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Themis Probe D L2 DATA EFW

Angelopoulos, Vassilis; Bonnell, John, W.; Mozer, Forrest, S. (2026). Themis Probe D L2 DATA EFW [Dataset]. Space Physics Data Facility; University of California, Berkeley. https://doi.org/10.48322/b4d9-pg86 .

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/THEMIS/D/EFI/PT0.000122S

Description

THEMIS-D: Electric Field Instrument Wave Burst Mode (EFW) Electric field measurements. The L2 product is the cleaned 3D E-field with 1/16384 second time resolution.

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Details

Version:2.7.2

NumericalData

ResourceID
spase://NASA/NumericalData/THEMIS/D/EFI/PT0.000122S
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Themis Probe D L2 DATA EFW
AlternateName
thd_l2_efw
DOI
https://doi.org/10.48322/b4d9-pg86
ReleaseDate
2026-10-23 12:54:50Z
RevisionHistory
RevisionEvent
ReleaseDate
2026-05-29 11:01:54.654Z
Note
Only known prior ReleaseDate of the metadata, SAB
RevisionEvent
ReleaseDate
2026-09-21 18:41:48Z
Note
Modified file for NumericalData, AWB
RevisionEvent
ReleaseDate
2026-10-22 23:41:34Z
Note
Added DOI. tlk
RevisionEvent
ReleaseDate
2026-10-23 12:54:50Z
Note
Added HelioCloud S3 AccessURL. ZCB
Description

THEMIS-D: Electric Field Instrument Wave Burst Mode (EFW) Electric field measurements. The L2 product is the cleaned 3D E-field with 1/16384 second time resolution.

Acknowledgement
J.W. Bonnell
PublicationInfo
Authors
Angelopoulos, Vassilis; Bonnell, John, W.; Mozer, Forrest, S.
PublicationDate
2026-09-21 16:20:24Z
PublishedBy
Space Physics Data Facility; University of California, Berkeley
Contacts
Role Person StartDate StopDate Note
1. InstrumentLead
CoInvestigator 		spase://SMWG/Person/John.W.Bonnell
2. PrincipalInvestigator spase://SMWG/Person/Vassilis.Angelopoulos
3. MetadataContact spase://SMWG/Person/Lan.Jian
4. MetadataContact spase://SMWG/Person/Aaron.W.Breneman
InformationURL
Name
THEMIS spacecraft homepage
URL
https://themis.ssl.berkeley.edu
Description

THEMIS spacecraft homepage hosted by the University of California, Berkeley

InformationURL
Name
The Electric Field Instrument (EFI) for THEMIS
URL
https://doi.org/10.1007/s11214-008-9469-2
Description

Instrument Paper

AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb
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
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/themis/thd/l2/efi/
Description

In CDF via http from SPDF.

AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=THD_L2_EFI&index=sp_phys
ProductKey
THD_L2_EFI
Description

Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb

Format
CDF
Encoding
None
Acknowledgement
Please acknowledge J. W. Bonnell (University of California, Berkeley). Please acknowledge the data providers and CDAWeb when using these data.
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=THD_L2_EFI
Style
Overview
ProductKey
THD_L2_EFI
Description

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

Format
CSV
Encoding
S3_BUCKET
Acknowledgement
Please acknowledge J. W. Bonnell (University of California, Berkeley). Please acknowledge the data providers and CDAWeb when using these data.
InstrumentIDs
spase://SMWG/Instrument/THEMIS/D/EFI
MeasurementType
ElectricField
ObservedRegion
Earth.Magnetosphere