HPDE.io

Data Access

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.

View XML | View JSON | Edit

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
RolePersonStartDateStopDateNote
1.PrincipalInvestigatorspase://SMWG/Person/Tsugunobu.Nagai
2.Scientistspase://SMWG/Person/Donald.H.Fairfield
3.MetadataContactspase://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
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