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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 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/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
RolePersonStartDateStopDateNote
1.PrincipalInvestigatorspase://SMWG/Person/Janet.G.Luhmann
2.PrincipalInvestigatorspase://SMWG/Person/Christina.Lee
3.CoInvestigatorspase://SMWG/Person/Tycho.T.Von.Rosenvinge
4.CoInvestigatorspase://SMWG/Person/Eric.R.Christian
5.MetadataContactspase://SMWG/Person/Robert.M.Candey
6.MetadataContactspase://SMWG/Person/Andriy.Koval
InformationURL
Name
STEREO/IMPACT PI Site
URL
https://sprg.ssl.berkeley.edu/impact
Description

Experiment and Data descriptions for STEREO/IMPACT

InformationURL
Name
HET description
URL
https://sprg.ssl.berkeley.edu/impact/SSR/vonRosenetalSSR.pdf
Description

HET Instrument description paper

InformationURL
Name
STEREO page at Caltech
URL
https://www.srl.caltech.edu/STEREO/
InformationURL
Name
STEREO Science Center
URL
https://stereo-ssc.nascom.nasa.gov/data.shtml
PriorIDs
spase://VSPO/NumericalData/STEREO-A/IMPACT/HET/L1/PT1M
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/stereo/ahead/l1/impact/het/
Description

Access to Data in CDF Format via ftps from SPDF

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/l1/impact/het/
Description

Access to Data in CDF Format via https from SPDF

AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=STA_L1_HET&index=sp_phys
ProductKey
STA_L1_HET
Description

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

Format
CDF
Encoding
None
Acknowledgement
Please acknowledge the STEREO IMPACT PI, Janet Luhmann of UCB, and NASA Space Physics Data Facility (SPDF)
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
STA_L1_HET
Description

Web Service to this product using the HAPI interface.

Format
CSV
ProviderProcessingLevel
Level 1
InstrumentIDs
spase://SMWG/Instrument/STEREO-A/IMPACT/HET
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