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ACE Electron Proton Alpha Monitor (EPAM) CA60 PHA Ion SEP Event Matrix Data, 17 min Averages

ResourceID
spase://NASA/NumericalData/ACE/EPAM/CA60/PHA/Ion/SEP_Event/MatrixData/PT17M

Description

Pulse Height Analyzer matrix data for a single Solar Energetic Particle event from the ACE:EPAM instrument. Using the PHA data, one can quickly and very accurately determine composition.

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Details

Version:2.2.9

NumericalData

ResourceID
spase://NASA/NumericalData/ACE/EPAM/CA60/PHA/Ion/SEP_Event/MatrixData/PT17M
ResourceHeader
ResourceName
ACE Electron Proton Alpha Monitor (EPAM) CA60 PHA Ion SEP Event Matrix Data, 17 min Averages
AlternateName
EPAM-PHA-EVENT
ReleaseDate
2020-07-07 21:14:06Z
Description

Pulse Height Analyzer matrix data for a single Solar Energetic Particle event from the ACE:EPAM instrument. Using the PHA data, one can quickly and very accurately determine composition.

Acknowledgement
Thomas P. Armstrong, Fundamental Technologies LLC
Contacts
RolePerson
1.DataProducerspase://SMWG/Person/Thomas.P.Armstrong
InformationURL
Name
Explanation of EPAM print-groups and CSV file nomenclature.
URL
http://data.ftecs.com/VHO/VEPO/ace_epam/explanation-csv-files.html
Description

The Explanation HTML page at Fundamental Technologies describes how the numeric data from the ACE EPAM instrument are divided into different print-groups, the nomenclature of the ASCII-based comma-separated variable (CSV) files, and how those files can be accessed.

Association
AssociationID
spase://NASA/NumericalData/ACE/EPAM/CA60/PHA/Sectored/Ion/SEP_Event/CountRates/PT17M
AssociationType
Other
PriorIDs
spase://VEPO/NumericalData/ACE/EPAM/PHA/G120
spase://VSPO/NumericalData/ACE/EPAM/CA60/PHA/Ion/SEP_Event/MatrixData/PT17M
AccessInformation
RepositoryID
spase://SMWG/Repository/FTECS
Availability
Online
AccessRights
Open
AccessURL
Name
ACE EPAM PHA Event Data
URL
http://data.ftecs.com/VHO/VEPO/ace_epam/pha/events/
Description

Parent directory containing the PHA event data for the ACE/EPAM instrument for the entire mission.

Format
Text
Encoding
ASCII
Acknowledgement
Thomas P. Armstrong, Fundamental Technologies LLC
InstrumentIDs
spase://SMWG/Instrument/ACE/EPAM
MeasurementType
EnergeticParticles
TemporalDescription
TimeSpan
StartDate
1990-01-01 00:00:00.000
StopDate
2007-12-31 23:59:59.000
Cadence
PT17M
ObservedRegion
Heliosphere.NearEarth
Parameter #1
Name
Time for the record
ParameterKey
TimeStamp
Description

Time for the record given in year, day of year, hour, min, and decimal seconds. The given time represents the beginning of the event interval.

Structure
Size
5
Element
Name
Year
Index
1
FillValue
-9999
Element
Name
Day of year
Index
2
ValidMin
1
ValidMax
366
FillValue
-999
Element
Name
Hour of day
Index
3
ValidMin
0
ValidMax
23
FillValue
-99
Element
Name
Minute of hour
Index
4
ValidMin
0
ValidMax
59
FillValue
-99
Element
Name
Seconds of minute
Index
5
ValidMin
0.00
ValidMax
59.99
FillValue
-99.99
Support
SupportQuantity
Temporal
Parameter #2
Name
Number of Events
ParameterKey
NEVENTS
Description

Number of C/D pairs contained in this event file.

ValidMin
0
ValidMax
1024
FillValue
null
Support
SupportQuantity
Other
Parameter #3
Name
Event time offset
ParameterKey
ETIME
Description

Time offset for a given C/D pair in hundredths of a second

ValidMin
0
ValidMax
204800
FillValue
null
Support
SupportQuantity
Temporal
Parameter #4
Name
Sector
ParameterKey
SECT
Description

Sector, 1-8, in which the C/D event pair occurs.

ValidMin
1
ValidMax
8
FillValue
null
Support
SupportQuantity
Other
Parameter #5
Name
C1 Digitized Height
ParameterKey
C1
Description

Digitized pulse height from the first sampling of the C detector.

ValidMin
0
ValidMax
255
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #6
Name
D1 Digitized Height
ParameterKey
D1
Description

Digitized pulse height from the first sampling of the D detector.

ValidMin
0
ValidMax
255
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #7
Name
C2 Digitized Height
ParameterKey
C2
Description

Digitized pulse height from the second sampling of the C detector.

ValidMin
0
ValidMax
255
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #8
Name
D2 Digitized Height
ParameterKey
D2
Description

Digitized pulse height from the second sampling of the D detector.

ValidMin
0
ValidMax
255
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #9
Name
C1 Energy
ParameterKey
C1-Eng
Description

Deposited energy from the first sampling of the C detector.

Units
keV
ValidMin
0.0
ValidMax
1.00E+06
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #10
Name
D1 Energy
ParameterKey
D1-Eng
Description

Deposited energy from the first sampling of the D detector.

Units
keV
ValidMin
0.0
ValidMax
1.00E+06
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #11
Name
C2 Energy
ParameterKey
C2-Eng
Description

Deposited energy from the second sampling of the C detector.

Units
keV
ValidMin
0.0
ValidMax
1.00E+06
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #12
Name
D2 Energy
ParameterKey
D2-Eng
Description

Deposited energy from the second sampling of the D detector.

Units
keV
ValidMin
0.0
ValidMax
1.00E+06
FillValue
null
Particle
ParticleType
Ion
ParticleQuantity
Energy
Parameter #13
Name
Priority Schedule
ParameterKey
PSCHED
Description

Schedule for species priority: 0 - Fe, O, He, H 1 - O, Fe, H, He 2 - H, Fe, O, He 3 - He, Fe, O, H

ValidMin
0
ValidMax
3
FillValue
null
Support
SupportQuantity
Other
Parameter #14
Name
Event 1 Channel
ParameterKey
E1-Ch
Description

Channel which triggered the first event pair, W1-W8.

Support
SupportQuantity
Other
Parameter #15
Name
Event 2 Channel
ParameterKey
E2-Ch
Description

Channel which triggered the second event pair, W1-W8.

Support
SupportQuantity
Other