IMP 7 LANL 2-m plasma data

ResourceID

spase://VSPO/NumericalData/IMP7/LEPEDEA/PT120S

Description

IMP 7 LANL 2-min solar wind plasma parameter data, including temperature anisotropy and alpha/proton ratio

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Details

Version:2.2.9

NumericalData

ResourceID

spase://VSPO/NumericalData/IMP7/LEPEDEA/PT120S

ResourceHeader

ResourceName: IMP 7 LANL 2-m plasma data

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

Description

IMP 7 LANL 2-min solar wind plasma parameter data, including temperature anisotropy and alpha/proton ratio

Contacts

	Role	Person
1.	GeneralContact	spase://SMWG/Person/John.T.Gosling
2.	MetadataContact	spase://SMWG/Person/James.M.Weygand

PriorIDs

spase://VSPO/NumericalData/P_IMP7_HDR_LANL_2MIN

spase://VMO/NumericalData/IMP7/LANL/PT120S

AccessInformation

RepositoryID: spase://SMWG/Repository/NASA/GSFC/SPDF

Availability: Online

AccessRights: Open

AccessURL

Name: FTPBrowser

URL: https://omniweb.sci.gsfc.nasa.gov/ftpbrowser/imp7_lanl_2m.html

AccessURL

Name: FTP access to files at SPDF

URL: ftps://spdf.gsfc.nasa.gov/pub/data/imp/imp7/plasma_lanl/solarwind_2min/

AccessURL

Name: HTTP access to files at SPDF

URL: https://spdf.gsfc.nasa.gov/pub/data/imp/imp7/plasma_lanl/solarwind_2min/

Description

In CDF via HTTP from SPDF

Format: Text

Acknowledgement: National Aeronautics and Space Administration; National Space Science Data Center and Space Physics Data Facility, Dr John Gosling

ProcessingLevel: Calibrated

ProviderResourceName: Los Alamos National Laboratory IMP-7 Solar Plasma Electrostatic Analyzer data

ProviderProcessingLevel: Calibrated

InstrumentIDs

spase://SMWG/Instrument/IMP7/LEPEDEA

spase://SMWG/Instrument/IMP7/GOSLING

MeasurementType: ThermalPlasma

TemporalDescription

TimeSpan

StartDate: 1972-10-06 00:00:00

StopDate: 1978-09-30 00:00:00

Cadence: PT120S

ObservedRegion: Heliosphere.NearEarth

ObservedRegion: Earth.Magnetosphere

ObservedRegion: Earth.NearSurface

Parameter #1

Name: Spacecraft Identification

ParameterKey: Column_1

Description

String identifying the spacecraft. In this dataset it should be IMP7.

Cadence: PT120S

Support

SupportQuantity: Other

Parameter #2

Name: Universal Time

ParameterKey: Column_2 Column_3 Column_4

Description

The three universal time columns from left to right are: year month day (yymmdd), seconds of the day, and hour minute second (hhmmss).

Cadence: PT120S

Structure

Size: 3

Description

Universal Time expressed in two columns yymmdd and hhmms.

Element

Name: Year Month Day (yymmdd)

Index: 1

ParameterKey: Column_2

Element

Name: Seconds of the day

Index: 2

ParameterKey: Column_3

Units: seconds

Element

Name: Hour Minute Second (hhmmss)

Index: 3

ParameterKey: Column_4

Support

SupportQuantity: Temporal

Parameter #3

Name: IMP7 Spacecraft Position Vector in Solar Ecliptic coordinates

ParameterKey: Column_5 Column_6 Column_7

Description

Location of the spacecraft in solar ecliptic coordinates in units of kilometers and degrees.

Cadence: PT120S

CoordinateSystem

CoordinateRepresentation: Spherical

CoordinateSystemName: SE

Structure

Size: 3

Element

Name: Radius

Qualifier: Component.I

Index: 1

ParameterKey: column_5

Units: km

Element

Name: SELat

Qualifier: Component.J

Index: 2

ParameterKey: column_6

Units: degrees

Element

Name: SELong

Qualifier: Component.K

Index: 3

ParameterKey: column_7

Units: degrees

Support

SupportQuantity: Positional

Parameter #4

Name: IMP7 Density

ParameterKey: Column_8

Description

IMP7 density values in units of #/cm^3.

Cadence: PT120S

Units: #/cm^3

Particle

ParticleType: Proton

Qualifier: Magnitude

ParticleQuantity: NumberDensity

Parameter #5

Name: IMP7 Flow Speed

ParameterKey: Column_9

Description

IMP7 speed values in units of km/s.

Cadence: PT120S

Units: km/s

Particle

ParticleType: Proton

Qualifier: Magnitude

ParticleQuantity: FlowSpeed

Parameter #6

Name: IMP7 Flow Azimuth

ParameterKey: Column_10

Description

IMP7 flow azimuth direction in units of degrees.

Cadence: PT120S

Units: degrees

Particle

ParticleType: Proton

Qualifier: Magnitude

ParticleQuantity: ArrivalDirection

Parameter #7

Name: Proton Parallel Temperature

ParameterKey: Column_11

Description

Proton temprature in the parallel direction in units of Kelvin.

Cadence: PT120S

Units: K

Particle

ParticleType: Proton

Qualifier: Parallel

ParticleQuantity: Temperature

Parameter #8

Name: Proton Perpendicular Temperature

ParameterKey: Column_12

Description

Proton temprature in the perpendicular direction in units of Kelvin.

Cadence: PT120S

Units: K

Particle

ParticleType: Proton

Qualifier: Perpendicular

ParticleQuantity: Temperature

Parameter #9

Name: Pressure Tensor Symmetry Axis, AZ

ParameterKey: Column_13

Description

Pressure tensor symmetry axis in units of degrees.

Cadence: PT120S

Units: degrees

Particle

ParticleType: Proton

Qualifier: DirectionAngle

ParticleQuantity: Pressure

Parameter #10

Name: Alpha proton ratio

ParameterKey: Column_14

Description

Ratio of alphas to protons.

Cadence: PT120S

Particle

ParticleType: AlphaParticle

ParticleType: Proton

Qualifier: Ratio

ParticleQuantity: NumberDensity

Parameter #11

Name: Flow Speed AP

ParameterKey: Column_15

Description

Relative flow speed of alphas to protons in units of km/s.

Cadence: PT120S

Units: km/s

Particle

ParticleType: AlphaParticle

ParticleType: Proton

Qualifier: Magnitude

ParticleQuantity: FlowSpeed

Parameter #12

Name: Flow Azimuth AP

ParameterKey: Column_16

Description

Relative Flow Angle of alphas to protons in units of degrees.

Cadence: PT120S

Units: degrees

Particle

ParticleType: AlphaParticle

ParticleType: Proton

Qualifier: Magnitude

ParticleQuantity: ArrivalDirection

Parameter #13

Name: Alpha proton temperature ratio

ParameterKey: Column_17

Description

Ratio of the temperature of the alphas to the temperature of the protons.

Cadence: PT120S

Particle

ParticleType: AlphaParticle

ParticleType: Proton

Qualifier: Ratio

ParticleQuantity: Temperature

Parameter #14

Name: Alpha Temperature Anisotropy

ParameterKey: Column_18

Description

Alpha temperature anisotropy of perpendicular temperature to parallel temperature.

Cadence: PT120S

Particle

ParticleType: AlphaParticle

Qualifier: Anisotropy

ParticleQuantity: Temperature

Parameter #15

Name: Alpha Pressure Tensor Symmetry Axis, AZ

ParameterKey: Column_19

Description

Alpha pressure tensor symmetry axis in units of degrees.

Cadence: PT120S

Units: degrees

Particle

ParticleType: AlphaParticle

Qualifier: DirectionAngle

ParticleQuantity: Pressure