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AMPTE - CCE - MEPA - ion flux : 2 pitch angles

ResourceID
spase://CNES/NumericalData/CDPP-AMDA/CCE/MEPA/cce-mepa-pa

Description
The source of the data is the ion head of the medium-energy particle analyzer (MEPA) on the MPTE/CCE spacecraft, which detected ions with energy 25-7000 keV in 10 energy bins. Since the detector did not distinguish different ions, one may assume that the particles are mostly protons. Only data from the first 5 energy bins are included in present dataset. The MEPA instrument suffered gain shift throughout its mission, which resulted in upward shift of the energy passbands. The gain factor has been periodically evaluated and energy passbands are updated accordingly. The data was also divided into two pitch angle bins, one covering particles with velocities nearly perpendicular (pa 45-135°) and the other covering particles with velocities nearly parallel (pa 0-45° and 135-180°) to the measured magnetic field.

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Version:2.4.1

NumericalData

ResourceID
spase://CNES/NumericalData/CDPP-AMDA/CCE/MEPA/cce-mepa-pa
ResourceHeader
ResourceName
AMPTE - CCE - MEPA - ion flux : 2 pitch angles
AlternateName
MEPA ION head : 5 energy bins, 2 pitch angles
ReleaseDate
2020-02-21 11:53:07Z
Description
The source of the data is the ion head of the medium-energy particle analyzer (MEPA) on the MPTE/CCE spacecraft, which detected ions with energy 25-7000 keV in 10 energy bins. Since the detector did not distinguish different ions, one may assume that the particles are mostly protons. Only data from the first 5 energy bins are included in present dataset. The MEPA instrument suffered gain shift throughout its mission, which resulted in upward shift of the energy passbands. The gain factor has been periodically evaluated and energy passbands are updated accordingly. The data was also divided into two pitch angle bins, one covering particles with velocities nearly perpendicular (pa 45-135°) and the other covering particles with velocities nearly parallel (pa 0-45° and 135-180°) to the measured magnetic field.
Acknowledgement
User will acknowledge the AMPTE/CCE MEPA team in any publication resulting from the use of these data.
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Richard.W.McEntire
InformationURL
Name
NSSDC Master Catalog
URL
https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1984-088A-02
Description
NSSDC information about the AMPTE CCE MEPA experiment
InformationURL
Name
Data Source Files Description
URL
http://sd-www.jhuapl.edu/AMPTE/mepa_data/description/2012_10_26_data_description.pdf
Description
Data Source Files Description at JHU/APL
AccessInformation
RepositoryID
spase://SMWG/Repository/CDPP/AMDA
Availability
Online
AccessRights
Open
AccessURL
Name
CDPP/AMDA HAPI Server
URL
https://amda.irap.omp.eu/service/hapi
Style
HAPI
ProductKey
cce-mepa-pa
Description
Web Service to this product using the HAPI interface.
Format
CSV
Acknowledgement
Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.
AccessInformation
RepositoryID
spase://SMWG/Repository/CDPP/AMDA
Availability
Online
AccessRights
Open
AccessURL
Name
CDPP/AMDA Web application
URL
https://amda.cdpp.eu
Description
Access to Data via CDPP/AMDA Web application.
Format
CSV
Format
VOTable
Format
CDF
Format
PNG
Acknowledgement
Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.
ProviderName
JHU/APL
ProviderResourceName
cce_mepa_ech2pa
InstrumentIDs
spase://CNES/Instrument/CDPP-AMDA/CCE/MEPA
MeasurementType
ThermalPlasma
TemporalDescription
TimeSpan
StartDate
1984-08-21 17:59:10Z
StopDate
1989-01-11 12:10:46Z
Cadence
PT20S
ObservedRegion
Earth.Magnetosheath
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.Magnetosphere.Magnetotail
ObservedRegion
Heliosphere.NearEarth
Parameter #1
Name
ion flux para
ParameterKey
cce_mepa_pa_para
Description
Number flux for particles with velocities nearly parallel to the measured magnetic field.
Units
1/cm^2/s/sr
RenderingHints
DisplayType
Spectrogram
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #2
Name
ion flux perp
ParameterKey
cce_mepa_pa_perp
Description
Number flux for particles with velocities nearly perpendicular to the measured magnetic field.
Units
1/cm^2/s/sr
RenderingHints
DisplayType
Spectrogram
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #3
Name
ion flux E0
ParameterKey
cce_mepa_pa_E0
Description
Number flux for both pitch angle bins at Energy E0. E0 is varying due to gain shift from range 25-76 to 34-100 keV
Units
1/cm^2/s/sr
RenderingHints
DisplayType
TimeSeries
Structure
Size
2
Element
Name
perp
Index
1
ParameterKey
cce_mepa_pa_E0(0)
Element
Name
para
Index
2
ParameterKey
cce_mepa_pa_E0(1)
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #4
Name
ion flux E1
ParameterKey
cce_mepa_pa_E1
Description
Number flux for both pitch angle bins at Energy E1. E1 is varying due to gain shift from range 34-100 to 50-150 keV
Units
1/cm^2/s/sr
RenderingHints
DisplayType
TimeSeries
Structure
Size
2
Element
Name
perp
Index
1
ParameterKey
cce_mepa_pa_E1(0)
Element
Name
para
Index
2
ParameterKey
cce_mepa_pa_E1(1)
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #5
Name
ion flux E2
ParameterKey
cce_mepa_pa_E2
Description
Number flux for both pitch angle bins at Energy E2. E2 is varying due to gain shift from range 50-150 to 83-250 keV
Units
1/cm^2/s/sr
RenderingHints
DisplayType
TimeSeries
Structure
Size
2
Element
Name
perp
Index
1
ParameterKey
cce_mepa_pa_E2(0)
Element
Name
para
Index
2
ParameterKey
cce_mepa_pa_E2(1)
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #6
Name
ion flux E3
ParameterKey
cce_mepa_pa_E3
Description
Number flux for both pitch angle bins at Energy E3. E3 is varying due to gain shift from range 83-250 to 151-460 keV
Units
1/cm^2/s/sr
RenderingHints
DisplayType
TimeSeries
Structure
Size
2
Element
Name
perp
Index
1
ParameterKey
cce_mepa_pa_E3(0)
Element
Name
para
Index
2
ParameterKey
cce_mepa_pa_E3(1)
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #7
Name
ion flux E4
ParameterKey
cce_mepa_pa_E4
Description
Number flux for both pitch angle bins at Energy E4. E4 is varying due to gain shift from range 151-460 to 285-860 keV
Units
1/cm^2/s/sr
RenderingHints
DisplayType
TimeSeries
Structure
Size
2
Element
Name
perp
Index
1
ParameterKey
cce_mepa_pa_E4(0)
Element
Name
para
Index
2
ParameterKey
cce_mepa_pa_E4(1)
Particle
ParticleType
Ion
ParticleQuantity
NumberFlux
Parameter #8
Name
energy bounds
ParameterKey
cce_mepa_pa_energy
Units
keV
RenderingHints
DisplayType
TimeSeries
Structure
Size
6
Element
Name
E0 min
Index
1
ParameterKey
cce_mepa_pa_energy(0)
Element
Name
E1 min
Index
2
ParameterKey
cce_mepa_pa_energy(1)
Element
Name
E2 min
Index
3
ParameterKey
cce_mepa_pa_energy(2)
Element
Name
E3 min
Index
4
ParameterKey
cce_mepa_pa_energy(3)
Element
Name
E4 min
Index
5
ParameterKey
cce_mepa_pa_energy(4)
Element
Name
E4 max
Index
6
ParameterKey
cce_mepa_pa_energy(5)
Support
SupportQuantity
Other
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Last Updated: 2020-02-21