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Helios 1 E1 (Rosenbauer) Hourly Plasma Data

(2025). Helios 1 E1 (Rosenbauer) Hourly Plasma Data [Data set]. Space Physics Data Facility.

ResourceID
spase://NASA/NumericalData/Helios1/E1/PT1H

Description

These hourly averaged solar wind plasma data from the E1 Plasma Detectors (Rosenbauer) onboard the Helios 1 spacecraft include time, earth-sun-Helios angle, sun-Helios distance (AU), Carrington longitude of Helios, solar-ecliptic latitude, Carrington rotation number, proton bulk speed, temperature, number density, flow angles of ecliptic elevation and azimuth, standard deviations of the plasma parameters, and the number of data points in the hourly averages.

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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/Helios1/E1/PT1H
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Helios 1 E1 (Rosenbauer) Hourly Plasma Data
ReleaseDate
2025-12-04 13:29:19Z
RevisionHistory
RevisionEvent
ReleaseDate
2021-03-11 18:39:11Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:02:21Z
Note
Added PublicationInfo. Added ResourceType and NamingAuthority. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:29:19Z
Note
Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB
Description

These hourly averaged solar wind plasma data from the E1 Plasma Detectors (Rosenbauer) onboard the Helios 1 spacecraft include time, earth-sun-Helios angle, sun-Helios distance (AU), Carrington longitude of Helios, solar-ecliptic latitude, Carrington rotation number, proton bulk speed, temperature, number density, flow angles of ecliptic elevation and azimuth, standard deviations of the plasma parameters, and the number of data points in the hourly averages.

Acknowledgement
Please acknowledge Helmut Rosenbauer (P.I.) and NSSDC.
PublicationInfo
Authors
Rosenbauer, Helmut R.
PublicationDate
2025-11-14 16:02:21Z
PublishedBy
Space Physics Data Facility
Contacts
RolePersonStartDateStopDateNote
1.PrincipalInvestigatorspase://SMWG/Person/Helmut.R.Rosenbauer
InformationURL
Name
Readme file at SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/helios/helios1/plasma/hour/he1plahr_fmt.txt
PriorIDs
spase://VSPO/NumericalData/P_HELIOS1_HDR_E1_PLASMA_1HR
spase://VSPO/NumericalData/Helios1/E1/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/helios/helios1/plasma/hour/
Description

Via SPDF ftp

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/helios/helios1/plasma/hour/
Description

In CDF via HTTP from SPDF

Format
Text
InstrumentIDs
spase://SMWG/Instrument/Helios1/E1
MeasurementType
ThermalPlasma
TemporalDescription
TimeSpan
StartDate
1974-12-12 00:00:00
StopDate
1984-12-29 00:00:00
Cadence
PT1H
ObservedRegion
Heliosphere.Inner