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Geotail KP Magnetic Field Data (64s)

ResourceID
spase://JAXA/NumericalData/Geotail/MGF/PT64S

Description
This data set contains the investigator-selected Key Parameters from the Magnetic Field instrument (MGF) on Geotail, as made available via NSSDC's interactive WWW interface CDAWeb. Selected references: Kokubun, S., et al., Magnetic field measurement (MGF), In Geotail Prelaunch Report, SES-TD-92-007SY, Institute of Space and Astronautical Science, SES Data Center, pp. 58-70, Apr. 1992. Nishida, A., et al., Geotail mission to explore earth's magnetotail, EOS, 73, No. 40, Oct. 1992. Kokubun, S., et al., The GEOTAIL Magnetic Field Experiment, J. Geomag. Geoelectr., 46, No. 1, 7-21, 1994.

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Details

Version:2.3.0

NumericalData

ResourceID
spase://JAXA/NumericalData/Geotail/MGF/PT64S
ResourceHeader
ResourceName
Geotail KP Magnetic Field Data (64s)
ReleaseDate
2021-04-27 17:52:35Z
Description
This data set contains the investigator-selected Key Parameters from the Magnetic Field instrument (MGF) on Geotail, as made available via NSSDC's interactive WWW interface CDAWeb. Selected references: Kokubun, S., et al., Magnetic field measurement (MGF), In Geotail Prelaunch Report, SES-TD-92-007SY, Institute of Space and Astronautical Science, SES Data Center, pp. 58-70, Apr. 1992. Nishida, A., et al., Geotail mission to explore earth's magnetotail, EOS, 73, No. 40, Oct. 1992. Kokubun, S., et al., The GEOTAIL Magnetic Field Experiment, J. Geomag. Geoelectr., 46, No. 1, 7-21, 1994.
Acknowledgement
Data were provided by T. Nagai at Institute of Space and Astronautical Science, JAXA in Japan.
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Tsugunobu.Nagai
2. Scientist spase://SMWG/Person/Donald.H.Fairfield
3. MetadataContact spase://SMWG/Person/Jan.Merka

InformationURL
Name
The Geotail Magnetic Field Experiment (MGF)
URL
https://www.darts.isas.ac.jp/stp/geotail/jgg_mgf.pdf
Description
Reprint of Kokubun, S., T. Yamamoto, M. H. Acuna, K. Hayashi, K. Shiokawa, and H. Kawano, The Geotail Magnetic Field Experiment, J. Geomag. Geoelectr., 46, 7-21, 1994.
InformationURL
Name
Key Parameters GE_K0_MGF from the Geotail Magnetic Field Instrument (MGF) in CDF
URL
https://nssdc.gsfc.nasa.gov/nmc/dataset/display.action?id=SPHE-00568
PriorIDs
spase://VMO/NumericalData/Geotail/MGF/PT64S
spase://VSPO/NumericalData/Geotail/MGF/PT64S
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/geotail/mgf/mgf_k0/
AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/geotail/mgf/mgf_k0/
Description
In CDF via HTTP from SPDF
AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=GE_K0_MGF&index=sp_phys
ProductKey
GE_K0_MGF
Format
CDF
Encoding
None
AccessDirectoryTemplate
https://cdaweb.gsfc.nasa.gov/pub/data/geotail/mgf/mgf_k0/$Y
AccessFilenameTemplate
ge_k0_mgf_$Y$m$d_$v.cdf
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/GE_K0_MGF/clientLibraryExample/
Style
WebService
ProductKey
GE_K0_MGF
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
https://cdaweb.gsfc.nasa.gov/hapi
Style
HAPI
ProductKey
GE_K0_MGF
Description
Web Service to this product using the HAPI interface.
Format
CSV
InstrumentIDs
spase://SMWG/Instrument/Geotail/MGF
MeasurementType
MagneticField
TemporalDescription
TimeSpan
StartDate
1992-09-04 19:14:06
RelativeStopDate
-P0D
Cadence
PT64S
ObservedRegion
Heliosphere.NearEarth
ObservedRegion
Earth.Magnetosheath
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.Magnetosphere.Magnetotail
Caveats
Switched from outer magnetometer to inner in January 2007. This data is computed with a preliminary algorithm and is not necessarily complete nor is it certified by the experimenters or considered publishable.
Parameter #1
Name
Time
ParameterKey
Epoch
Description
Time in miliseconds since CDF epoch
Units
ms
UnitsConversion
1e-3>s
ValidMin
01-Aug-1992 00:00:00.000
ValidMax
31-Dec-2000 23:59:59.000
FillValue
-1.0E31
Support
SupportQuantity
Temporal
Parameter #2
Name
Time
ParameterKey
Time_PB5
Description
Time as an array (year, day of year and elapsed milliseconds of day).
Structure
Size
3
Element
Name
Year
Index
1
Units
year
ValidMin
1992
ValidMax
2020
FillValue
-2147483648
Element
Name
Day of Year (jan 1 = day 1)
Index
2
Units
day
ValidMin
1
ValidMax
366
FillValue
-2147483648
Element
Name
Elapsed ms of day
Index
3
Units
ms
ValidMin
0
ValidMax
86399000
FillValue
-2147483648
Support
SupportQuantity
Temporal
Parameter #3
Name
Time of day
ParameterKey
MSEC
Description
Elapsed milliseconds of day
Units
ms
ValidMin
0
ValidMax
86400000
FillValue
-2147483648
Support
SupportQuantity
Temporal
Parameter #4
Name
Magnetic Field Intensity
ParameterKey
IB
Description
Observed magnetic field intensity
Units
0.1nT
UnitsConversion
1e-10>T
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Field
Qualifier
Average
Qualifier
Magnitude
FieldQuantity
Magnetic
Parameter #5
Name
Magnetic Field (GSE)
ParameterKey
IB_vector
Description
Observed magnetic field vector in GSE coordinates
Units
0.1nT
UnitsConversion
1e-10>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
3
Element
Name
Bx
Qualifier
Component.I
Index
1
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Element
Name
By
Qualifier
Component.J
Index
2
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Element
Name
Bz
Qualifier
Component.K
Index
3
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Field
Qualifier
Average
Qualifier
Vector
FieldQuantity
Magnetic
Parameter #6
Name
B RMS (sensor coord)
ParameterKey
IS_vector
Description
Standard deviation of sin fitting for magnetic field in sensor coordinates
Units
0.01nT
UnitsConversion
1e-11>T
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SC
Structure
Size
3
Element
Name
Bx-RMS
Qualifier
Component.I
Index
1
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Element
Name
By-RMS
Qualifier
Component.J
Index
2
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Element
Name
Bz-RMS
Qualifier
Component.K
Index
3
ValidMin
-32768
ValidMax
32767
FillValue
-32768
Field
Qualifier
StandardDeviation
Qualifier
Vector
FieldQuantity
Magnetic
Parameter #7
Name
MGF Range
ParameterKey
RANGE_STATUS
Description
Range status of the fluxgate magnetometer. * 0 = Not valid * 1 = +/- 16 nT * 2 = +/- 64 nT * 3 = +/- 256 nT * 4 = +/- 1024 nT * 5 = +/- 4096 nT * 6 = +/- 16384 nT * 7 = +/- 65536 nT
ValidMin
1
ValidMax
7
FillValue
-32768
Support
SupportQuantity
Other
Parameter #8
Name
Satellite Position (GSE)
ParameterKey
POS
Description
Satellite position vector in GSE coordinates
Units
km
UnitsConversion
1e3>m
Structure
Size
3
Element
Name
X-GSE
Qualifier
Component.I
Index
1
ValidMin
-1800000.0
ValidMax
1800000.0
FillValue
-1.0E31
Element
Name
Y-GSE
Qualifier
Component.J
Index
2
ValidMin
-1800000.0
ValidMax
1800000.0
FillValue
-1.0E31
Element
Name
Z-GSE
Qualifier
Component.K
Index
3
ValidMin
-1800000.0
ValidMax
1800000.0
FillValue
-1.0E31
Support
SupportQuantity
Positional
Parameter #9
Name
Data Quality Flag
ParameterKey
DQF
Description
Data quality flag: Good/Bad/Fill (0: good; 1,2,3: poor 4: fill value)
ValidMin
0
ValidMax
4
FillValue
-2147483648
Support
SupportQuantity
Other
Parameter #10
Name
Post Gap Flag
ParameterKey
Gap_Flag
Description
Post gap flag. * 0: no gap occurred; * 1: gap occurred because SIRIUS data were illegal or because the instrument was not in a mode that allowed KP's * 2: gap occurred because of the jump of MGF RANGE or MGF SENSE during 64 s
ValidMin
0
ValidMax
2
FillValue
-2147483648
Support
SupportQuantity
Other
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Last Updated: 2021-04-27