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MMS 1 Hot Plasma Composition Analyzer (HPCA) Ions, Level 2 (L2), Survey Mode, 0.625 s Data

(2022). MMS 1 Hot Plasma Composition Analyzer (HPCA) Ions, Level 2 (L2), Survey Mode, 0.625 s Data [Data set]. NASA Space Physics Data Facility. https://doi.org/10.48322/hjvz-aw21. Accessed on .

Note: Proper references, including those in BibTex or other formats, should include the "Accessed on date" as shown above to identify the version of the resource being cited in a given publication.

ResourceID
spase://NASA/NumericalData/MMS/1/HotPlasmaCompositionAnalyzer/Survey/Level2/Ion/PT0.625S

Description

Hot Plasma Composition Analyzer (HPCA) Ions, Level 2, Survey, 0.625 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 0.625 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:2.5.0

NumericalData

ResourceID
spase://NASA/NumericalData/MMS/1/HotPlasmaCompositionAnalyzer/Survey/Level2/Ion/PT0.625S
ResourceHeader
ResourceName
MMS 1 Hot Plasma Composition Analyzer (HPCA) Ions, Level 2 (L2), Survey Mode, 0.625 s Data
AlternateName
MMS1_HPCA_SRVY_L2_ION
DOI
https://doi.org/10.48322/hjvz-aw21
ReleaseDate
2023-03-04 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
Description

Hot Plasma Composition Analyzer (HPCA) Ions, Level 2, Survey, 0.625 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 0.625 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
https://mms.gsfc.nasa.gov/
Description

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

InformationURL
Name
Data Caveats and Current Release Notes at LASP MMS SDC
URL
https://lasp.colorado.edu/mms/sdc/public/datasets/hpca/
Description

The Magnetospheric Multiscale (MMS) Mission home page hosted by the Laboratory of Atmospheric and Space Physics, Science Data Center (LASP, SDC) at the University of Colorado, Boulder.

PriorIDs
spase://VSPO/NumericalData/MMS/1/HotPlasmaCompositionAnalyzer/Survey/Level2/Ion/PT0.625S
AccessInformation
RepositoryID
spase://SMWG/Repository/UCOLO/LASP/MMS_SDC
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from the MMS SDC (not with most browsers)
URL
ftps://lasp.colorado.edu/mms/sdc/public/data/mms1/hpca/srvy/l2/ion/
Description

In CDF via ftp from the MMS Science Data Center

AccessURL
Name
HTTPS from the MMS SDC
URL
https://lasp.colorado.edu/mms/sdc/public/data/mms1/hpca/srvy/l2/ion/
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
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/mms/mms1/hpca/srvy/l2/ion/
Description

In CDF via ftp from SPDF

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/mms/mms1/hpca/srvy/l2/ion/
Description

In CDF via http from SPDF

AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=MMS1_HPCA_SRVY_L2_ION&index=sp_phys
ProductKey
MMS1_HPCA_SRVY_L2_ION
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
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
https://cdaweb.gsfc.nasa.gov/hapi
Style
HAPI
ProductKey
MMS1_HPCA_SRVY_L2_ION
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
spase://SMWG/Instrument/MMS/1/FIELDS/FGM
spase://SMWG/Instrument/MMS/1/HotPlasmaCompositionAnalyzer
MeasurementType
EnergeticParticles
MeasurementType
MagneticField
TemporalDescription
TimeSpan
StartDate
2015-06-22 00:00:00
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
2100-01-01T00:00:01.000000000
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
I
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
I
ValidMin
0
ValidMax
1000
Support
SupportQuantity
Temporal
Parameter #4
Name
Polar Anode Number
ParameterKey
mms1_hpca_polar_anode_number
Description

Polar Anode Index Value

Cadence
PT0.625S
RenderingHints
ValueFormat
I
Structure
Size
16
Element
Name
Element 1
Index
1
Element
Name
Element 2
Index
2
Element
Name
Element 3
Index
3
Element
Name
Element 4
Index
4
Element
Name
Element 5
Index
5
Element
Name
Element 6
Index
6
Element
Name
Element 7
Index
7
Element
Name
Element 8
Index
8
Element
Name
Element 9
Index
9
Element
Name
Element 10
Index
10
Element
Name
Element 11
Index
11
Element
Name
Element 12
Index
12
Element
Name
Element 13
Index
13
Element
Name
Element 14
Index
14
Element
Name
Element 15
Index
15
Element
Name
Element 16
Index
16
ValidMin
0
ValidMax
15
Support
SupportQuantity
Other
Parameter #5
Name
Azimuth Decimation Factor
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_azimuth_decimation_factor
Description

Azimuth Decimation Factor

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Azimuth Decimation
ValueFormat
I
ValidMin
1
ValidMax
16
FillValue
65535
Support
SupportQuantity
Other
Parameter #6
Name
Polar Anode Decimation Factor
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_polar_decimation_factor
Description

Polar Anode Decimation Factor

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Polar Anode Decimation
ValueFormat
I
ValidMin
1
ValidMax
16
FillValue
65535
Support
SupportQuantity
Other
Parameter #7
Name
Energy Decimation Factor
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_energy_decimation_factor
Description

Energy Decimation Factor

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Energy Decimation
ValueFormat
I
ValidMin
1
ValidMax
64
FillValue
65535
Support
SupportQuantity
Other
Parameter #8
Name
Sweep Table Number
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_sweep_table_number
Description

Sweep Table Index as defined in the HPCA Science Algorithm Document

Cadence
PT0.625S
RenderingHints
ValueFormat
I
ValidMin
0
ValidMax
15
FillValue
255
Support
SupportQuantity
InstrumentMode
Parameter #9
Name
Start Azimuth
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_start_azimuth
Description

Start Azimuth

Cadence
PT0.625S
RenderingHints
ValueFormat
I
ValidMin
0
ValidMax
15
FillValue
255
Particle
ParticleType
Ion
ParticleQuantity
ArrivalDirection
Parameter #10
Name
Science Mode Number
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_science_mode
Description

Science Mode Value as defined in the HPCA Science Algorithm Document

Cadence
PT0.625S
RenderingHints
ValueFormat
I
ValidMin
0
ValidMax
15
FillValue
255
Support
SupportQuantity
InstrumentMode
Parameter #11
Name
Electron Volts
ParameterKey
mms1_hpca_ion_energy
Description

Electron Voltage associated with the Ion Counts

Cadence
PT0.625S
Units
eV
UnitsConversion
1.602176565e-19>J
RenderingHints
ValueFormat
e13.6
Structure
Size
63
Element
Name
Element 1
Index
1
Element
Name
Element 2
Index
2
Element
Name
Element 3
Index
3
Element
Name
Element 4
Index
4
Element
Name
Element 5
Index
5
Element
Name
Element 6
Index
6
Element
Name
Element 7
Index
7
Element
Name
Element 8
Index
8
Element
Name
Element 9
Index
9
Element
Name
Element 10
Index
10
Element
Name
Element 11
Index
11
Element
Name
Element 12
Index
12
Element
Name
Element 13
Index
13
Element
Name
Element 14
Index
14
Element
Name
Element 15
Index
15
Element
Name
Element 16
Index
16
Element
Name
Element 17
Index
17
Element
Name
Element 18
Index
18
Element
Name
Element 19
Index
19
Element
Name
Element 20
Index
20
Element
Name
Element 21
Index
21
Element
Name
Element 22
Index
22
Element
Name
Element 23
Index
23
Element
Name
Element 24
Index
24
Element
Name
Element 25
Index
25
Element
Name
Element 26
Index
26
Element
Name
Element 27
Index
27
Element
Name
Element 28
Index
28
Element
Name
Element 29
Index
29
Element
Name
Element 30
Index
30
Element
Name
Element 31
Index
31
Element
Name
Element 32
Index
32
Element
Name
Element 33
Index
33
Element
Name
Element 34
Index
34
Element
Name
Element 35
Index
35
Element
Name
Element 36
Index
36
Element
Name
Element 37
Index
37
Element
Name
Element 38
Index
38
Element
Name
Element 39
Index
39
Element
Name
Element 40
Index
40
Element
Name
Element 41
Index
41
Element
Name
Element 42
Index
42
Element
Name
Element 43
Index
43
Element
Name
Element 44
Index
44
Element
Name
Element 45
Index
45
Element
Name
Element 46
Index
46
Element
Name
Element 47
Index
47
Element
Name
Element 48
Index
48
Element
Name
Element 49
Index
49
Element
Name
Element 50
Index
50
Element
Name
Element 51
Index
51
Element
Name
Element 52
Index
52
Element
Name
Element 53
Index
53
Element
Name
Element 54
Index
54
Element
Name
Element 55
Index
55
Element
Name
Element 56
Index
56
Element
Name
Element 57
Index
57
Element
Name
Element 58
Index
58
Element
Name
Element 59
Index
59
Element
Name
Element 60
Index
60
Element
Name
Element 61
Index
61
Element
Name
Element 62
Index
62
Element
Name
Element 63
Index
63
ValidMin
0.0
ValidMax
37600.0
FillValue
-1.0e+31
Particle
ParticleType
Ion
Qualifier
Differential
ParticleQuantity
Energy
Parameter #12
Name
Hydrogen+ Flux
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_hplus_flux
Description

Hydrogen+ Flux for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
(cm^2 s sr eV)^-1
UnitsConversion
6.24181e18>(m^2 s sr J)^-1
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
Proton
Qualifier
Differential
ParticleQuantity
EnergyFlux
Parameter #13
Name
Hydrogen+ Phase Space Density
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_hplus_phase_space_density
Description

Hydrogen+ Phase Space Density for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
cm^-6 s^3
UnitsConversion
1.0e13>m^-6 s^3
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
Proton
Qualifier
Tensor
ParticleQuantity
PhaseSpaceDensity
Parameter #14
Name
Data Quality for Hydrogen+
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_hplus_data_quality
Description

Per Sweep Status for H+ (0: Bad; 1: Good; 2: Good, RF On, Bkgd On; 3: Good, RF Off, Bkgd On; 4: Good, RF On, Bkgd Off; 5: Good, RF Off, Bkgd Off; 6: Good, Non-Sweeping Data)

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Data Quality
ValueFormat
I
ValidMin
0
ValidMax
255
FillValue
65535
Support
SupportQuantity
Other
Parameter #15
Name
Helium+ Flux
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_heplus_flux
Description

Helium+ Flux for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
(cm^2 s sr eV)^-1
UnitsConversion
6.24181e18>(m^2 s sr J)^-1
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
Ion
Qualifier
Differential
ParticleQuantity
EnergyFlux
Parameter #16
Name
Helium+ Phase Space Density
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_heplus_phase_space_density
Description

Helium+ Phase Space Density for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
cm^-6 s^3
UnitsConversion
1.0e13>m^-6 s^3
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
Ion
Qualifier
Tensor
ParticleQuantity
PhaseSpaceDensity
Parameter #17
Name
Data Quality for Helium+
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_heplus_data_quality
Description

Per Sweep Status for He+ (0: Bad; 1: Good; 2: Good, RF On, Bkgd On; 3: Good, RF Off, Bkgd On; 4: Good, RF On, Bkgd Off; 5: Good, RF Off, Bkgd Off; 6: Good, Non-Sweeping Data)

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Data Quality
ValueFormat
I
ValidMin
0
ValidMax
255
FillValue
65535
Support
SupportQuantity
Other
Parameter #18
Name
Helium++ Flux
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_heplusplus_flux
Description

Helium++ Flux for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
(cm^2 s sr eV)^-1
UnitsConversion
6.24181e18>(m^2 s sr J)^-1
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
AlphaParticle
Qualifier
Differential
ParticleQuantity
EnergyFlux
Parameter #19
Name
Helium++ Phase Space Density
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_heplusplus_phase_space_density
Description

Helium++ Phase Space Density for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
cm^-6 s^3
UnitsConversion
1.0e13>m^-6 s^3
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
AlphaParticle
Qualifier
Tensor
ParticleQuantity
PhaseSpaceDensity
Parameter #20
Name
Data Quality for Helium++
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_heplusplus_data_quality
Description

Per Sweep Status for He++ (0: Bad; 1: Good; 2: Good, RF On, Bkgd On; 3: Good, RF Off, Bkgd On; 4: Good, RF On, Bkgd Off; 5: Good, RF Off, Bkgd Off; 6: Good, Non-Sweeping Data)

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Data Quality
ValueFormat
I
ValidMin
0
ValidMax
255
FillValue
65535
Support
SupportQuantity
Other
Parameter #21
Name
Oxygen+ Flux
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_oplus_flux
Description

Oxygen+ Flux for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
(cm^2 s sr eV)^-1
UnitsConversion
6.24181e18>(m^2 s sr J)^-1
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
Ion
Qualifier
Differential
ParticleQuantity
EnergyFlux
Parameter #22
Name
Oxygen+ Phase Space Density
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_oplus_phase_space_density
Description

Oxygen+ Phase Space Density for all Elevation Anodes across all Energies

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 1.35500, 1.57180, 1.84280, 2.22220, 2.60160, 3.08940, 3.63140, 4.28180, 5.04060, 5.96200, 6.99180, 8.23840, 9.75600, 11.4904, 13.5500, 15.9890, 18.8616, 22.2762, 26.2328, 30.9482, 36.5308, 43.0890, 50.7854, 59.9452, 70.6768, 83.4138, 98.3730, 116.042, 136.855, 161.462, 190.459, 224.659, 264.984, 312.571, 368.723, 434.955, 513.057, 605.197, 713.868, 842.051, 993.323, 1171.70, 1382.10, 1630.28, 1923.07, 2268.43, 2675.80, 3156.28, 3723.11, 4391.72, 5180.44, 6110.73, 7208.11, 8502.57, 10029.5, 11830.6, 13955.2, 16461.3, 19417.5, 22904.6, 27017.9, 31869.8, 37593.1]
Cadence
PT0.625S
Units
cm^-6 s^3
UnitsConversion
1.0e13>m^-6 s^3
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SR
RenderingHints
DisplayType
Spectrogram
ValueFormat
e13.6
Structure
Size
16 63
FillValue
-1.0e+31
Particle
ParticleType
Ion
Qualifier
Tensor
ParticleQuantity
PhaseSpaceDensity
Parameter #23
Name
Data Quality for Oxygen+
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_oplus_data_quality
Description

Per Sweep Status for O+ (0: Bad; 1: Good; 2: Good, RF On, Bkgd On; 3: Good, RF Off, Bkgd On; 4: Good, RF On, Bkgd Off; 5: Good, RF Off, Bkgd Off; 6: Good, Non-Sweeping Data)

Cadence
PT0.625S
RenderingHints
DisplayType
TimeSeries
AxisLabel
Data Quality
ValueFormat
I
ValidMin
0
ValidMax
255
FillValue
65535
Support
SupportQuantity
Other
Parameter #24
Name
Magnetic Field Vector in DMPA plus Btotal (8 or 16 samples/s)
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_B_GSE_sweep_avg
Description

Magnetic Field Vector in Despun Major Principal Axis-Aligned (DMPA) Cartesian Coordinates plus Btotal (8 or 16 samples/s)

Cadence
PT0.625S
Units
nT
UnitsConversion
1.0e-9>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MFA
RenderingHints
DisplayType
TimeSeries
ValueFormat
e13.5
Structure
Size
4
Element
Name
X
Index
1
Element
Name
Y
Index
2
Element
Name
Z
Index
3
Element
Name
Magnitude
Index
4
ValidMin
-17000.0
ValidMax
17000.0
FillValue
-1.0e+31
Field
Qualifier
Vector
FieldQuantity
Magnetic
Parameter #25
Name
Magnetic Field Vector in GSM plus Btotal (8 or 16 samples/s)
Set
Time series defined by using: EPOCH
ParameterKey
mms1_hpca_B_GSM_sweep_avg
Description

Magnetic Field Vector in Geocentric Solar Magnetospheric (GSM) Cartesian Coordinates plus Btotal (8 or 16 samples/s)

Cadence
PT0.625S
Units
nT
UnitsConversion
1.0e-9>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSM
RenderingHints
DisplayType
TimeSeries
ValueFormat
e13.5
Structure
Size
4
Element
Name
X
Index
1
Element
Name
Y
Index
2
Element
Name
Z
Index
3
Element
Name
Magnitude
Index
4
ValidMin
-17000.0
ValidMax
17000.0
FillValue
-1.0e+31
Field
Qualifier
Vector
FieldQuantity
Magnetic
Parameter #26
Name
UTC converted from TAI time
ParameterKey
Epoch_Angles
Description

Start Time for the Azimuth Angles associated with each Half-Spin

Cadence
PT0.625S
Units
ns
UnitsConversion
1.0e-9>s
RenderingHints
ValueFormat
e14.8
ValidMin
1990-01-01T00:00:00.000000000
ValidMax
2100-01-01T00:00:01.000000000
Support
SupportQuantity
Temporal
Parameter #27
Name
Delta Start Time for Azimuth Angles
ParameterKey
Epoch_MINUS_Angles
Description

Delta Start Time for the Record from the Central Time

Cadence
PT0.625S
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
ValueFormat
I
ValidMin
0
ValidMax
70000
Support
SupportQuantity
Temporal
Parameter #28
Name
Delta Stop Time for Azimuth Angles
ParameterKey
Epoch_PLUS_Angles
Description

Delta Stop Time for the Record from the Central Time

Cadence
PT0.625S
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
ValueFormat
I
ValidMin
0
ValidMax
70000
Support
SupportQuantity
Temporal
Parameter #29
Name
Azimuth Angles in degrees
Set
Time series defined by using: EPOCH_ANGLES
ParameterKey
mms1_hpca_azimuth_angles_degrees
Description

Azimuth Angles in Degrees for each Anode for each HPCA Half-Spin

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
Cadence
PT0.625S
Units
degree
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SR
RenderingHints
ValueFormat
F
Structure
Size
16 16
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Name
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1
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Name
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Name
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3
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4
Element
Name
Element 5 1
Index
5
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Name
Element 6 1
Index
6
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Name
Element 7 1
Index
7
Element
Name
Element 8 1
Index
8
Element
Name
Element 9 1
Index
9
Element
Name
Element 10 1
Index
10
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Name
Element 11 1
Index
11
Element
Name
Element 12 1
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12
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Name
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13
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Index
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19
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Index
20
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Index
21
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Name
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Index
22
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Name
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23
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Name
Element 8 2
Index
24
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Name
Element 9 2
Index
25
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Name
Element 10 2
Index
26
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Name
Element 11 2
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27
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Name
Element 12 2
Index
28
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Name
Element 13 2
Index
29
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Name
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Index
30
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Name
Element 15 2
Index
31
Element
Name
Element 16 2
Index
32
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Name
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Index
33
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Name
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Index
34
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Name
Element 3 3
Index
35
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Name
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Index
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41
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Index
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51
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52
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53
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Element 6 4
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54
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Name
Element 8 4
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57
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58
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Element 11 4
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59
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Element 12 4
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61
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Element 14 4
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62
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Element 15 4
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Element 16 4
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64
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Name
Element 1 5
Index
65
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Name
Element 2 5
Index
66
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Name
Element 3 5
Index
67
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Name
Element 4 5
Index
68
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Name
Element 5 5
Index
69
Element
Name
Element 6 5
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70
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Name
Element 7 5
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71
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Element 8 5
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72
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Element 9 5
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73
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Element 10 5
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74
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Element 11 5
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Element 12 5
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83
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Name
Element 4 6
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84
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Element 5 6
Index
85
Element
Name
Element 6 6
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86
Element
Name
Element 7 6
Index
87
Element
Name
Element 8 6
Index
88
Element
Name
Element 9 6
Index
89
Element
Name
Element 10 6
Index
90
Element
Name
Element 11 6
Index
91
Element
Name
Element 12 6
Index
92
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Name
Element 13 6
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Element
Name
Element 16 6
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Name
Element 1 7
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97
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Name
Element 2 7
Index
98
Element
Name
Element 3 7
Index
99
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Name
Element 4 7
Index
100
Element
Name
Element 5 7
Index
101
Element
Name
Element 6 7
Index
102
Element
Name
Element 7 7
Index
103
Element
Name
Element 8 7
Index
104
Element
Name
Element 9 7
Index
105
Element
Name
Element 10 7
Index
106
Element
Name
Element 11 7
Index
107
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Name
Element 12 7
Index
108
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Name
Element 13 7
Index
109
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Name
Element 14 7
Index
110
Element
Name
Element 15 7
Index
111
Element
Name
Element 16 7
Index
112
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Name
Element 1 8
Index
113
Element
Name
Element 2 8
Index
114
Element
Name
Element 3 8
Index
115
Element
Name
Element 4 8
Index
116
Element
Name
Element 5 8
Index
117
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Name
Element 6 8
Index
118
Element
Name
Element 7 8
Index
119
Element
Name
Element 8 8
Index
120
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Name
Element 9 8
Index
121
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Name
Element 10 8
Index
122
Element
Name
Element 11 8
Index
123
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Name
Element 12 8
Index
124
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Name
Element 13 8
Index
125
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Name
Element 14 8
Index
126
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Name
Element 15 8
Index
127
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Name
Element 16 8
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128
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Name
Element 1 9
Index
129
Element
Name
Element 2 9
Index
130
Element
Name
Element 3 9
Index
131
Element
Name
Element 4 9
Index
132
Element
Name
Element 5 9
Index
133
Element
Name
Element 6 9
Index
134
Element
Name
Element 7 9
Index
135
Element
Name
Element 8 9
Index
136
Element
Name
Element 9 9
Index
137
Element
Name
Element 10 9
Index
138
Element
Name
Element 11 9
Index
139
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Name
Element 12 9
Index
140
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Name
Element 13 9
Index
141
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Name
Element 14 9
Index
142
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Element 15 9
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143
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144
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145
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146
Element
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Element 3 10
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147
Element
Name
Element 4 10
Index
148
Element
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Element 5 10
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149
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Element 6 10
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150
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Element 7 10
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151
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152
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153
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154
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155
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Element 12 10
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156
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Name
Element 13 10
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157
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Name
Element 14 10
Index
158
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Name
Element 15 10
Index
159
Element
Name
Element 16 10
Index
160
Element
Name
Element 1 11
Index
161
Element
Name
Element 2 11
Index
162
Element
Name
Element 3 11
Index
163
Element
Name
Element 4 11
Index
164
Element
Name
Element 5 11
Index
165
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Name
Element 6 11
Index
166
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Name
Element 7 11
Index
167
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Name
Element 8 11
Index
168
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Name
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169
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171
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Element 12 11
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173
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178
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Name
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180
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Name
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181
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Name
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Index
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Name
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Index
183
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Name
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Index
184
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Name
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Index
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Name
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Name
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Name
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Name
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Name
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Index
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Name
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Index
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Name
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Index
198
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Name
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Index
199
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Name
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Index
200
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Name
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Index
201
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Name
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Name
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Index
203
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Name
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Index
204
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Name
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Name
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Index
206
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Name
Element 15 13
Index
207
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Name
Element 16 13
Index
208
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Name
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Index
209
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Name
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Index
210
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Name
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Index
211
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Name
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Index
212
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Name
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Index
213
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Name
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Index
214
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Name
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Index
215
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Name
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Index
216
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Name
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Index
217
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Name
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Index
218
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Name
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Index
219
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Name
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Index
220
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Name
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Index
221
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Name
Element 14 14
Index
222
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Name
Element 15 14
Index
223
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Name
Element 16 14
Index
224
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Name
Element 1 15
Index
225
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Name
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Index
226
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Name
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Index
227
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Name
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Index
228
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Name
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229
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Name
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230
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Name
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231
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Index
232
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233
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234
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Index
235
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Index
236
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Index
237
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Name
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Index
238
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Index
239
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Name
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Index
240
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Name
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Index
241
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Name
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Index
242
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Name
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Index
243
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Name
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Index
244
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Name
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Index
245
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Name
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Index
246
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Name
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Index
247
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Name
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Index
248
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Name
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Index
249
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Name
Element 10 16
Index
250
Element
Name
Element 11 16
Index
251
Element
Name
Element 12 16
Index
252
Element
Name
Element 13 16
Index
253
Element
Name
Element 14 16
Index
254
Element
Name
Element 15 16
Index
255
Element
Name
Element 16 16
Index
256
FillValue
720.0
Particle
ParticleType
Ion
Qualifier
DirectionAngle.AzimuthAngle
ParticleQuantity
ArrivalDirection
Parameter #30
Name
Azimuth Angle per eV in degrees
Set
Time series defined by using: EPOCH_ANGLES
ParameterKey
mms1_hpca_azimuth_angles_per_ev_degrees
Description

Azimuth Angles per eV in Degrees for each Anode for each HPCA Half-Spin

  • Column 1 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 2 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
  • Column 3 Labels: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62]
Cadence
PT0.625S
Units
degree
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SR
RenderingHints
ValueFormat
F
Structure
Size
16 16 63
FillValue
720.0
Particle
ParticleType
Ion
Qualifier
DirectionAngle.AzimuthAngle
ParticleQuantity
ArrivalDirection
Parameter #31
Name
Center Elevation Angles
ParameterKey
mms1_hpca_centroid_elevation_angle
Description

Center Elevation Angles of each of the Anodes

Cadence
PT0.625S
Units
degree
UnitsConversion
0.0174532925>rad
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
SR
RenderingHints
ValueFormat
F
Structure
Size
16
Element
Name
Element 1
Index
1
Element
Name
Element 2
Index
2
Element
Name
Element 3
Index
3
Element
Name
Element 4
Index
4
Element
Name
Element 5
Index
5
Element
Name
Element 6
Index
6
Element
Name
Element 7
Index
7
Element
Name
Element 8
Index
8
Element
Name
Element 9
Index
9
Element
Name
Element 10
Index
10
Element
Name
Element 11
Index
11
Element
Name
Element 12
Index
12
Element
Name
Element 13
Index
13
Element
Name
Element 14
Index
14
Element
Name
Element 15
Index
15
Element
Name
Element 16
Index
16
ValidMin
11.25
ValidMax
168.75
Particle
ParticleType
Ion
Qualifier
DirectionAngle.ElevationAngle
ParticleQuantity
ArrivalDirection
Parameter #32
Name
Azimuth Index
ParameterKey
mms1_hpca_azimuth_index
Description

Azimuth Index Value

Cadence
PT0.625S
RenderingHints
ValueFormat
I
Structure
Size
16
Element
Name
Element 1
Index
1
Element
Name
Element 2
Index
2
Element
Name
Element 3
Index
3
Element
Name
Element 4
Index
4
Element
Name
Element 5
Index
5
Element
Name
Element 6
Index
6
Element
Name
Element 7
Index
7
Element
Name
Element 8
Index
8
Element
Name
Element 9
Index
9
Element
Name
Element 10
Index
10
Element
Name
Element 11
Index
11
Element
Name
Element 12
Index
12
Element
Name
Element 13
Index
13
Element
Name
Element 14
Index
14
Element
Name
Element 15
Index
15
Element
Name
Element 16
Index
16
ValidMin
0
ValidMax
15
Support
SupportQuantity
Other
Parameter #33
Name
Energy Step Index
ParameterKey
mms1_hpca_energy_step_number
Description

Energy Step Index Value

Cadence
PT0.625S
RenderingHints
ValueFormat
I
Structure
Size
63
Element
Name
Element 1
Index
1
Element
Name
Element 2
Index
2
Element
Name
Element 3
Index
3
Element
Name
Element 4
Index
4
Element
Name
Element 5
Index
5
Element
Name
Element 6
Index
6
Element
Name
Element 7
Index
7
Element
Name
Element 8
Index
8
Element
Name
Element 9
Index
9
Element
Name
Element 10
Index
10
Element
Name
Element 11
Index
11
Element
Name
Element 12
Index
12
Element
Name
Element 13
Index
13
Element
Name
Element 14
Index
14
Element
Name
Element 15
Index
15
Element
Name
Element 16
Index
16
Element
Name
Element 17
Index
17
Element
Name
Element 18
Index
18
Element
Name
Element 19
Index
19
Element
Name
Element 20
Index
20
Element
Name
Element 21
Index
21
Element
Name
Element 22
Index
22
Element
Name
Element 23
Index
23
Element
Name
Element 24
Index
24
Element
Name
Element 25
Index
25
Element
Name
Element 26
Index
26
Element
Name
Element 27
Index
27
Element
Name
Element 28
Index
28
Element
Name
Element 29
Index
29
Element
Name
Element 30
Index
30
Element
Name
Element 31
Index
31
Element
Name
Element 32
Index
32
Element
Name
Element 33
Index
33
Element
Name
Element 34
Index
34
Element
Name
Element 35
Index
35
Element
Name
Element 36
Index
36
Element
Name
Element 37
Index
37
Element
Name
Element 38
Index
38
Element
Name
Element 39
Index
39
Element
Name
Element 40
Index
40
Element
Name
Element 41
Index
41
Element
Name
Element 42
Index
42
Element
Name
Element 43
Index
43
Element
Name
Element 44
Index
44
Element
Name
Element 45
Index
45
Element
Name
Element 46
Index
46
Element
Name
Element 47
Index
47
Element
Name
Element 48
Index
48
Element
Name
Element 49
Index
49
Element
Name
Element 50
Index
50
Element
Name
Element 51
Index
51
Element
Name
Element 52
Index
52
Element
Name
Element 53
Index
53
Element
Name
Element 54
Index
54
Element
Name
Element 55
Index
55
Element
Name
Element 56
Index
56
Element
Name
Element 57
Index
57
Element
Name
Element 58
Index
58
Element
Name
Element 59
Index
59
Element
Name
Element 60
Index
60
Element
Name
Element 61
Index
61
Element
Name
Element 62
Index
62
Element
Name
Element 63
Index
63
ValidMin
0
ValidMax
62
Support
SupportQuantity
Other