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Voyager 2 LECP Cosmic Ray Proton Rates in ASCII Format 26-day

Krimigis, Stamatios M.; Decker, Robert B. (2025). Voyager 2 LECP Cosmic Ray Proton Rates in ASCII Format 26-day [Data set]. Johns Hopkins University Applied Physics Laboratory; Space Physics Data Facility. https://doi.org/10.48322/dpnx-fp45 .

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/Voyager2/LECP/Flux/Cosmic-Ray/P26D

Description

Count Rates, Averaged Over All Sectors, Voyager2, LECP, Filtered, Channel, Calibrated, CadenceP26D

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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/Voyager2/LECP/Flux/Cosmic-Ray/P26D
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
Voyager 2 LECP Cosmic Ray Proton Rates in ASCII Format 26-day
AlternateName
v2-LECP-COSMICRATES-P26D
DOI
https://doi.org/10.48322/dpnx-fp45
ReleaseDate
2026-07-21 12:08:53Z
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 21:15:57Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:03:01Z
Note
Added PublicationInfo. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:32:33Z
Note
Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB
RevisionEvent
ReleaseDate
2026-02-17 18:47:54Z
Note
Added DOI. TLK
RevisionEvent
ReleaseDate
2026-06-26 13:31:12Z
Note
Add 'Z' to TemporalDescription:TimeSpan:StopDate. ZCB
RevisionEvent
ReleaseDate
2026-07-21 12:08:53Z
Note
Added HelioData InformationURL. JWL
Description

Count Rates, Averaged Over All Sectors, Voyager2, LECP, Filtered, Channel, Calibrated, CadenceP26D

Acknowledgement
Please acknowledge the LECP PI (S.M. Krimigis) and the lead LECP CoI (R.B. Decker)
PublicationInfo
Authors
Krimigis, Stamatios M.; Decker, Robert B.
PublicationDate
2025-11-14 16:03:01Z
PublishedBy
Johns Hopkins University Applied Physics Laboratory; Space Physics Data Facility
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Stamatios.M.Krimigis
2. CoInvestigator spase://SMWG/Person/Robert.B.Decker
3. ArchiveSpecialist spase://SMWG/Person/Lawrence.Brown
InformationURL
Name
Informational Website for Voyager 1 and 2 LECP Instrument
URL
http://sd-www.jhuapl.edu/VOYAGER/vgr_data_files.html
Description

The webpage provides a detailed description of Cosmic Ray Proton Channel Intensity files.

InformationURL
Name
HelioData
URL
https://helio.data.nasa.gov/dataset/Voyager2_LECP_Flux_Cosmic-Ray_P26D
Description

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

PriorIDs
spase://VEPO/NumericalData/Voyager2/LECP/Flux.Cosmic.Ray.P26D
spase://VSPO/NumericalData/Voyager2/LECP/Flux/Cosmic-Ray/P26D
AccessInformation
RepositoryID
spase://SMWG/Repository/JHU_APL
Availability
Online
AccessRights
Open
AccessURL
Name
Voyager2 LECP Average Filtered Rate Data in ASCII Format
URL
http://sd-www.jhuapl.edu/VOYAGER/v2_data/v2_26d/
Description

Count Rates, All Sectors Averaged, Voyager2, LECP, Filtered, Channel CSV Text Files, File Name Template: http://sd-www.jhuapl.edu/VOYAGER/v2_data/v2_26d/v2_cosray_rate_26d.txt

Format
Text
Encoding
GZIP
Acknowledgement
S.M. Krimigis, JHU/APL
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/voyager/voyager2/particle/lecp/v2_cosray_rate_26day/v2_cosray_rate_26d.txt
Description

http access to single ASCII file

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/voyager/voyager2/particle/lecp/v2_cosray_rate_26day/v2_cosray_rate_26d.txt
Description

In CDF via HTTP from SPDF

Format
Text
Acknowledgement
S.M. Krimigis, JHU/APL, and the Space Physics Data Facility
InstrumentIDs
spase://SMWG/Instrument/Voyager2/LECP
MeasurementType
EnergeticParticles
TemporalDescription
TimeSpan
StartDate
1977-09-07 00:00:00.000Z
StopDate
2009-05-31 23:59:59.999Z
Cadence
P26D
ObservedRegion
Heliosphere.Outer
ObservedRegion
Heliosphere.Heliosheath
Parameter #1
Name
Start Time of Data Record
ParameterKey
StartTime
Description

Start Time for the record given in year, day of
year, hour.

Cadence
P26D
Structure
Size
3
Element
Name
Year
Index
1
ValidMin
1977
ValidMax
2008
Element
Name
Day of year
Index
2
ValidMin
1
ValidMax
366
Element
Name
Hour of day
Index
3
ValidMin
0
ValidMax
23
Support
SupportQuantity
Temporal
Parameter #2
Name
Start Time of Data Record (Decimal Year)
ParameterKey
DEC_YEAR
Description

decimal year (double precision) = year + (doy - 1 + hr/24)/dpy (dpy=365 or 366)

Cadence
P26D
Support
SupportQuantity
Temporal
Parameter #3
Name
Cosmic Ray Rate
ParameterKey
EB05_RATE
Description

Channel EB05 (Cosmic Ray Proton) Rate

Cadence
P26D
Units
counts/second
FillValue
-9.900E+01
Particle
ParticleType
Proton
ParticleQuantity
CountRate
Parameter #4
Name
Cosmic Ray Rate Uncertainty
ParameterKey
EB05_RATEU
Description

Channel EB05 (Cosmic Ray Proton) Rate

Cadence
P26D
Units
counts/second
FillValue
-9.900E+01
Support
SupportQuantity
Other