatory:ACE Cadence:
Stop:2016-09-14 07:59:49 Instrument:ACE Magnetic Field Instrument Resource:DisplayData
27-day gif_walk plots, selected ACE mag field and plasma data

13) ACE Daily Survey Plots maxmize
Resource ID:spase://VSPO/DisplayData/ACE/MAG/Daily
Start:1997-09-02 00:00:00 Observatory:ACE Cadence:
Stop:2016-09-14 07:59:49 Instrument:ACE Magnetic Field Instrument Resource:DisplayData
Daily gif_walk plots, ACE mag field and plasma data

14) ACE MAG 16-s Key Parameter (recent) data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG/KeyParameters/PT16S
Start:2002-07-01 00:00:00 Observatory:ACE Cadence:16 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Magnetic Field Instrument Resource:NumericalData
ACE Magnetic Field 16-Second Key Parameters

15) ACE MAG 1-hr Key Parameter (recent) data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG/KeyParameters/PT3600S
Start:2002-07-01 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Magnetic Field Instrument Resource:NumericalData
ACE Magnetic Field 1-Hour Key Parameters

16) ACE MAG L2 1-s magnetic field data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG/PT1S
Start:1999-01-01 00:00:00 Observatory:ACE Cadence:1 second
Stop:2016-09-14 08:00:05 Instrument:ACE Magnetic Field Instrument Resource:NumericalData
ACE MAG L2 1-second magnetic field data at ASC

17) ACE MAG L2 4-min magnetic field data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG/PT240S
Start:1997-09-01 00:00:00 Observatory:ACE Cadence:240 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Magnetic Field Instrument Resource:NumericalData
ACE MAG L2 4-min magnetic field data at ASC

18) ACE MAG 5-min Key Parameter (recent) data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG/PT300S
Start:2002-07-01 00:00:00 Observatory:ACE Cadence:300 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Magnetic Field Instrument Resource:NumericalData
ACE Magnetic Field 5-Minute Key Parameters

19) ACE MAG L2 1-hr magnetic field data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG/PT3600S
Start:1997-09-01 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Magnetic Field Instrument Resource:NumericalData
ACE MAG L2 1-hr, 1-day, 27-day magnetic field averages at ASC

20) ACE MAG SWEPAM 4-min merged IMF+plasma data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG_SWEPAM/PT240S
Start:1998-02-05 00:00:00 Observatory:ACE Cadence:240 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Solar Wind Electron, Proton and Alpha Monitor (SWEPAM) Resource:NumericalData
ACE MAG and SWEPAM 4-min merged magnetic field and plasma parameter moments data at NSSDC

21) ACE MAG SWEPAM L2 64-s merged IMF+plasma data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/MAG_SWEPAM/PT64S
Start:1998-02-05 00:00:00 Observatory:ACE Cadence:64 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Solar Wind Electron, Proton and Alpha Monitor (SWEPAM) Resource:NumericalData
ACE MAG and SWEPAM L2 64-s merged magnetic field and plasma parameter moments data at ASC

22) ACE SEPICA L2 2-min H and He flux data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SEPICA/PT120S
Start:1997-10-07 00:00:00 Observatory:ACE Cadence:120 seconds
Stop:2016-09-14 08:00:05 Instrument:Solar Energetic Particle Ionic Charge Analyzer (SEPICA) Resource:NumericalData
ACE SEPICA L2 2-min H and He flux data, by charge states, at ASC

23) ACE SEPICA L2 hourly Z=1-26 flux data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SEPICA/PT3600S
Start:1997-10-07 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:Solar Energetic Particle Ionic Charge Analyzer (SEPICA) Resource:NumericalData
ACE SEPICA L2 hourly and daily Z=1-26 (8 Z's) flux data, by charge states, at ASC

24) ACE SIS 1-Hr Key Parameter Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SIS/PT3600S
Start:1997-08-28 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:Solar Isotope Spectrometer (SIS) Resource:NumericalData
ACE SIS (Solar Isotope Spectrometer) 1-Hr Key Parameter Data

25) ACE SWEPAM STEA Electron Pitch Angle Plots maxmize
Resource ID:spase://VSPO/DisplayData/ACE/SWEPAM/PLOTS
Start:1997-10-27 00:00:00 Observatory:ACE Cadence:
Stop:2016-09-14 07:59:49 Instrument:ACE Solar Wind Electron, Proton and Alpha Monitor (SWEPAM) Resource:DisplayData
ACE SWEPAM STEA electron pitch angle plots, 12 hours per frame, 10 energy channels from 73 eV to 1.73 keV, one panel per energy channel

26) ACE SWEPAM 5-min Key Parameter (recent) data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWEPAM/PT300S
Start:2002-07-01 00:00:00 Observatory:ACE Cadence:300 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Solar Wind Electron, Proton and Alpha Monitor (SWEPAM) Resource:NumericalData
ACE SWEPAM Solar Wind Plasma Experiment 5-Minute Key Parameters [PRELIM]

27) ACE SWEPAM L2 hourly plasma parameter data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWEPAM/PT3600S
Start:1998-02-05 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:ACE Solar Wind Electron, Proton and Alpha Monitor (SWEPAM) Resource:NumericalData
ACE SWEPAM L2 1-hr, 1-day and 27-day plasma parameter moments averages at ASC

28) ACE SWEPAM/SWICS Level 3 Merged Solar Wind Proton Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWEPAM/SWICS/PT12M
Start:1998-01-28 00:00:12 Observatory:ACE Cadence:12 minutes
Stop:2016-09-14 08:00:05 Instrument:ACE Solar Wind Electron, Proton and Alpha Monitor (SWEPAM) Resource:NumericalData
These data files contain 12-min resolution solar wind proton flow velocity (GSE, RTN and GSM components), scalar speed, density, and (radial component of) temperature, plus the alpha particle to proton density ratio. The data are typically from the SWEPAM instrument. But because SWEPAM has reduced sensitivity at the lowest energies, and at times underestimates the proton density, especially for very slow wind, proton density is sometimes culled from low-speed (.LT. ~350 km/s) intervals in the SWEPAM Level 2 data, and proton temperature may also be culled. More rarely, the solar wind velocity may also be culled, especially during periods of both high solar energetic particle background and high wind speeds. In these cases, SWICS-determined proton density and temperature, and possibly also flow speed (not velocity vectors), are included in the data records, with a flag to indicate whether, and which, SWICS parameters are in the records. As of July, 2012, data were available to the end of 2009.

29) ACE SWICS 2.0 Solar Wind 2-Hour Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWICS/L2/PT2H
Start:2012-06-01 00:00:00 Observatory:ACE Cadence:2 hours
Stop:2016-09-14 08:00:05 Instrument:Solar Wind Ion Composition Spectrometer (SWICS) Resource:NumericalData
The SWICS 2.0 dataset consists of time series measurements by ACE/SWICS of the elemental abundance, charge state composition, and kinetic distribution of heavy ions in the solar wind. This data set begins after August 23, 2011, when a radiation and age-induced hardware anomaly altered the instrument's operational state. It should not be confused with SWICS 1.1, the recalibrated data set extending from launch up to the anomaly. SWICS 2.0 continues to make heavy ion measurements which are not available from any other instrument, and new data analysis methods have been developed to address the statistical and calibration issues of the current instrument state.

30) ACE SWICS Solar Wind Data from the ACE Science Center maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWICS_SWIMS/L2/HDF
Start:1998-02-04 00:00:00 Observatory:ACE Cadence:
Stop:2016-09-14 08:00:05 Instrument:Solar Wind Ion Mass Spectrometer (SWIMS) Resource:NumericalData
The Solar Wind Ion Composition Spectrometer (SWICS) Solar Wind Data set consists of time series measurements of the elemental abundance, charge state composition, and kinetic properties of heavy ions in the solar wind. Time resolutions: 1 hour, 2 hour, and 1 day. (Not all products are delivered at all time-resolutions.) This descriptor comprises two sets of data: (1)The SWICS 1.1 data set which covers launch up to August 23, 2011, when a radiation and age-induced hardware anomaly altered the instrument's operational state. (2)The SWICS 2.0 data set which begins after August 23, 2011, and includes a subset of the items included in the SWICS 1.1 data set, as well as the O+8/O+6 ratio.

31) ACE SWICS 1.1 Solar Wind Daily-averaged Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWICS_SWIMS/L2/PT24HR
Start:1998-01-01 00:00:00 Observatory:ACE Cadence:24 hours
Stop:2011-08-23 00:00:00 Instrument:Solar Wind Ion Mass Spectrometer (SWIMS) Resource:NumericalData
This ACE SWICS 1.1 data set contains Solar Wind Ion Composition Spectrometer (SWICS) level-2 daily averaged solar wind parameters, including composition (He/O, C/O, N/O, Ne/O, Mg/O, Si/O, S/O, Fe/O), bulk ion speed (He+2) and charge states (C+6/C+5, O+7/O+6 Carbon, Oxygen, Fe) at all solar wind speeds above 300 km/s (protons) and 170 km/s (Fe+16). Distribution functions of H and He isotopes are measured of both solar and interstellar sources up to energies of 100 keV/e. Please note the N/O and S/O composition data are not present in the 1-hour or 2-hour SWICS datasets. This SWICS 1.1 dataset consists of a re-release of significantly improved time series measurements by ACE/SWICS of the elemental abundance, charge state composition, and kinetic properties of heavy ions in the solar wind. It is a major new version produced with completely redesigned analysis methods to account more rigorously for instrumental and statistical effects (Shearer et al. 2014). Rare elements are now identified more reliably and estimates of statistical error are provided. These release notes describe the data, the methods used to determine them, and issues of data quality and measurement uncertainty.

32) ACE SWICS 1.1 Solar Wind 2-Hour Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWICS_SWIMS/L2/PT2HR
Start:1998-01-01 00:00:00 Observatory:ACE Cadence:2 hours
Stop:2011-08-23 00:00:00 Instrument:Solar Wind Ion Mass Spectrometer (SWIMS) Resource:NumericalData
This ACE SWICS 1.1 data set contains Solar Wind Ion Composition Spectrometer (SWICS) level-2 2-hr averaged solar wind parameters, including density (He+2), bulk and thermal ion speeds (He+2, C+5, O+6, Fe+10), composition (He/O, C/O, Ne/O, Mg/O, Si/O, Fe/O), and charge states (C+6/C+5, O+7/O+6 Carbon, Oxygen, Fe, Ne, Mg, Si) and solar wind type indicators at all solar wind speeds above 300 km/s (protons) and 170 km/s (Fe+16). Distribution functions of H and He isotopes are measured of both solar and interstellar sources up to energies of 100 keV/e. This SWICS 1.1 dataset consists of a re-release of significantly improved time series measurements by ACE/SWICS of the elemental abundance, charge state composition, and kinetic properties of heavy ions in the solar wind. It is a major new version produced with completely redesigned analysis methods to account more rigorously for instrumental and statistical effects (Shearer et al. 2014). Rare elements are now identified more reliably and estimates of statistical error are provided. These release notes describe the data, the methods used to determine them, and issues of data quality and measurement uncertainty.

33) ACE SWICS 1.1 Solar Wind 2-Hour Q-State Distribution Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWICS_SWIMS/L2/PT2HR_QState
Start:1998-02-04 00:00:00 Observatory:ACE Cadence:2 hours
Stop:2011-08-23 00:00:00 Instrument:Solar Wind Ion Mass Spectrometer (SWIMS) Resource:NumericalData
This ACE SWICS 1.1 data set contains Solar Wind Ion Composition Spectrometer (SWICS) level-2 2-hr data of actual Q-state distributions of carbon, oxygen, neon, magnesium, silicon and iron, as opposed to the averaged Q-states that have been available on CDAWeb for some time. This SWICS 1.1 dataset consists of a re-release of significantly improved time series measurements by ACE/SWICS of the elemental abundance, charge state composition, and kinetic properties of heavy ions in the solar wind. It is a major new version produced with completely redesigned analysis methods to account more rigorously for instrumental and statistical effects (Shearer et al. 2014). Rare elements are now identified more reliably and estimates of statistical error are provided. These release notes describe the data, the methods used to determine them, and issues of data quality and measurement uncertainty.

34) ACE SWICS 1.1 Solar Wind 1-Hour Data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/SWICS_SWIMS/L2/PT3600S
Start:1998-01-23 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2011-08-23 00:00:00 Instrument:Solar Wind Ion Mass Spectrometer (SWIMS) Resource:NumericalData
ACE SWICS_SWIMS 1.1 L2 1-hr, 1-d, 27-d solar wind He, Mg, O, Fe TnV data, plus species ratios and charge states, at ASC. This SWICS 1.1 dataset consists of a re-release of significantly improved time series measurements by ACE/SWICS of the elemental abundance, charge state composition, and kinetic properties of heavy ions in the solar wind. It is a major new version produced with completely redesigned analysis methods to account more rigorously for instrumental and statistical effects (Shearer et al. 2014). Rare elements are now identified more reliably and estimates of statistical error are provided. These release notes describe the data, the methods used to determine them, and issues of data quality and measurement uncertainty.

35) ACE Ultra Low Energy Isotope Spectrometer 1-Hour Level 2 Data maxmize
Resource ID:spase://VEPO/NumericalData/ACE/ULEIS/L2_PT1H
Start:1998-02-20 00:00:00 Observatory:ACE Cadence:1 hour
Stop:2016-09-14 07:55:45 Instrument:ACE Electron Proton Alpha Monitor Resource:NumericalData
The Ultra Low Energy Isotope Spectrometer measures ion fluxes over the charge range from H through Ni from about 20 keV/nucleon to 10 MeV/nucleon, thus covering both suprathermal and energetic particle energy ranges. Exploratory measurements of ultra-heavy species (mass range above Ni) will also be performed in a more limited energy range near 0.5 MeV/nucleon. ULEIS will be studying the elemental and isotopic composition of solar energetic particles, and the mechanisms by which these particles are energized in the solar corona. ULEIS will also investigate mechanisms by which supersonic interplanetary shock waves energize ions. To avoid confusion and misunderstanding, it is recommended that users consult with the appropriate ACE team members before publishing work derived from the data. The ACE team has worked hard to ensure that the level 2 data are free from errors, but the team cannot accept responsibility for erroneous data, or for misunderstandings about how the data may be used. This is especially true if the appropriate ACE team members are not consulted before publication. At the very least, preprints should be forwarded to the ACE team before publication.

36) ACE ULEIS L2 hourly Z=1-30 flux data maxmize
Resource ID:spase://VSPO/NumericalData/ACE/ULEIS/PT3600S
Start:1998-02-19 00:00:00 Observatory:ACE Cadence:3600 seconds
Stop:2016-09-14 08:00:05 Instrument:Ultra-Low Energy Isotope Spectrometer (ULEIS) Resource:NumericalData
ACE ULEIS L2 1-hr, 1-d, 27-d Z=1-30 flux data at ASC

37) AMPTE/IRM Magnetic Field maxmize
Resource ID:spase://VMO/NumericalData/AMPTE_IRM/MAG/PT4.4S
Start:1984-08-21 00:48:41 Observatory:AMPTE/IRM Cadence:4.4 seconds
Stop:1986-08-11 21:45:07 Instrument:AMPTE/IRM Magnetometer Resource:NumericalData
AMPTE/IRM spin-averaged magnetic field at ~4.4 second resolution.

38) AMPTE/IRM Plasma Data from the University of Iowa maxmize
Resource ID:spase://VSPO/NumericalData/AMPTE_IRM/PWS/PT1M
Start:1984-05-13 00:00:00 Observatory:AMPTE/IRM Cadence:1 minute
Stop:1985-07-18 00:00:00 Instrument:AMPTE/IRM Plasma Wave Spectrometer Resource:NumericalData
This set of AMPTE IRM data came from the University of Iowa single-channel digitized waveform file. Each file (table) contains plasa waves measured in the frequency range from quasi-dc to 5 MHz and occurring in an integral one minute interval. Each record (row) contains a 10 millisecond waveform series.

39) AMPTE/IRM Plasma Data maxmize
Resource ID:spase://VMO/NumericalData/AMPTE_IRM/Plasma/PT4.4S
Start:1984-08-22 12:58:03 Observatory:AMPTE/IRM Cadence:4.4 seconds
Stop:1986-08-11 21:32:28 Instrument:AMPTE/IRM Plasma Instrument Resource:NumericalData
AMPTE/IRM spin-averaged plasma moments at ~4.4 second resolution.

40) Apollo 12 Solar Wind Measurements at the Lunar Surface 1-HR Data maxmize
Resource ID:spase://VSPO/NumericalData/Apollo12-LM/SWS/PT1HR
Start:1969-11-19 19:30:00 Observatory:Apollo 12 Lunar Module/ALSEP Cadence:60 minutes
Stop:1976-03-25 08:30:00 Instrument:Solar Wind Spectrometer Resource:NumericalData
This data set contains hourly averaged plasma parameters from the Apollo 12 Solar Wind Spectrometer. Four sets of hourly averaged parameters are computed, using as input data -- (1) all fine-time scale parameters (FTSP), (2) all FTSP computed from spectra with small rms error on curve fitting and thermal speeds less than one-half the bulk velocity, (3) all FTSP computed from spectra that satisfy the requirements of criterion 2 as well as having only one flow angle that can be directly measured, and (4) all FTSP computed from spectra that satisfy the requirements of criterion 2 as well as having both flow angles directly measureable. Contained in each of the 4 sets of averages are the proton density, alpha-to-proton ratio, bulk speed, angle of flow, number of spectra, and rms deviations of each average.

41) Apollo 12 Solar Wind Measurements at the Lunar Surface 28-s Data maxmize
Resource ID:spase://VSPO/NumericalData/Apollo12-LM/SWS/PT28S
Start:1969-11-19 18:42:13 Observatory:Apollo 12 Lunar Module/ALSEP Cadence:28 seconds
Stop:1976-03-25 08:35:57 Instrument:Solar Wind Spectrometer Resource:NumericalData
This data set contains the highest time resolution plasma data available (28 sec per spectrum) from the solar wind experiment onboard Apollo 12. Contained in each record are: time, proton density, alpha-to-proton ratio, bulk speed, angle of flow, most probable thermal speed, and various housekeeping and fit parameters relating to the reliability of the calculated plasma parameters. During the local lunar night there is no solar wind signal so there are data gaps of about 15 days each lunation.

42) Apollo 14 ALSEP Electron and Proton Spectra, offline at NSSDC maxmize
Resource ID:spase://VSPO/NumericalData/Apollo14-LM/CPLEE/PT19S
Start:1971-02-05 00:00:00 Observatory:Apollo 14 Lunar Module / ALSEP Cadence:19 seconds
Stop:1973-03-02 00:00:00 Instrument:Charged Particle Lunar Environment Experiment (CPLEE) Resource:NumericalData
The data are 19.2-s count rates of electrons and protons at several energy steps between 40 eV and 20 keV. Two electrostatic analyzers, each feeding 6 detectors, are oriented vertical from the lunar surface and 60 degrees from vertical, towards lunar west.

43) Apollo 15 Solar Wind Measurements at the Lunar Surface 1-HR Data maxmize
Resource ID:spase://VSPO/NumericalData/Apollo15-LM/SWS/PT1HR
Start:1971-07-31 19:30:00 Observatory:Apollo 15 Lunar Module/ALSEP Cadence:60 minutes
Stop:1972-06-30 17:30:00 Instrument:Solar Wind Spectrometer Resource:NumericalData
This data set contains hourly averaged plasma parameters from the Apollo 15 Solar Wind Spectrometer. Four sets of hourly averaged parameters are computed, using as input data -- (1) all fine-time scale parameters (FTSP), (2) all FTSP computed from spectra with small rms error on curve fitting and thermal speeds less than one-half the bulk velocity, (3) all FTSP computed from spectra that satisfy the requirements of criterion 2 as well as having only one flow angle that can be directly measured, and (4) all FTSP computed from spectra that satisfy the requirements of criterion 2 as well as having both flow angles directly measureable. Contained in each of the 4 sets of averages are the proton density, alpha-to-proton ratio, bulk speed, angle of flow, number of spectra, and rms deviations of each average.

44) Apollo 15 Solar Wind Measurements at the Lunar Surface 28-s Data maxmize
Resource ID:spase://VSPO/NumericalData/Apollo15-LM/SWS/PT28S
Start:1971-07-31 19:38:38 Observatory:Apollo 15 Lunar Module/ALSEP Cadence:28 seconds
Stop:1972-06-30 18:14:35 Instrument:Solar Wind Spectrometer Resource:NumericalData
This data set contains the highest time resolution plasma data available (28 sec per spectrum) from the solar wind experiment onboard Apollo 15. Contained in each record are: time, proton density, alpha-to-proton ratio, bulk speed, angle of flow, most probable thermal speed, and various housekeeping and fit parameters relating to the reliability of the calculated plasma parameters. During the local lunar night there is no solar wind signal so there are data gaps of about 15 days each lunation.

45) Cluster Rumba Active Spacecraft POtential Control (ASPOC) Data at the ESA Cluster Science Archive maxmize
Resource ID:spase://VSPO/NumericalData/Cluster-Rumba/ASPOC/CSA/PT0.033S
Start:2000-12-09 00:00:00 Observatory:Cluster FM5 (Rumba) Cadence:0.033 seconds
Stop:2008-07-01 00:00:00 Instrument:Active Spacecraft Potential Control (ASPOC) Resource:NumericalData
The primary objective of ASPOC (Active Spacecraft POtential Control) onboard Cluster is to insure the effective and complete measurement of the ambient plasma distribution functions down to low energy. Two main ASPOC data products are available from the Cluster Active Archive: ion bean current at 0.5 second resolution and ion current snapshot at 0.033 second resolution. Ancillary data include command history, status of the instrument at 5.15 second resolution, preliminary emitted current parameters (at 4-second resolution and 1-minute aveerges) and caveats. For more details, see "The Cluster Active Archive: Studying the Earth's Space Plasma Environment", edited by Dr. Harri Laakso, Matthew G. T. T. Taylor, C. Philippe Escoubet, from which this information was obtained.

46) Cluster II Rumba Prime Parameter Active Spacecraft Potential Control (ASPOC) Data maxmize
Resource ID:spase://VMO/NumericalData/Cluster-Rumba/ASPOC/PrimeParameter/PT4S
Start:2001-01-30 00:00:00 Observatory:Cluster FM5 (Rumba) Cadence:4 seconds
Stop:2016-09-14 07:58:16 Instrument:Active Spacecraft Potential Control (ASPOC) Resource:NumericalData
The ASPOC instrument is a single unit consisting of an electronics box and two cylindrical ion emitter modules. The emitters produce indium ions at approximately 6 KeV, in a current of less than 50 microamps. This is done by field evaporation of indium in the apex field of a needle. In the basic feedback mode of operation, a measurement of the spacecraft potential is supplied to the instrument from either the electric field experiment (EFW) or the electron analyzer (PEACE). This information is then used to adjust the emission current to reduce the spacecraft potential to some predetermined value. By default, priority is given to the EFW data, because of the higher resolution (0.034 V vs. ~1.4 V) and the more straightforward way in which the potential is derived. A calibration mode will measure the current voltage characteristics of the spacecraft, at the beginning of the mission and occasionally later to account for changes in the photoemission properties of the surface. This measurement is carried out by sweeping the ion emission current in incremental steps over some convenient range, allowing simultaneous measurements of the spacecraft potential. The length of each step is 2 to 4 spin periods. In addition to providing an improved environment for other experiments, ASPOC will permit scientific investigations of the photoelectric characteristics of the dependence of the spacecraft potential on plasma parameters, and of spacecraft charging in different plasma environments to be carried out in the so called active mode. For more details of the Cluster mission, the spacecraft, and its instruments, see the report 'Cluster: mission, payload and supporting activities,' March 1993, ESA SP 1159, and the included article 'Active Spacecraft Potential Control: an ion emitter experiment for Cluster,' by W. Riedler et al., from which this information was obtained.

47) Cluster Rumba Ion Spectrometry (CIS) Data at the ESA Cluster Science Archive maxmize
Resource ID:spase://VSPO/NumericalData/Cluster-Rumba/CIS/CSA/PT4s
Start:2000-01-01 00:00:00 Observatory:Cluster FM5 (Rumba) Cadence:4 seconds
Stop:2016-09-14 07:59:49 Instrument:Cluster Ion Spectrometry (CIS) Resource:NumericalData
The Cluster Ion Spectrometry (CIS) data products include three-dimensional ion distributions (about 0-40 keV/e) in 4-s spacecraft spin resolution and mass-per-charge composition distribution that are measured by the Hot Ion Analyzer (HIA) and Composition Distribution Function (CODIF) analyzer on board the Cluster II Rumba spacecraft. Data products consist of processed raw data (Level 1 data), moments of the distribution functions (Level 2 data), and calibrated high-resolution data in a variety of physical units (Level 3 data). Furthermore, the calibration files and high-level processing software are also available. CIS Level 1 data are decommutated, decompressed and time-tagged telemetry data in raw instrument units. CIS Level 2 data are moments of the particle functions: ion density, velocity in the GSE reference frame, and temperature in parallel and perpendicular components (obtained by diagnolizing the pressure tensor). For CODIF, which has a higher upper energy limit than HIA, the pressure is also supplied in addition. They correspond to the Prime Parameters from the Cluster Science Data System: onboard calculated moments, then reprocessed on ground (total efficiency calibration adjustments, coordinate transformations etc.). Onboard calculated moments provide 1-spin time resolution, and are calculated from the full angular and energy resolution 3-D ion distributions. In addition to the onboard calculated moments, CIS Level 2 data include also CODIF moments calculated on the ground from the 3-D ion distributions. These provide better calibration adjustments (per anode efficiency) and are thus more accurate, but have a reduced time and energy resolution. HIA on the ground calculated moments are not supplied, because the same anode calibrations would be used as for the onboard calculated ones, but with a degraded time, energy and angular resolution (no added value). A software package is available for download at the CAA web site, allowing the user to interactively calculate partial (or total) moments of the ion distributions, for selected energy and solid angle ranges: CODIF (all 4 ion species) and HIA data. CIS Level 3 data are processed high-resolution 3-D ion distributions. They are produced by correcting the Level 1 data for detector efficiencies, geometric factors and other information available from the calibration tables, and give measurements in 5 physical units in separate files: (Differential) particle flux as ions cm**?2s**?1sr**?1keV**?1, (Differential) particle energy flux in keVcm**?2s**?1sr**?1keV**?1, particle phase space density in ions s**3 km**? 6, corrected-for-efficiency particle count rate as ions s**? 1, and raw particle counts in number of ions per counter bin. These Level 3 archival files are constructed by joining files from similar telemetry data products (same ion species, different angular, energy or time resolution). They are organized as a function of the instrument (HIA or CODIF), the operational mode (magnetospheric, solar wind, or RPA), the instrument sensitivity side (High Sensity or Low Sensity), and the 4 ion species of H+, He+, He++, and O+ with energies from ~25eV/e to 40 keV/e and with medium angular resolution of 22.5 deg (for CODIF only). Two data processing software packages are available from CAA: the CIS_3D_MOM written in C to read the CIS Level 3 files, and another software written in IDL to read Level 1 data and calibrations files. The second software can read, in addition to CIS data, generic CDF and CEF data files for correlation studies. The CIS data archive at CAA also includes experiment documentation, graphical products for browsing through the data, and data caveats. For more details, see "The Cluster Active Archive: Studying the Earth's Space Plasma Environment", edited by Dr. Harri Laakso, Matthew G. T. T. Taylor, C. Philippe Escoubet, from which this information was obtained.

48) Cluster II Rumba Prime Parameter Cluster Ion Spectrometry (CIS) Data maxmize
Resource ID:spase://VMO/NumericalData/Cluster-Rumba/CIS/PrimeParameter/4S
Start:2000-12-09 00:00:00 Observatory:Cluster FM5 (Rumba) Cadence:4 seconds
Stop:2016-09-14 07:58:16 Instrument:Cluster Ion Spectrometry (CIS) Resource:NumericalData
This instrument (CIS: Cluster Ion Spectrometry) is capable of obtaining full 3D ion distributions with high time resolution (in one spacecraft spin) and mass-per-charge resolution. The experiment consists of two different instruments, a Hot Ion Analyzer (HIA) and a time-of-flight Ion Composition and Distribution Function analyzer (CODIF). Extensive on-board processing is done, within its dual-processor Data Processing System (DPS). CODIF determines the distributions of the major ion species with energies from spacecraft potential to 40 KeV/charge with an angular resolution of 22.5 x 10.25 degrees and with two different sensitivities. The CODIF instrument uses electrostatic deflection to select by energy per charge, with subsequent time-of-flight analysis. The sensor primarily covers the energy range 0.02-40 KeV/charge, but with additional pre-acceleration for energies below 25 eV/charge, the range is extended to energies as low as the spacecraft potential. The HIA does not measure mass, but extends the dynamic range to the highest ion fluxes, and has angular resolution capability of 5.6 x 5.6 degrees for ion-beam and solar-wind measurements. The HIA is a symmetric quadrispherical analyzer of top-hat geometry, and uses microchannel-plate electron multipliers and position encoding by discrete anodes. A 2D distribution is obtained once per 62.5 ms, and a full 3D distribution of ions in the energy range ~5 eV/charge to 32 KeV/charge is obtained every 4 s. For more details of the Cluster mission, the spacecraft, and its instruments, see the report Cluster: mission, payload and supporting activities, March 1993, ESA SP-1159, and the included article The Cluster Ion Spectrometry Experiment, by H. Reme et al., from which this information was obtained.

49) Cluster Rumba Digital Wave Processor (DWP) Data at the ESA Cluster Science Archive maxmize
Resource ID:spase://VSPO/NumericalData/Cluster-Rumba/DWP/CSA/PT4S
Start:2001-01-01 00:00:00 Observatory:Cluster FM5 (Rumba) Cadence:4 seconds
Stop:2016-09-14 07:59:49 Instrument:Digital Wave Processor (DWP) Resource:NumericalData
As the central control and data processing unit for the Wave Experiement Consortium (WEC), the Digital Wave Processor (DWP) provided the following products in the Cluster Active Archive: (1) Time correction data (C1_CP_DWP_TCOR) with timing accuracy improved to 20 micro seconds; (2) Summary of the status of the Wave Experiment Consortium (C1_CP_DWP_ LOG) with one record for each interval that the WEC operates in the same mode for a total of 64 parameters including: instrument modes, telemetry use statistics, errors and anomalies, summary of voltage and temperature housekeeping; (3) A listing of the command sequences uplinked to the Wave Experiment Consortium (CM_CD_DWP_UT_PIOR); (4) High resolution particle correlator data for the fixed (pre-selected) energy band (C1_CP_DWP_COR_FX) and high resolution particle correlator data for the stepped energy (C1_CP_ DWP_COR_ST) which steps through the remaining 14 bands, at one step per spin; and (5) Documentation and software. Electron energy range is from 0.6 eV to 26 keV in 15 energy bands (PEACE mode dependent) and frequency range, 1.4 kHz to 41.6 kHz in 32 frequency bands and DC to 4 Hz based on successive autocorrelation function (ACF) outputs. For more details, see "The Cluster Active Archive: Studying the Earth's Space Plasma Environment", edited by Dr. Harri Laakso, Matthew G. T. T. Taylor, C. Philippe Escoubet.

50) Cluster Rumba Electron Drift Instrument (EDI) Data at the ESA Cluster Science Archive maxmize
Resource ID:spase://VSPO/NumericalData/Cluster-Rumba/EDI/CSA/PT0.0625S
Start:2001-01-30 00:00:00 Observatory:Cluster FM5 (Rumba) Cadence:0.0625 seconds
Stop:2016-09-14 07:59:49 Instrument:Electron Drift Instrument (EDI) Resource:NumericalData
The Electron Drift Instrument (EDI) data products from the Cluster spacecraft in three main categories: (1) Electron enegergies measured between 0.5 and 1.0 keV for the Windshield Wiper mode: time series of the three components of the electron drift velocity and of the three components of the electric field in Cartesian GSE coordinate system (corrected for spacecraft motion) with different qualities and time resolution at 1-4 sec (PP, PPP, MPD); (2) Ambient electron measurements at fixed enegeris of 0.5 or 1.0 keV: time series of electron counts normally at 16 ms for the three pitch angles 0 deg, 90 deg, 180 deg, the detector look direction in the spacecraft frame and in GSE and the status for AE mode; and (3) Overview plot of the main parameters for both modes for every 3 h for one reference spacecraft (usually Cluster III). Besides the main products, there also are raw data and auxiliary data. Raw data consist of merged science files (MSF) that are obtained by merging the housekeeping and science (burst (BM) and normal (NM) mode) telemetry files. They are in binary format. Auxiliary are either data used internally by the main data production software or data dedicated to intercalibration or time-interval lists of the EDI operation modes. For more details, see "The Cluster Active Archive: Studying the Earth's Space Plasma Environment", edited by Dr. Harri Laakso, Matthew G. T. T. Taylor, C. Philippe Escoubet, from which this information was obtained.

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