HDPWS

STEREO-A IMPACT HET Level 1 Data

(2024). STEREO-A IMPACT HET Level 1 Data. [Data set]. NASA Space Physics Data Facility. https://doi.org/10.48322/12as-eq92. Accessed on .

Note: Proper references, including 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/STEREO-A/IMPACT/HET/L1/PT1M

Description
STEREO-A In-Situ Measurements of Particles and CME Transients (IMPACT) High Energy Telescopes (HET) Level 1 1-minute data include electron fluxes in (cm^2 s sr MeV)^-1 measured in 3 energy ranges (0.7-1.4, 1.4-2.8 and 2.8-4.0 MeV) and proton fluxes in (cm^2 s sr MeV)^-1 measured in 11 energy ranges (13.6-15.1, 15.0-17.1, 17.0-19.3, 20.8-23.8, 23.8-26.4, 26.3-29.7, 29.6-33.4, 33.4-35.8, 35.6-40.5, 40-60, and 60-100 MeV).

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Details

Version:2.6.1

NumericalData

ResourceID
spase://NASA/NumericalData/STEREO-A/IMPACT/HET/L1/PT1M
ResourceHeader
ResourceName
STEREO-A IMPACT HET Level 1 Data
DOI
https://doi.org/10.48322/12as-eq92
ReleaseDate
2024-07-01 00:00:00
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 21:15:19
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2024-06-13 00:00:00
Note
Metadata, including parameter descriptions, updated by ADAPT code (LFB), final editing and DOI minting by AK
RevisionEvent
ReleaseDate
2024-07-01 00:00:00
Note
Publication Info added by TLK
Description
STEREO-A In-Situ Measurements of Particles and CME Transients (IMPACT) High Energy Telescopes (HET) Level 1 1-minute data include electron fluxes in (cm^2 s sr MeV)^-1 measured in 3 energy ranges (0.7-1.4, 1.4-2.8 and 2.8-4.0 MeV) and proton fluxes in (cm^2 s sr MeV)^-1 measured in 11 energy ranges (13.6-15.1, 15.0-17.1, 17.0-19.3, 20.8-23.8, 23.8-26.4, 26.3-29.7, 29.6-33.4, 33.4-35.8, 35.6-40.5, 40-60, and 60-100 MeV).
Acknowledgement
Please acknowledge the STEREO IMPACT PI, Janet Luhmann of UCB, and NASA Space Physics Data Facility (SPDF)
PublicationInfo
Authors
Luhmann, Janet; G., Lee, Christina; von Rosenvinge, Tycho T.; Christian, Eric R.
PublicationDate
2024-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Janet.G.Luhmann
2. PrincipalInvestigator spase://SMWG/Person/Christina.Lee
3. CoInvestigator spase://SMWG/Person/Tycho.T.Von.Rosenvinge
4. CoInvestigator spase://SMWG/Person/Eric.R.Christian
5. MetadataContact spase://SMWG/Person/Robert.M.Candey
6. MetadataContact spase://SMWG/Person/Andriy.Koval

InformationURL
Name
STEREO/IMPACT PI Site
URL
Description
Experiment and Data descriptions for STEREO/IMPACT
InformationURL
Name
HET description
URL
Description
HET Instrument description paper
InformationURL
Name
STEREO page at Caltech
URL
InformationURL
Name
STEREO Science Center
URL
PriorIDs
spase://VSPO/NumericalData/STEREO-A/IMPACT/HET/L1/PT1M
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
Access to Data in CDF Format via ftps from SPDF
AccessURL
Name
HTTPS from SPDF
URL
Description
Access to Data in CDF Format via https from SPDF
AccessURL
Name
CDAWeb
URL
ProductKey
STA_L1_HET
Description
Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb
Format
CDF
Encoding
None
AccessDirectoryTemplate
https://cdaweb.gsfc.nasa.gov/pub/data/stereo/ahead/l1/impact/het/$Y
AccessFilenameTemplate
sta_l1_het_$Y$m$d_$v.cdf
Acknowledgement
Please acknowledge the STEREO IMPACT PI, Janet Luhmann of UCB, and NASA Space Physics Data Facility (SPDF)
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
Style
WebService
ProductKey
STA_L1_HET
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Please acknowledge the STEREO IMPACT PI, Janet Luhmann of UCB, and NASA Space Physics Data Facility (SPDF)
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
STA_L1_HET
Description
Web Service to this product using the HAPI interface.
Format
CSV
ProviderProcessingLevel
Level 1
InstrumentIDs
MeasurementType
EnergeticParticles
TemporalDescription
TimeSpan
StartDate
2006-12-01 00:00:53
RelativeStopDate
-P2M
Cadence
PT1M
ObservedRegion
Heliosphere.Remote1AU
Parameter #1
Name
Epoch
ParameterKey
Epoch
Description
Time since 0 AD
Caveats
Start of interval time tag
Units
ms
UnitsConversion
1.0e-3>s
RenderingHints
AxisLabel
Epoch
ValidMin
01-Jan-1990 00:00:00.000
ValidMax
31-Dec-2020 00:00:00.000
FillValue
31-Dec-9999 23:59:59.999
Support
SupportQuantity
Temporal
Parameter #2
Name
Instrument Mode
Set
Time series defined by using: Epoch
ParameterKey
Mode
Description
Rate mode of the HET instrument.
Caveats
0: Low rate mode 1: High rate mode
Cadence
PT1M
RenderingHints
AxisLabel
mode
ValueFormat
I3
ScaleType
LinearScale
ValidMin
0
ValidMax
1
FillValue
255
Support
SupportQuantity
InstrumentMode
Parameter #3
Name
Electron Flux
Set
Time series defined by using: Epoch
ParameterKey
Electron_Flux
Description
Electron flux measured by HET in 3 energy bins (time series: good with plot overlay option, above)
Cadence
PT1M
Units
(cm^2 s sr MeV)^-1
UnitsConversion
6.24161e-19>(m^2 s sr J)^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Electron Flux
ValueFormat
E12.2
ScaleType
LogScale
Structure
Size
3
Element
Name
E 0.7 - 1.4 MeV
Index
1
RenderingHints
AxisLabel
1.05000
Element
Name
E 1.4 - 2.8 MeV
Index
2
RenderingHints
AxisLabel
2.10000
Element
Name
E 2.8 - 4.0 MeV
Index
3
RenderingHints
AxisLabel
3.40000
ValidMin
-1.0e+30
ValidMax
1.0e+30
FillValue
-1.0e+31
Particle
ParticleType
Electron
Qualifier
Array
Qualifier
Differential
ParticleQuantity
NumberFlux
Parameter #4
Name
Electron Flux
Set
Time series defined by using: Epoch
ParameterKey
Electron_Flux_stack
Description
Electron flux measured by HET in 3 energy bins (stacked plot)
Caveats
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: Electron_Flux.
Cadence
PT1M
Units
(cm^2 s sr MeV)^-1
UnitsConversion
6.24161e-19>(m^2 s sr J)^-1
RenderingHints
AxisLabel
Electron Flux
ValueFormat
E12.2
ScaleType
LogScale
Structure
Size
3
Element
Name
E 0.7 - 1.4 MeV
Index
1
RenderingHints
AxisLabel
1.05000
Element
Name
E 1.4 - 2.8 MeV
Index
2
RenderingHints
AxisLabel
2.10000
Element
Name
E 2.8 - 4.0 MeV
Index
3
RenderingHints
AxisLabel
3.40000
ValidMin
-1.0e+30
ValidMax
1.0e+30
FillValue
-1.0e+31
Particle
ParticleType
Electron
Qualifier
Array
Qualifier
Differential
ParticleQuantity
NumberFlux
Parameter #5
Name
Proton Flux
Set
Time series defined by using: Epoch
ParameterKey
Proton_Flux
Description
Proton flux measured by the HET instrument in 11 energy bins (time series: good with plot overlay option, above)
Cadence
PT1M
Units
(cm^2 s sr MeV)^-1
UnitsConversion
6.24161e-19>(m^2 s sr J)^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Proton Flux
ValueFormat
E12.2
ScaleType
LogScale
Structure
Size
11
Element
Name
P 13.6 - 15.1 MeV
Index
1
RenderingHints
AxisLabel
14.3500
Element
Name
P 15.0 - 17.1 MeV
Index
2
RenderingHints
AxisLabel
16.0500
Element
Name
P 17.0 - 19.3 MeV
Index
3
RenderingHints
AxisLabel
18.1500
Element
Name
P 20.8 - 23.8 MeV
Index
4
RenderingHints
AxisLabel
22.3000
Element
Name
P 23.8 - 26.4 MeV
Index
5
RenderingHints
AxisLabel
25.1000
Element
Name
P 26.3 - 29.7 MeV
Index
6
RenderingHints
AxisLabel
28
Element
Name
P 29.6 - 33. 4 MeV
Index
7
RenderingHints
AxisLabel
31.5000
Element
Name
P 33.4 - 35.8 MeV
Index
8
RenderingHints
AxisLabel
34.6000
Element
Name
P 35.6 - 40.5 MeV
Index
9
RenderingHints
AxisLabel
38.0500
Element
Name
P 40 - 60 MeV
Index
10
RenderingHints
AxisLabel
50
Element
Name
P 60 - 100 MeV
Index
11
RenderingHints
AxisLabel
80
ValidMin
-1.0e+30
ValidMax
1.0e+30
FillValue
-1.0e+31
Particle
ParticleType
Proton
Qualifier
Array
Qualifier
Differential
ParticleQuantity
NumberFlux
Parameter #6
Name
Proton Flux
Set
Time series defined by using: Epoch
ParameterKey
Proton_Flux_stack
Description
Proton flux measured by the HET instrument in 11 energy bins (stacked)
Caveats
This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: Proton_Flux.
Cadence
PT1M
Units
(cm^2 s sr MeV)^-1
UnitsConversion
6.24161e-19>(m^2 s sr J)^-1
RenderingHints
AxisLabel
Proton Flux
ValueFormat
E12.2
ScaleType
LogScale
Structure
Size
11
Element
Name
P 13.6 - 15.1 MeV
Index
1
RenderingHints
AxisLabel
14.3500
Element
Name
P 15.0 - 17.1 MeV
Index
2
RenderingHints
AxisLabel
16.0500
Element
Name
P 17.0 - 19.3 MeV
Index
3
RenderingHints
AxisLabel
18.1500
Element
Name
P 20.8 - 23.8 MeV
Index
4
RenderingHints
AxisLabel
22.3000
Element
Name
P 23.8 - 26.4 MeV
Index
5
RenderingHints
AxisLabel
25.1000
Element
Name
P 26.3 - 29.7 MeV
Index
6
RenderingHints
AxisLabel
28
Element
Name
P 29.6 - 33. 4 MeV
Index
7
RenderingHints
AxisLabel
31.5000
Element
Name
P 33.4 - 35.8 MeV
Index
8
RenderingHints
AxisLabel
34.6000
Element
Name
P 35.6 - 40.5 MeV
Index
9
RenderingHints
AxisLabel
38.0500
Element
Name
P 40 - 60 MeV
Index
10
RenderingHints
AxisLabel
50
Element
Name
P 60 - 100 MeV
Index
11
RenderingHints
AxisLabel
80
ValidMin
-1.0e+30
ValidMax
1.0e+30
FillValue
-1.0e+31
Particle
ParticleType
Proton
Qualifier
Array
Qualifier
Differential
ParticleQuantity
NumberFlux
Parameter #7
Name
Electron_Sigma
Set
Time series defined by using: Epoch
ParameterKey
Electron_Sigma
Description
Electron flux sigma uncertainty based on counting statistics
Cadence
PT1M
Units
(cm^2 s sr MeV)^-1
UnitsConversion
6.24161e-19>(m^2 s sr J)^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Electron Sigma
ValueFormat
E12.2
ScaleType
LinearScale
Structure
Size
3
Element
Name
E 0.7 - 1.4 MeV
Index
1
RenderingHints
AxisLabel
1.05000
Element
Name
E 1.4 - 2.8 MeV
Index
2
RenderingHints
AxisLabel
2.10000
Element
Name
E 2.8 - 4.0 MeV
Index
3
RenderingHints
AxisLabel
3.40000
ValidMin
-1.0e+30
ValidMax
1.0e+30
FillValue
-1.0e+31
Particle
ParticleType
Electron
Qualifier
Array
Qualifier
Uncertainty
Qualifier
Differential
ParticleQuantity
NumberFlux
Parameter #8
Name
Proton_Sigma
Set
Time series defined by using: Epoch
ParameterKey
Proton_Sigma
Description
Proton flux sigma uncertainty based on counting statistics
Cadence
PT1M
Units
(cm^2 s sr MeV)^-1
UnitsConversion
6.24161e-19>(m^2 s sr J)^-1
RenderingHints
DisplayType
TimeSeries
AxisLabel
Proton Sigma
ValueFormat
E12.2
ScaleType
LinearScale
Structure
Size
11
Element
Name
P 13.6 - 15.1 MeV
Index
1
RenderingHints
AxisLabel
14.3500
Element
Name
P 15.0 - 17.1 MeV
Index
2
RenderingHints
AxisLabel
16.0500
Element
Name
P 17.0 - 19.3 MeV
Index
3
RenderingHints
AxisLabel
18.1500
Element
Name
P 20.8 - 23.8 MeV
Index
4
RenderingHints
AxisLabel
22.3000
Element
Name
P 23.8 - 26.4 MeV
Index
5
RenderingHints
AxisLabel
25.1000
Element
Name
P 26.3 - 29.7 MeV
Index
6
RenderingHints
AxisLabel
28
Element
Name
P 29.6 - 33. 4 MeV
Index
7
RenderingHints
AxisLabel
31.5000
Element
Name
P 33.4 - 35.8 MeV
Index
8
RenderingHints
AxisLabel
34.6000
Element
Name
P 35.6 - 40.5 MeV
Index
9
RenderingHints
AxisLabel
38.0500
Element
Name
P 40 - 60 MeV
Index
10
RenderingHints
AxisLabel
50
Element
Name
P 60 - 100 MeV
Index
11
RenderingHints
AxisLabel
80
ValidMin
-1.0e+30
ValidMax
1.0e+30
FillValue
-1.0e+31
Particle
ParticleType
Proton
Qualifier
Array
Qualifier
Uncertainty
Qualifier
Differential
ParticleQuantity
NumberFlux
Parameter #9
Name
Electron_Flux_midpoints
ParameterKey
Electron_Flux_Energy_vals
Description
Electron flux midpoints
Units
MeV
UnitsConversion
1.602176565e-13>J
RenderingHints
AxisLabel
Electron Flux energies
ValueFormat
F5
ScaleType
LogScale
Structure
Size
3
ValidMin
1.0
ValidMax
4.0
Support
Qualifier
Array
SupportQuantity
Other
Parameter #10
Name
Proton_Flux_Energy midpoint vals
ParameterKey
Proton_Flux_Energy_vals
Description
Proton_Flux_Energy midpoint vals
Units
MeV
UnitsConversion
1.602176565e-13>J
RenderingHints
AxisLabel
Proton Flux energies
ValueFormat
F5
ScaleType
LogScale
Structure
Size
11
ValidMin
14.35
ValidMax
80.0
Support
Qualifier
Array
SupportQuantity
Other