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Helios 2 40.5-sec Combined Magnetic Field and Plasma Data

ResourceID
spase://NASA/NumericalData/Helios2/E3/PT40.5S

Description

Helios 2 40-second merged magnetic field and plasma data

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Details

Version:2.7.2

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:2.7.2

NumericalData

ResourceID
spase://NASA/NumericalData/Helios2/E3/PT40.5S
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Helios 2 40.5-sec Combined Magnetic Field and Plasma Data
ReleaseDate
2026-10-23 12:51:11Z
RevisionHistory
RevisionEvent
ReleaseDate
2021-04-27 15:38:11Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-12-04 13:29:20Z
Note
Added MetadataRightsList and RightsList(s). Added ResourceType and NamingAuthority. Updated to 2.7.1. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. ZCB
RevisionEvent
ReleaseDate
2026-07-21 12:05:03Z
Note
Added HelioData InformationURL. JWL
RevisionEvent
ReleaseDate
2026-10-23 12:51:11Z
Note
Added HelioCloud S3 AccessURL. Updated to 2.7.2. ZCB
Description

Helios 2 40-second merged magnetic field and plasma data

Contacts
Role Person StartDate StopDate Note
1. DataProducer spase://SMWG/Person/Adam.Szabo
InformationURL
Name
HelioData
URL
https://helio.data.nasa.gov/dataset/Helios2_E3_PT40.5S
Description

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

PriorIDs
spase://VSPO/NumericalData/P_SPASE_HELIOS2_HDR_VHO_40SMERGED
spase://VSPO/NumericalData/Helios2/E3/PT40.5S
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/helios/helios2/merged/he2_40sec/
Description

FTP path at SPDF/NSSDC

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/helios/helios2/merged/he2_40sec/
Description

FTP path at SPDF/NSSDC

AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=HELIOS2_40SEC_MAG-PLASMA&index=sp_phys
ProductKey
HELIOS2_40SEC_MAG-PLASMA
Description

Helios 2 40.5-sec Combined Magnetic Field and Plasma Data in SPDF repository

Format
CDF
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
CDAWeb HAPI Server
URL
https://cdaweb.gsfc.nasa.gov/hapi
Style
HAPI
ProductKey
HELIOS2_40SEC_MAG-PLASMA
Description

Web Service to this product using the HAPI interface.

Format
CSV
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
HelioCloud Catalog Endpoint
URL
https://api.heliocloud.org/cloudcatalog?id=HELIOS2_40SEC_MAG-PLASMA
Style
Overview
ProductKey
HELIOS2_40SEC_MAG-PLASMA
Description

Endpoint to access the data from HelioCloud. Data is split into one CSV file per year.

Format
CSV
Encoding
S3_BUCKET
ProviderProcessingLevel
Calibrated
InstrumentIDs
spase://SMWG/Instrument/Helios2/E3
spase://SMWG/Instrument/Helios2/E1
MeasurementType
MagneticField
MeasurementType
ThermalPlasma
TemporalDescription
TimeSpan
StartDate
1976-01-17 00:00:00Z
StopDate
1980-03-08 00:00:00Z
Cadence
PT40S
ObservedRegion
Heliosphere
ObservedRegion
Heliosphere.Inner