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ISEE 3 Isotopic Abundance Ratios

ResourceID
spase://NASA/NumericalData/ISEE3/IsotAbun

Description
This data product consists of a single ASCII file containing values and their uncertainties for 32 abundance ratios of various pairs of isotopes of 13 chemical elements (C, O, Ne, Mg, Al, Si, Ti, V, Cr, Mn, Fe, Co, Ni). Between this data product and a companion catalog with isotopic fractions, isotopic composition information is given for 21 chemical elements. The ratios are based on 1978-1981 observations of ~50-500 MeV/n cosmic rays by the U. Chicago cosmic ray experiment on ISEE 3. Each of the ratios is linked in the ASCII file to the publication where its derivation is discussed.

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Details

Version:2.2.9

NumericalData

ResourceID
spase://NASA/NumericalData/ISEE3/IsotAbun
ResourceHeader
ResourceName
ISEE 3 Isotopic Abundance Ratios
ReleaseDate
2021-03-11 18:39:11Z
Description
This data product consists of a single ASCII file containing values and their uncertainties for 32 abundance ratios of various pairs of isotopes of 13 chemical elements (C, O, Ne, Mg, Al, Si, Ti, V, Cr, Mn, Fe, Co, Ni). Between this data product and a companion catalog with isotopic fractions, isotopic composition information is given for 21 chemical elements. The ratios are based on 1978-1981 observations of ~50-500 MeV/n cosmic rays by the U. Chicago cosmic ray experiment on ISEE 3. Each of the ratios is linked in the ASCII file to the publication where its derivation is discussed.
Acknowledgement
Please acknowledge the author(s) of the relevant publication(s) as mentioned above, and acknowledge Mark Wiedenbeck, the ISEE 3 instrument Principal Investigator.
Contacts
Role Person StartDate StopDate Note
1. PrincipalInvestigator spase://SMWG/Person/Mark.E.Wiedenbeck
InformationURL
Name
subdirectory holding ISEE 3 cosmic ray data
URL
https://spdf.gsfc.nasa.gov/pub/data/isee/isee3/energetic_particles_cr/cr_composition/
PriorIDs
spase://VEPO/NumericalData/ISEE3/IsotAbun
spase://VSPO/NumericalData/ISEE3/IsotAbun
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/isee/isee3/energetic_particles_cr/cr_composition/table3.txt
AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/isee/isee3/energetic_particles_cr/cr_composition/table3.txt
Description
In CDF via HTTP from SPDF
Format
Text
DataExtent
Quantity
3
Units
KB
Acknowledgement
Please acknowledge the author(s) of the relevant publication(s) as mentioned above, and acknowledge Mark Wiedenbeck, the ISEE 3 instrument Principal Investigator.
InstrumentIDs
spase://SMWG/Instrument/ISEE3/HECR
MeasurementType
EnergeticParticles
MeasurementType
IonComposition
TemporalDescription
TimeSpan
StartDate
1978-08-18 00:00:00
StopDate
1981-04-30 00:00:00
Note
This is span of data used in deriving 32-month averaged ratios
Cadence
P32M
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Last Updated: 2021-03-11