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: 2019-08-05 15:03:35Z

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
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: http://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: FTP access to files at SPDF

URL: ftps://spdf.gsfc.nasa.gov/pub/data/geotail/mgf/mgf_k0/

AccessURL

Name: HTTP access to files at 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.sci.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=GE_K0_MGF&index=sp_phys

ProductKey: GE_K0_MGF

Format: CDF

Encoding: None

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