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MMS 3 Hot Plasma Composition Analyzer (HPCA) Time of Flight, TOF, Counts, Level 2 (L2), Survey Mode, 0.625 s Data

(2022). MMS 3 Hot Plasma Composition Analyzer (HPCA) Time of Flight, TOF, Counts, Level 2 (L2), Survey Mode, 0.625 s Data [Data set]. NASA Space Physics Data Facility. https://doi.org/10.48322/2dfa-yh15 (CiteAs link). Accessed on .

ResourceID
spase://NASA/NumericalData/MMS/3/HotPlasmaCompositionAnalyzer/Survey/Level2/TimeOfFlight/Counts/PT0.625S

Description

Hot Plasma Composition Analyzer (HPCA) Time of Flight, TOF, Counts, Level 2, Survey 10 s Data. The MMS HPCA instruments measure the energy and composition of magnetospheric plasmas in the energy range from 1 eV to 40 keV. An electrostatic energy analyzer (ESA) that is optically coupled to a carbon-foil based Time-of-Flight (TOF) section comprises each HPCA. The basic HPCA data product is an array of counts for 5 ion species, at 63 energies, for each of 16 elevation anodes. Sixteen basic products, also called azimuths, are acquired every 10 s; half a spacecraft spin period nominally has 16 azimuths. The five ion species are protons (H+), alpha particles (He++), helium ions (He+), singly charged Oxygen (O+), and background counts.

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Details

Version:2.6.0

NumericalData

ResourceID
spase://NASA/NumericalData/MMS/3/HotPlasmaCompositionAnalyzer/Survey/Level2/TimeOfFlight/Counts/PT0.625S
ResourceHeader
ResourceName
MMS 3 Hot Plasma Composition Analyzer (HPCA) Time of Flight, TOF, Counts, Level 2 (L2), Survey Mode, 0.625 s Data
AlternateName
MMS3_HPCA_SRVY_L2_TOF-COUNTS
DOI
https://doi.org/10.48322/2dfa-yh15
ReleaseDate
2024-02-22 12:34:56.789
RevisionHistory
RevisionEvent
ReleaseDate
2021-04-27 15:38:11
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2022-08-04 12:34:56.789
Note
Added DOI and PublicationInfo minted by LFB, updated the RepositoryID, updated the SPDF MetadataContact Person to Robert M. Candey, metadata updated to SPASE 2.4.1, reviewed by LFB 20220803
RevisionEvent
ReleaseDate
2023-03-04 12:34:56.789
Note
Standardized the ResourceName Format, Set AlternateName equal to the ProductKey, Revised the Acknowledgement, PublicationInfo Authors, and Contact Person list per request of the MMS HPCA team, metadata updated to SPASE 2.5.0, reviewed by LFB 20230304
RevisionEvent
ReleaseDate
2024-02-22 12:34:56.789
Note
Corrected TemporalDescription TimeSpan StartDate information, Metadata versioned up to SPASE 2.6.0, LFB 20240222
Description

Hot Plasma Composition Analyzer (HPCA) Time of Flight, TOF, Counts, Level 2, Survey 10 s Data. The MMS HPCA instruments measure the energy and composition of magnetospheric plasmas in the energy range from 1 eV to 40 keV. An electrostatic energy analyzer (ESA) that is optically coupled to a carbon-foil based Time-of-Flight (TOF) section comprises each HPCA. The basic HPCA data product is an array of counts for 5 ion species, at 63 energies, for each of 16 elevation anodes. Sixteen basic products, also called azimuths, are acquired every 10 s; half a spacecraft spin period nominally has 16 azimuths. The five ion species are protons (H+), alpha particles (He++), helium ions (He+), singly charged Oxygen (O+), and background counts.

Acknowledgement
Please acknowledge S.A. Fuselier, D.T. Young, R.G. Gomez, and J.L. Burch for use of these data
PublicationInfo
Authors
Fuselier, Stephen, A.; Young, David, T.; Gomez, Roman, G.; Burch, James, L.
PublicationDate
2022-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility
Contacts
RolePersonStartDateStopDateNote
1.InstrumentLead
CoInvestigator
spase://SMWG/Person/Stephen.A.Fuselier
2.InstrumentLead
CoInvestigator
spase://SMWG/Person/David.T.YoungRetired
3.CoInvestigatorspase://SMWG/Person/Roman.G.Gomez
4.PrincipalInvestigatorspase://SMWG/Person/James.L.Burch
5.HostContactspase://SMWG/Person/MMS_SDC_POC
6.MetadataContactspase://SMWG/Person/Robert.M.Candey
7.MetadataContactspase://SMWG/Person/Lee.Frost.Bargatze
InformationURL
Name
The Magnetospheric Multiscale (MMS) Mission home page at Goddard Space Flight Center (GSFC)
URL
Description

The Magnetospheric Multiscale (MMS) Mission Home Page hosted by the Goddard Space Flight Center (GSFC).

InformationURL
Name
MMS instruments, hosted by NASA
URL
Description

MMS Science instrument descriptions, hosted by National Aeronautics and Space Administration, NASA

InformationURL
Name
MMS Hot Plasma Composition Analyzer, HPCA, Space Science Reviews instrument paper
URL
Description

Young, D. T. , J.L. Burch, R.G. Gomez, A. De Los Santos, G.P. Miller, P. Wilson, IV, N. Paschalidis, S.A. Fuselier, K. Pickens, E. Hertzberg, C.J. Pollock, J. Scherrer, P.B. Wood, E.T. Donald, D. Aaron, J. Furman, D. George, R.S. Gurnee, R.S. Hourani, A. Jacques, T. Johnson, T. Orr, K.S. Pan, S. Persyn, S. Pope, J. Roberts, M.R. Stokes, K.J. Trattner, and J.M. Webster, Hot Plasma Composition Analyzer for the Magnetospheric Multiscale Mission, Space Sci. Rev., 199, 407-470, 2016, DOI: 10.1007/s11214-014-0119-6

PriorIDs
spase://VSPO/NumericalData/MMS/3/HotPlasmaCompositionAnalyzer/Survey/Level2/TimeOfFlight/Counts/PT0.625S
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from the MMS SDC (not with most browsers)
URL
Description

In CDF via ftp from the MMS Science Data Center

AccessURL
Name
HTTPS from the MMS SDC
URL
Description

In CDF via http from the MMS Science Data Center

Format
CDF
Encoding
None
Acknowledgement
Please acknowledge S.A. Fuselier, D.T. Young, R.G. Gomez, and J.L. Burch. Also please acknowledge the data providers and CDAWeb when using these data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description

In CDF via ftp from SPDF

AccessURL
Name
HTTPS from SPDF
URL
Description

In CDF via http from SPDF

AccessURL
Name
CDAWeb
URL
ProductKey
MMS3_HPCA_SRVY_L2_TOF-COUNTS
Description

Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb

Format
CDF
Encoding
None
Acknowledgement
Please acknowledge S.A. Fuselier, D.T. Young, R.G. Gomez, and J.L. Burch. Also please acknowledge the data providers and CDAWeb when using these data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
MMS3_HPCA_SRVY_L2_TOF-COUNTS
Description

Web Service to this product using the HAPI interface

Format
CSV
Acknowledgement
Please acknowledge S.A. Fuselier, D.T. Young, R.G. Gomez, and J.L. Burch. Also please acknowledge the data providers and CDAWeb when using these data.
ProcessingLevel
Calibrated
InstrumentIDs
MeasurementType
EnergeticParticles
TemporalDescription
TimeSpan
StartDate
2018-11-15 00:00:00.000
RelativeStopDate
-P2M
Cadence
PT0.625S
ObservedRegion
Earth.Magnetosheath
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.Magnetosphere.Magnetotail
ObservedRegion
Earth.Magnetosphere.Main
ObservedRegion
Earth.Magnetosphere.RadiationBelt
ObservedRegion
Earth.NearSurface.EquatorialRegion
ObservedRegion
Earth.NearSurface.Plasmasphere
ObservedRegion
Heliosphere.NearEarth
Parameter #1
Name
UTC converted from TAI time
ParameterKey
Epoch
Description

Start Time for the Record

Cadence
PT0.625S
Units
ns
UnitsConversion
1.0e-9>s
RenderingHints
ValueFormat
E14.8
ValidMin
1990-01-01T00:00:00.000000000
ValidMax
2100-01-01T00:00:00.000000000
Support
SupportQuantity
Temporal
Parameter #2
Name
Delta Start Time
ParameterKey
Epoch_MINUS
Description

Delta Start Time for the Record from the Central Time

Cadence
PT0.625S
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
ValueFormat
I4
ValidMin
0
ValidMax
1000
Support
SupportQuantity
Temporal
Parameter #3
Name
Delta Stop Time
ParameterKey
Epoch_PLUS
Description

Delta Stop Time for the Record from the Central Time

Cadence
PT0.625S
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
ValueFormat
I4
ValidMin
0
ValidMax
1000
Support
SupportQuantity
Temporal
Parameter #4
Name
MMS3 HPCA Electron Volt Energy, TOF
ParameterKey
mms3_hpca_tof_energy
Description

MMS3 HPCA Electron Voltage associated with the Time of Flight, TOF, counts

Cadence
PT0.625S
Units
eV/q
UnitsConversion
1.602176565e-19>J/q
RenderingHints
AxisLabel
Energy
ValueFormat
F13.6
ScaleType
LogScale
Structure
Size
8
ValidMin
0.0
ValidMax
37600.0
FillValue
-1.0e+31
Particle
ParticleType
Ion
Qualifier
Array
Qualifier
Magnitude
ParticleQuantity
Energy
Parameter #5
Name
MMS3 HPCA Electron Volt Energy, Delta Minus
ParameterKey
mms3_hpca_tof_energy_delta_minus
Description

MMS3 HPCA Electron Voltage Delta Minus associated with the Time of Flight, TOF, counts

Cadence
PT0.625S
Units
eV
UnitsConversion
1.602176565e-19>J
RenderingHints
AxisLabel
Energy Delta Minus
ValueFormat
F13.6
Structure
Size
8
ValidMin
0.0
ValidMax
37600.0
Particle
ParticleType
Ion
Qualifier
Array
Qualifier
Magnitude
ParticleQuantity
Energy
Parameter #6
Name
MMS3 HPCA Electron Volt Energy, Delta Plus
ParameterKey
mms3_hpca_tof_energy_delta_plus
Description

MMS3 HPCA Electron Voltage Delta Plus associated with the Time of Flight, TOF, counts

Cadence
PT0.625S
Units
eV
UnitsConversion
1.602176565e-19>J
RenderingHints
AxisLabel
Energy Delta Plus
ValueFormat
F13.6
Structure
Size
8
ValidMin
0.0
ValidMax
37600.0
Particle
ParticleType
Ion
Qualifier
Array
Qualifier
Magnitude
ParticleQuantity
Energy
Parameter #7
Name
Bin Indices
ParameterKey
mms3_hpca_tof_bin_index
Description

Bin Index Values

Cadence
PT0.625S
RenderingHints
AxisLabel
Bin Index
ValueFormat
I3
Structure
Size
128
ValidMin
0
ValidMax
256
Support
Qualifier
Array
SupportQuantity
Other
Parameter #8
Name
MMS3 HPCA TOF Counts, all Angles, all Energies
Set
Time Series defined by using: EPOCH
ParameterKey
mms3_hpca_tof_counts
Description

MMS3 HPCA Time of Flight, TOF, Counts for all Angles and across all Energies.

  • Column 1 Labels from MMS3_HPCA_TOF_ENERGY: ["Energy 3.21425","Energy 12.0167","Energy 45.0507","Energy 168.833","Energy 632.809","Energy 2371.97","Energy 8890.78","Energy 29319.6"].
  • Column 2 Labels from MMS3_HPCA_TOF_BIN_INDEX: [" 0"," 2"," 4"," 6"," 8"," 10"," 12"," 14"," 16"," 18"," 20"," 22"," 24"," 26"," 28"," 30"," 32"," 34"," 36"," 38"," 40"," 42"," 44"," 46"," 48"," 50"," 52"," 54"," 56"," 58"," 60"," 62"," 64"," 66"," 68"," 70"," 72"," 74"," 76"," 78"," 80"," 82"," 84"," 86"," 88"," 90"," 92"," 94"," 96"," 98"," 100"," 102"," 104"," 106"," 108"," 110"," 112"," 114"," 116"," 118"," 120"," 122"," 124"," 126"," 128"," 130"," 132"," 134"," 136"," 138"," 140"," 142"," 144"," 146"," 148"," 150"," 152"," 154"," 156"," 158"," 160"," 162"," 164"," 166"," 168"," 170"," 172"," 174"," 176"," 178"," 180"," 182"," 184"," 186"," 188"," 190"," 192"," 194"," 196"," 198"," 200"," 202"," 204"," 206"," 208"," 210"," 212"," 214"," 216"," 218"," 220"," 222"," 224"," 226"," 228"," 230"," 232"," 234"," 236"," 238"," 240"," 242"," 244"," 246"," 248"," 250"," 252"," 254"].
Cadence
PT0.625S
RenderingHints
AxisLabel
Counts
ValueFormat
I2
ScaleType
LogScale
Structure
Size
8 128
FillValue
65535
Particle
ParticleType
Ion
Qualifier
Array
Qualifier
Magnitude
ParticleQuantity
Counts
Parameter #9
Name
MMS3 HPCA TOF Counts, all Angles, selected Energies
Set
Time Series defined by using: EPOCH
ParameterKey
mms3_hpca_tof_counts_allA_atE
Description

MMS3 HPCA Time of Flight, TOF, Counts, all Angles, selected Energies, spectrogram display.

  • Column 1 Labels from MMS3_HPCA_TOF_ENERGY: ["Energy 3.21425","Energy 12.0167","Energy 45.0507","Energy 168.833","Energy 632.809","Energy 2371.97","Energy 8890.78","Energy 29319.6"].
  • Column 2 Labels from MMS3_HPCA_TOF_BIN_INDEX: ["Index#0","Index#2","Index#4","Index#6","Index#8","Index#10","Index#12","Index#14","Index#16","Index#18","Index#20","Index#22","Index#24","Index#26","Index#28","Index#30","Index#32","Index#34","Index#36","Index#38","Index#40","Index#42","Index#44","Index#46","Index#48","Index#50","Index#52","Index#54","Index#56","Index#58","Index#60","Index#62","Index#64","Index#66","Index#68","Index#70","Index#72","Index#74","Index#76","Index#78","Index#80","Index#82","Index#84","Index#86","Index#88","Index#90","Index#92","Index#94","Index#96","Index#98","Index#100","Index#102","Index#104","Index#106","Index#108","Index#110","Index#112","Index#114","Index#116","Index#118","Index#120","Index#122","Index#124","Index#126","Index#128","Index#130","Index#132","Index#134","Index#136","Index#138","Index#140","Index#142","Index#144","Index#146","Index#148","Index#150","Index#152","Index#154","Index#156","Index#158","Index#160","Index#162","Index#164","Index#166","Index#168","Index#170","Index#172","Index#174","Index#176","Index#178","Index#180","Index#182","Index#184","Index#186","Index#188","Index#190","Index#192","Index#194","Index#196","Index#198","Index#200","Index#202","Index#204","Index#206","Index#208","Index#210","Index#212","Index#214","Index#216","Index#218","Index#220","Index#222","Index#224","Index#226","Index#228","Index#230","Index#232","Index#234","Index#236","Index#238","Index#240","Index#242","Index#244","Index#246","Index#248","Index#250","Index#252","Index#254"].
Caveats
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: mms3_hpca_tof_counts.
Cadence
PT0.625S
RenderingHints
DisplayType
Spectrogram
ValueFormat
I2
ScaleType
LogScale
Structure
Size
8 128
FillValue
65535
Particle
ParticleType
Ion
Qualifier
Array
Qualifier
Magnitude
ParticleQuantity
Counts
Parameter #10
Name
MMS3 HPCA TOF Counts, selected Angles, all Energies
Set
Time Series defined by using: EPOCH
ParameterKey
mms3_hpca_tof_counts_allE_atA
Description

MMS3 HPCA Time of Flight, TOF, Counts, selected Angles, all Energies, spectrogram display.

  • Column 1 Labels from MMS3_HPCA_TOF_ENERGY: ["Energy 3.21425","Energy 12.0167","Energy 45.0507","Energy 168.833","Energy 632.809","Energy 2371.97","Energy 8890.78","Energy 29319.6"].
  • Column 2 Labels from MMS3_HPCA_TOF_BIN_INDEX: ["Index#0","Index#2","Index#4","Index#6","Index#8","Index#10","Index#12","Index#14","Index#16","Index#18","Index#20","Index#22","Index#24","Index#26","Index#28","Index#30","Index#32","Index#34","Index#36","Index#38","Index#40","Index#42","Index#44","Index#46","Index#48","Index#50","Index#52","Index#54","Index#56","Index#58","Index#60","Index#62","Index#64","Index#66","Index#68","Index#70","Index#72","Index#74","Index#76","Index#78","Index#80","Index#82","Index#84","Index#86","Index#88","Index#90","Index#92","Index#94","Index#96","Index#98","Index#100","Index#102","Index#104","Index#106","Index#108","Index#110","Index#112","Index#114","Index#116","Index#118","Index#120","Index#122","Index#124","Index#126","Index#128","Index#130","Index#132","Index#134","Index#136","Index#138","Index#140","Index#142","Index#144","Index#146","Index#148","Index#150","Index#152","Index#154","Index#156","Index#158","Index#160","Index#162","Index#164","Index#166","Index#168","Index#170","Index#172","Index#174","Index#176","Index#178","Index#180","Index#182","Index#184","Index#186","Index#188","Index#190","Index#192","Index#194","Index#196","Index#198","Index#200","Index#202","Index#204","Index#206","Index#208","Index#210","Index#212","Index#214","Index#216","Index#218","Index#220","Index#222","Index#224","Index#226","Index#228","Index#230","Index#232","Index#234","Index#236","Index#238","Index#240","Index#242","Index#244","Index#246","Index#248","Index#250","Index#252","Index#254"].
Caveats
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: mms3_hpca_tof_counts.
Cadence
PT0.625S
RenderingHints
DisplayType
Spectrogram
ValueFormat
I2
ScaleType
LogScale
Structure
Size
8 128
FillValue
65535
Particle
ParticleType
Ion
Qualifier
Array
Qualifier
Magnitude
ParticleQuantity
Counts