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Data Access

IMP 4 SPME Energetic Particle Count Rates

Krimigis, Stamatios M. (2025). IMP 4 SPME Energetic Particle Count Rates [Data set]. Space Physics Data Facility. https://doi.org/10.48322/ktgg-0d14 .

Note: Proper references, including those in BibTex or other formats , should include the "Accessed on date" as shown above to identify the version of the resource being cited in a given publication.

ResourceID
spase://NASA/NumericalData/IMP4/SPME/PT1H

Description

IMP 4 SPME hourly >10, >30, >60 MeV proton count rates and 1-10 MeV proton and alpha particle rates, in ASCII via ftp

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Details

Version:2.7.1

MetadataRightsList

Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions

Version:2.7.1

NumericalData

ResourceID
spase://NASA/NumericalData/IMP4/SPME/PT1H
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
IMP 4 SPME Energetic Particle Count Rates
DOI
https://doi.org/10.48322/ktgg-0d14
ReleaseDate
2026-07-21 12:05:21Z
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 21:14:38Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:02:24Z
Note
Added PublicationInfo. Added ResourceType and NamingAuthority. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:29:33Z
Note
Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB
RevisionEvent
ReleaseDate
2026-06-26 13:17:52Z
Note
Add 'Z' to TemporalDescription:TimeSpan:StartDate, TemporalDescription:TimeSpan:StopDate. ZCB
RevisionEvent
ReleaseDate
2026-07-21 12:05:21Z
Note
Added HelioData InformationURL. JWL
Description

IMP 4 SPME hourly >10, >30, >60 MeV proton count rates and 1-10 MeV proton and alpha particle rates, in ASCII via ftp

PublicationInfo
Authors
Krimigis, Stamatios M.
PublicationDate
2025-11-14 16:02:24Z
PublishedBy
Space Physics Data Facility
Contacts
Role Person StartDate StopDate Note
1. CoInvestigator spase://SMWG/Person/Stamatios.M.Krimigis
InformationURL
Name
HelioData
URL
https://helio.data.nasa.gov/dataset/IMP4_SPME_PT1H
Description

The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more.

PriorIDs
spase://VSPO/NumericalData/P_IMP4_HDR_SPME
spase://VSPO/NumericalData/IMP4/SPME/PT1H
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/imp/imp4/particles_apl/
AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/imp/imp4/particles_apl/
Description

In CDF via HTTP from SPDF

Format
Text
ProviderProcessingLevel
CALIBRATED
InstrumentIDs
spase://SMWG/Instrument/IMP4/SPME
MeasurementType
EnergeticParticles
TemporalDescription
TimeSpan
StartDate
1967-05-30 00:00:00Z
StopDate
1969-05-03 00:00:00Z
Cadence
PT1H
ObservedRegion
Heliosphere.NearEarth