Version:2.5.0
NumericalData
ResourceID
spase://NASA/NumericalData/MMS/4/FIELDS/EDP/Slow/Level2/SpacecraftPotential/PT0.125S
ResourceHeader
ResourceName
MMS 4 Electric Double Probe (EDP) Spacecraft Potential, Level 2 (L2), Slow Mode, 0.125 s Data
AlternateName
MMS4_EDP_SLOW_L2_SCPOT
DOI
https://doi.org/10.48322/t44j-x227
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 EDP team, metadata updated to SPASE 2.5.0, reviewed by LFB 20230304
Description
Electric Double Probe, Dual Probe Spacecraft Potential, Level 2, Slow Survey Data. Spacecraft potential is etstimatrd by averaging measurements of the probe-to-spacecraft potential from several probes.
Acknowledgement
Please acknowledge R.E. Ergun, P.-A. Lindqvist, R.B. Torbert, N. Ahmadi, D.B. Graham, and J.L. Burch for use of these data
PublicationInfo
Authors
Ergun, Robert, E.; Lindqvist, Per-Arne; Torbert, Roy, B.; Ahmadi, Narges; Graham, Daniel, Bruce; Burch, James, L.
PublicationDate
2022-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility
Contacts
InformationURL
Name
At NASA GSFC
URL
Description
Magnetospheric Multiscale (MMS) mission home page
PriorIDs
spase://VSPO/NumericalData/MMS/4/FIELDS/EDP/Slow/Level2/SpacecraftPotential/PT0.125S
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from the MMS SDC (not with most browsers)
URL
Description
In CDF via ftp from the MMS Science Data Center
AccessURL
Name
HTTPS from the MMS SDC
URL
Description
In CDF via http from the MMS Science Data Center
Format
CDF
Encoding
None
Acknowledgement
Please acknowledge R.E. Ergun, P.-A. Lindqvist, R.B. Torbert, N. Ahmadi, D.B. Graham, and J.L. Burch. Also please acknowledge the data providers and CDAWeb when using these data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
AccessURL
Name
HTTPS from SPDF
URL
Description
In CDF via http from SPDF
AccessURL
Name
CDAWeb
URL
ProductKey
MMS4_EDP_SLOW_L2_SCPOT
Description
Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb
Format
CDF
Encoding
None
Acknowledgement
Please acknowledge R.E. Ergun, P.-A. Lindqvist, R.B. Torbert, N. Ahmadi, D.B. Graham, and J.L. Burch. Also please acknowledge the data providers and CDAWeb when using these data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
Style
HAPI
ProductKey
MMS4_EDP_SLOW_L2_SCPOT
Description
Web Service to this product using the HAPI interface
Format
CSV
Acknowledgement
Please acknowledge R.E. Ergun, P.-A. Lindqvist, R.B. Torbert, N. Ahmadi, D.B. Graham, and J.L. Burch. Also please acknowledge the data providers and CDAWeb when using these data.
ProcessingLevel
Calibrated
InstrumentIDs
MeasurementType
ElectricField
TemporalDescription
TimeSpan
StartDate
2015-07-28 00:00:00
RelativeStopDate
-P2M
Cadence
PT0.125S
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
Epoch Time
ParameterKey
mms4_edp_epoch_slow_l2
Description
Epoch Time Tags, Interval Centered, in Terrestrial Time 2000 (TT2000)
Caveats
This parameter exhibits an increasing monotonic progression.
Cadence
PT0.125S
Units
ns
UnitsConversion
1.0e-9>s
ValidMin
1990-01-01T00:00:00.000000000
ValidMax
2100-01-01T00:00:01.000000000
FillValue
9999-12-31T23:59:59.999999999
Support
Parameter #2
Name
Spacecraft Potential
Set
Time series defined by using: MMS4_EDP_EPOCH_SLOW_L2
ParameterKey
mms4_edp_scpot_slow_l2
Description
Spacecraft Potential, Level 2, Slow Survey
Cadence
PT0.125S
Units
V
UnitsConversion
1.0>V
RenderingHints
DisplayType
TimeSeries
AxisLabel
ScPot
ValueFormat
f8.3
ValidMin
-120.0
ValidMax
50.0
FillValue
-1.0e+31
Field
Parameter #3
Name
Average Probe to Spacecraft Potential
Set
Time series defined by using: MMS4_EDP_EPOCH_SLOW_L2
ParameterKey
mms4_edp_psp_slow_l2
Description
Average of the Probe to Spacecraft Potential Values, Level 2, Slow Survey
Cadence
PT0.125S
Units
V
UnitsConversion
1.0>V
RenderingHints
DisplayType
TimeSeries
AxisLabel
Probe2Sc pot
ValueFormat
f8.3
ValidMin
-120.0
ValidMax
50.0
FillValue
-1.0e+31
Field
Qualifier
Average
FieldQuantity
Potential
Parameter #4
Name
Probe to Spacecraft Potential, Individual Probe
Set
Time series defined by using: MMS4_EDP_EPOCH_SLOW_L2
ParameterKey
mms4_edp_dcv_slow_l2
Description
Probe to Spacecraft Potential, Individual Probes, Level 2, Slow Survey
Cadence
PT0.125S
Units
V
UnitsConversion
1.0>V
RenderingHints
DisplayType
TimeSeries
ValueFormat
f8.3
Structure
Size
6
Element
Element
Element
Element
Element
Element
ValidMin
-120.0
ValidMax
50.0
FillValue
-1.0e+31
Field
Parameter #5
Name
Status Bitmask
Set
Time series defined by using: MMS4_EDP_EPOCH_SLOW_L2
ParameterKey
mms4_edp_bitmask_slow_l2
Description
Status Bitmask, Values Used: Bitmask and 0x001: True when probe(s) are disabled, Bitmask and 0x002: True when probe(s) have bad bias settings, Bitmask and 0x004: True when probe(s) are saturated, Bitmask and 0x008: True when probe(s) are saturated due to low density, Bitmask and 0x016: True when probe(s) are sweeping bias, Bitmask and 0x032: True when SDP probe(s) are in shadow from the ADP booms, Bitmask and 0x064: True when ASPOC is emitting non-zero current
Cadence
PT0.125S
RenderingHints
AxisLabel
Bitmask
ValueFormat
i7
ValidMin
0
ValidMax
65534
FillValue
65535
Support
Parameter #6
Name
Data Quality indicator
Set
Time series defined by using: MMS4_EDP_EPOCH_SLOW_L2
ParameterKey
mms4_edp_quality_slow_l2
Description
Data Quality Indicator: 4, Best; 3, Good; 2, Data OK, Use with some Caution; 1, Bad Data, Use with Caution; 0, Really Bad Data or No Data
Cadence
PT0.125S
RenderingHints
DisplayType
TimeSeries
AxisLabel
ScPot quality
ValueFormat
i7
ValidMin
0
ValidMax
4
FillValue
255
Support
Parameter #7
Name
Epoch Time Delta Plus/Minus
ParameterKey
mms4_edp_deltap_slow_l2
Description
The Time Interval of Data Measurements is given by the Epoch Time Tags and Delta Plus/Minus
Cadence
PT0.125S
Units
ns
UnitsConversion
1.0e-9>s
RenderingHints
ValidMin
61000
ValidMax
62500000
FillValue
-9223372036854775808
Support