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SAC-C Mag-R: Calibrated CSC and raw IST data

ResourceID
spase://VSPO/NumericalData/SAC-C/CSC/MAGR/PT1S

Description

This dataset contains 1 second measurements of the magnetic field vector from the Compact Spherical Coil (CSC) Fluxgate Vector Magnetometer and matrices describing rotation from J2000 reference system to stellar compass coordinate system and Earth Centered, Earth Fixed polar coordinates to J2000 reference system on the SAC-C spacecraft.

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Details

Version:2.2.9

NumericalData

ResourceID
spase://VSPO/NumericalData/SAC-C/CSC/MAGR/PT1S
ResourceHeader
ResourceName
SAC-C Mag-R: Calibrated CSC and raw IST data
ReleaseDate
2019-05-05 12:34:56Z
Description

This dataset contains 1 second measurements of the magnetic field vector from the Compact Spherical Coil (CSC) Fluxgate Vector Magnetometer and matrices describing rotation from J2000 reference system to stellar compass coordinate system and Earth Centered, Earth Fixed polar coordinates to J2000 reference system on the SAC-C spacecraft.

Acknowledgement
Centre National d'Etudes Spatiales (France); National Aeronautics and Space Administration (United States); Danish Space Research Institute (Denmark); National Commission of Space Activities (CONAE) (Argentina); Instituto Nacional de Pesquisas Espaciais, Brazil (Brazil); Agenzia Spaziale Italiana (Italy)
Contacts
RolePerson
1.ProjectScientistspase://SMWG/Person/UNKNOWN
2.MetadataContactspase://SMWG/Person/James.M.Weygand
PriorIDs
spase://VMO/NumericalData/SAC-C/CSC/MAGR/PT1S
AccessInformation
RepositoryID
spase://SMWG/Repository/SAC-C
Availability
Online
AccessRights
Open
AccessURL
Name
Virtual Magnetospheric Observatory
URL
http://vmo.igpp.ucla.edu/data1/SAC-C/
Description

Compact Spherical Coil Fluxgate Vector Magnetometer MAG-R data.

Format
Text
Acknowledgement
Centre National d'Etudes Spatiales (France); National Aeronautics and Space Administration (United States); Danish Space Research Institute (Denmark); National Commission of Space Activities (CONAE) (Argentina); Instituto Nacional de Pesquisas Espaciais, Brazil (Brazil); Agenzia Spaziale Italiana (Italy)
ProcessingLevel
Calibrated
ProviderResourceName
Compact Spherical Coil Fluxgate Vector Magnetometer MAG-R data
ProviderProcessingLevel
Calibrated
InstrumentIDs
spase://SMWG/Instrument/SAC-C/CSC
MeasurementType
MagneticField
TemporalDescription
TimeSpan
StartDate
2001-02-01 00:00:00Z
StopDate
2002-06-09 23:59:59Z
Note
It is not clear if additional data is available.
Cadence
PT1S
ObservedRegion
Earth.NearSurface
ObservedRegion
Earth.NearSurface.AuroralRegion
ObservedRegion
Earth.NearSurface.Ionosphere
ObservedRegion
Earth.NearSurface.PolarCap
Parameter #1
Name
Universal Time
ParameterKey
Time
Description

Universal time columns from left to right are: year-month-day (yyyy-mm-dd) and seconds of the day.

Cadence
PT1S
Structure
Size
2
Description

Universal Time expressed using a 6-column day, month, year, hour, minute, second representation

Element
Name
Year-Month-Day
Index
1
ParameterKey
Column_1-Column_2-Column_3
Element
Name
Second
Index
2
ParameterKey
Second
Support
SupportQuantity
Temporal
Parameter #2
Name
SAC-C Spacecraft Position Vector in ECEF polar coordinates
ParameterKey
Position Vectors
Description

Location of the spacecraft in Earth Centered, Earth Fixed polar coordinates in units of Re and degrees.

Cadence
PT1S
CoordinateSystem
CoordinateRepresentation
Spherical
CoordinateSystemName
ECEF
Structure
Size
3
Element
Name
Radius
Qualifier
Component.I
Index
1
ParameterKey
r
Units
km
Element
Name
Theta
Qualifier
Component.J
Index
2
ParameterKey
theta
Units
degrees
Element
Name
Phi
Qualifier
Component.K
Index
3
ParameterKey
Phi
Units
degrees
Support
SupportQuantity
Positional
Parameter #3
Name
SAC-C CSC Magnetic Field Vector in CSC coordinates
ParameterKey
Magnetic Field Vectors
Description

Magnetic field vector for SAC-C in CSC coordinate system in units of nT.

Cadence
PT1S
Units
nT
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SC
Structure
Size
3
Element
Name
B1
Qualifier
Component.I
Index
1
ParameterKey
B1
Element
Name
B2
Qualifier
Component.J
Index
2
ParameterKey
B2
Element
Name
B3
Qualifier
Component.K
Index
3
ParameterKey
B3
Field
Qualifier
Vector
FieldQuantity
Magnetic
Parameter #4
Name
J2000 to Stella compass quaternion
ParameterKey
J2000 2 SIM
Description

A quaternion describing the rotation from j2000 star coordinate system to the Italian Star Tracker system.

Cadence
PT1S
Units
unitless
Structure
Size
4
Element
Name
Q1
Qualifier
Tensor
Index
1
Element
Name
Q2
Qualifier
Tensor
Index
2
Element
Name
Q3
Qualifier
Tensor
Index
3
Element
Name
Q4
Qualifier
Tensor
Index
4
Support
SupportQuantity
Other
Parameter #5
Name
Earth Centered, Earth Fixed to J2000 quaternion
ParameterKey
ECEF 2 J2000
Description

A quaternion describing the rotation from ECEF (Earth Centered, Earth Fixed) coordinate system (Note: not the local system) to the j2000 star coordinate system.

Cadence
PT1S
Units
unitless
Structure
Size
4
Element
Name
Q1
Qualifier
Tensor
Index
1
Element
Name
Q2
Qualifier
Tensor
Index
2
Element
Name
Q3
Qualifier
Tensor
Index
3
Element
Name
Q4
Qualifier
Tensor
Index
4
Support
SupportQuantity
Other