Table · dataset · 2026
IMP 8 Cosmic Ray Nuclear Composition (CRNC) 15-min PHA and coincidence mode counts
Listed in NASA Data Portal
Description
This 15-min-resolution data set consists of 5 count rates from the Low Energy Telescope, 8 count rates for the main telescope (MT), 4 counts of pulse height analyzed events in each of 4 MT coincidence modes, and 27 box counts corresponding to specific species and energy ranges associated with 3 of the MT coincidence modes. Actually the 13 referenced "count rates" are given as paired counts and accumulation times. Associated documentation suggests algorithms for computation of count rates and fluxes from the MT data given, for electrons in 3 energy bands (0.7-2.0, 2.0-12, 12-50 MeV), protons in 9 bands (11.24-20.00 MeV to 74.50-94.78 MeV), helium nuclei in 10 bands (10.90-12.89 MeV per n to 84.32-94.81 MeV per n), and CNO nuclei in 1 band (25 - 250 Mev per n).
There are no azimuthally sectored data in this data set. The data are accessible via ftp and, with higher functionality, via FTPBrowser.
Links
Get the data
- Resource omniweb.gsfc.nasa.gov/ftpbrowser/chicago.html ↗
download · from data nasa gov
- Resource spdf.gsfc.nasa.gov/pub/data/imp/imp8/particles_uchi/15min_asci ↗
download · from data nasa gov
- Resource spdf.gsfc.nasa.gov/pub/data/imp/imp8/particles_uchi/15min_asci ↗
download · from data nasa gov
- Resource spdf.gsfc.nasa.gov/pub/data/imp/imp8/particles_uchi/15min_asci/voldesc.sfd ↗
download · from data nasa gov
- Resource helio.data.nasa.gov/dataset/IMP8_CRNC_PT15M ↗
download · from data nasa gov
- Resource hpde.io/NASA/NumericalData/IMP8/CRNC/PT15M ↗
download · from data nasa gov
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/imp-8-cosmic-ray-nuclear-composition-crnc-15-min-pha-a… ↗
landing page · from data nasa gov
Catalogue records · 1
- CKAN API data.nasa.gov/api/3/action/package_show?id=9ccbed03-7c13-442a-b9f1-ff2c14363… ↗
metadata API · from data nasa gov
Topics
- From keywords
- Astronomy & Astrophysics · Earth & Environmental Science · Ocean & Atmospheric Science · Physics
- Inferred from text
- Space sciences 70%
Provenance · 1 source records, 11 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Data Portal | 9ccbed03-7c13-442a-b9f1-ff2c14363eb3 | 7 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].anzsrc:group:5109 | enrichment · data nasa gov | taxonomy-embedding@1.0.0 | title+keywords+description (70%) |
| concepts[field].local:field:astronomy | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:physics | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| created_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| description | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /notes |
| license_text | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| publication_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| title | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /title |
| updated_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 |