Data provenance and credits
Every sourced number in Hygieia links here. The app never goes online at run time:npm run fetch-data writes the snapshots below, and the app reads only those files.
Credits: NASA/CCMC DONKI · NOAA SWPC · NASA OSDR · ESA HREDA · CSA · MSL RAD (NASA/JPL-Caltech/SwRI) · Chang'E 4 LND.
| File | Fetched (UTC) | Credit | Licence | Source |
|---|---|---|---|---|
| data/snapshots/donki.json112 kB | 2026-11-14 15:18 | NASA/CCMC DONKI | NASA open data; credit NASA/CCMC DONKI. | open ↗ |
| data/snapshots/goes_protons.json11 kB | 2026-11-14 15:18 | NOAA SWPC | U.S. public domain (NOAA Space Weather Prediction Center). | open ↗ |
| data/snapshots/kp_index.json4 kB | 2026-11-15 07:57 | NOAA SWPC | U.S. public domain (NOAA Space Weather Prediction Center). | open ↗ |
| data/snapshots/light_time.json14 kB | 2026-11-15 07:57 | NASA/JPL Horizons | NASA/JPL Solar System Dynamics; public ephemeris service. | open ↗ |
| data/snapshots/osdr_studies.json12 kB | 2026-11-14 15:20 | NASA Open Science Data Repository (OSDR) | NASA open data. Metadata only; no raw omics are downloaded. | open ↗ |
| data/snapshots/power_heat.json5 kB | 2026-11-15 07:57 | NASA POWER (NASA Langley Research Center) | NASA open data; credit the NASA Langley Research Center POWER Project. | open ↗ |
NASA / CCMC · #nasa-donki
Used forReal solar energetic particle events (SEP) and solar flares (FLR) from the last 365 days, replayed on the mission clock. Snapshot: data/snapshots/donki.json.
CreditNASA/CCMC DONKI.
ccmc.gsfc.nasa.gov/tools/DONKI/ ↗Snapshot fetched 2026-11-14 15:18 UTC
NOAA SWPC · #noaa-swpc-protons
10 pfu at ≥10 MeV (S1 threshold)
Used forCurrent S-level on the Space Weather panel. NOAA S-scale: S1 = 10, S2 = 100, S3 = 1 000, S4 = 10 000, S5 = 100 000 pfu of ≥10 MeV protons. Snapshot: data/snapshots/goes_protons.json.
CreditNOAA SWPC (U.S. public domain).
services.swpc.noaa.gov/json/goes/primary/integral-protons-7-day.json ↗Snapshot fetched 2026-11-14 15:18 UTC
NASA · #nasa-osdr-biodata
Used forStudy metadata (title, OSD id, organism) for the "Evidence in NASA OSDR" links in the knowledge base. Metadata only, no raw omics. Snapshot: data/snapshots/osdr_studies.json.
CreditNASA Open Science Data Repository (OSDR).
visualization.osdr.nasa.gov/biodata/api/ ↗Snapshot fetched 2026-11-14 15:20 UTC
NASA/JPL · #light-time-mars
22 min one way
Used forTransit and Mars profiles: maximum one-way communication delay. The value is the maximum of the real Earth-Mars light time over one full cycle, computed by JPL Horizons (snapshot: data/snapshots/light_time.json) and rounded down to whole minutes. The demo compresses it to 20 seconds.
CreditNASA/JPL Horizons.
ssd.jpl.nasa.gov/horizons/ ↗Linked reference, not fetched
NASA/JPL · #light-time-moon
1.3 s one way
Used forLunar base profile: one-way communication delay, the mean Earth-Moon light time from JPL Horizons (snapshot: data/snapshots/light_time.json).
CreditNASA/JPL Horizons.
ssd.jpl.nasa.gov/horizons/ ↗Linked reference, not fetched
NASA/JPL · #jpl-horizons
Used forReal Earth-Mars and Earth-Moon distance and one-way light time for each mission day: the link-delay card and the Houston console show the real delay for today. Snapshot: data/snapshots/light_time.json.
CreditNASA/JPL Horizons (Solar System Dynamics Group).
ssd.jpl.nasa.gov/horizons/ ↗Snapshot fetched 2026-11-15 07:57 UTC
NOAA SWPC · #noaa-swpc-kp
5 Kp (G1 threshold)
Used forGeomagnetic activity on the Space Weather page. NOAA G-scale: G1 starts at Kp 5. Relevant in low Earth orbit (Station profile). Snapshot: data/snapshots/kp_index.json.
CreditNOAA SWPC (U.S. public domain).
services.swpc.noaa.gov/products/noaa-planetary-k-index.json ↗Snapshot fetched 2026-11-15 07:57 UTC
NASA LaRC · #nasa-power
Used forEarth mode (Remote clinic profile): daily maximum air temperature and relative humidity at the demo clinic site, turned into an outdoor heat index. Snapshot: data/snapshots/power_heat.json.
CreditNASA Langley Research Center POWER Project.
power.larc.nasa.gov/ ↗Snapshot fetched 2026-11-15 07:57 UTC
NASA / SwRI · #msl-rad-cruise
1.8 mSv/day
Used forTransit profile: mean daily dose equivalent inside a spacecraft on the way to Mars (the paper reports 1.84 ± 0.33 mSv/day).
CreditZeitlin et al., Science 340, 1080 (2013). MSL RAD: NASA/JPL-Caltech/SwRI.
doi.org/10.1126/science.1235989 ↗Linked reference, not fetched
NASA / SwRI · #msl-rad-surface
0.67 mSv/day
Used forMars surface profile: mean daily dose equivalent in Gale Crater over the first ~300 days (the SwRI/NASA release quotes 0.67 mSv/day; the paper gives 0.64 ± 0.12).
CreditHassler et al., Science 343, 1244797 (2014). MSL RAD: NASA/JPL-Caltech/SwRI.
doi.org/10.1126/science.1244797 ↗Linked reference, not fetched
CNSA / Kiel University / DLR · #change4-lnd
1.369 mSv/day
Used forLunar base profile: daily dose equivalent on the lunar surface (1369 µSv/day), about 2.6 times the dose inside the ISS.
CreditZhang et al., Science Advances 6, eaaz1334 (2020). Chang'E 4 Lunar Lander Neutrons and Dosimetry (LND).
doi.org/10.1126/sciadv.aaz1334 ↗Linked reference, not fetched
ESA / DLR · #esa-dosis-3d
0.575 mSv/day
Used forStation profile: daily dose equivalent in low Earth orbit. 0.575 mSv/day is a demo midpoint between two published anchors: this paper reports up to 0.647 mSv/day in Columbus (end of May 2016), and the Chang'E 4 paper puts the lunar rate at about 2.6 times the ISS rate (about 0.53 mSv/day).
CreditBerger et al., J. Space Weather Space Clim. 7, A8 (2017). ESA DOSIS / DOSIS 3D, DLR.
doi.org/10.1051/swsc/2017005 ↗Linked reference, not fetched
UNSCEAR · #unscear-background
0.0066 mSv/day (2.4 mSv/year)
Used forEarth mode (Remote clinic profile): the dose rate, the world-average natural background of 2.4 mSv per year (0.0066 mSv/day), for comparison with the space profiles.
CreditUnited Nations Scientific Committee on the Effects of Atomic Radiation, 2008 report.
www.unscear.org/unscear/en/publications/2008_1.html ↗Linked reference, not fetched
WHO · #who-activity
150 min/week
Used forEarth mode (Remote clinic profile): the activity target. WHO advises adults to do at least 150 minutes of moderate-intensity activity a week; Hygieia reads that as 30 minutes a day.
CreditWorld Health Organization, 2020.
www.who.int/publications/i/item/9789240015128 ↗Linked reference, not fetched
ESA · #esa-hreda-dosis
Used forLinked as the open archive record of the DOSIS experiment in Columbus. Not downloaded by the demo.
CreditESA Human and Robotic Exploration Data Archive (HREDA).
doi.org/10.57780/esa-r0cv51c ↗Linked reference, not fetched
ESA · #esa-hreda
Used forReference archive for ESA human-spaceflight experiments. Linked only.
CreditESA HREDA.
hreda.esac.esa.int/ ↗Linked reference, not fetched
NASA · #nasa-osdr-radlab
Used forLinked as the place to explore real ISS dosimeter time series. Linked only: the demo does not download a series from it, so none is plotted.
CreditNASA OSDR RadLab.
visualization.osdr.nasa.gov/radlab/ ↗Linked reference, not fetched
NASA · #nasa-osdr-eda
Used forReal ISS cabin telemetry. Linked only: the demo does not download a series from it, so Hygieia's cabin samples are synthetic and labelled demo values.
CreditNASA OSDR EDA.
visualization.osdr.nasa.gov/eda/ ↗Linked reference, not fetched
JAXA · #jaxa-padles
Used forIndependent ISS area-dosimetry record a real system could cross-check the Station dose rate against. Linked only.
CreditJAXA.
humans-in-space.jaxa.jp/spacerad/EI000.html ↗Linked reference, not fetched
JAXA / ISAS · #jaxa-seda-ap
Used forRadiation and plasma data from outside the ISS (2009–2018); a candidate second source for the space-weather replay. Linked only.
CreditJAXA/ISAS DARTS.
darts.isas.jaxa.jp/stp/seda ↗Linked reference, not fetched
CSA · #csa-open-data
Used forA place to look for Canadian ISS dosimetry data. Nothing from it is used: the neutron share comes from the CSA article. Linked only.
CreditCanadian Space Agency, Open Government Licence - Canada.
donnees-data.asc-csa.gc.ca/ ↗Linked reference, not fetched
CSA · #csa-neutrons
30 % of total
Used forNeutron channel of the personal dosimeter: CSA states neutrons contribute about 30% of total radiation on the ISS. Hygieia applies the same share to dose in the other profiles as a demo value. The dosimeter is modelled on CSA's CANS instrument.
CreditCanadian Space Agency, 2026.
www.asc-csa.gc.ca/eng/news/articles/2026/2026-02-26-monitoring-radiati ↗Linked reference, not fetched
CSA · #csa-why-science
Used forBackground for the Earth-impact pitch (About page). Linked only.
CreditCanadian Space Agency.
www.asc-csa.gc.ca/eng/iss/science/why-do-we-conduct-science-experiment ↗Linked reference, not fetched
NOAA SWPC · #noaa-s-scale
Used forDefinition of the S1–S5 solar radiation storm levels.
CreditNOAA SWPC (U.S. public domain).
www.swpc.noaa.gov/noaa-scales-explanation ↗Linked reference, not fetched
NASA HRP · #nasa-hrp-hazards
5 hazards
Used forFramework for the feature map on the About page: space radiation, isolation and confinement, distance from Earth, gravity fields, hostile/closed environments.
CreditNASA Human Research Program.
www.nasa.gov/hrp/hazards/ ↗Linked reference, not fetched
NASA HRP · #nasa-hrp-risks
17 risks
Used forThe 17 risks listed on the About page and in the knowledge base. A caption on the page calls the eye syndrome now known as SANS (there under its older name, VIIP) NASA's leading spaceflight-related health risk.
CreditNASA Human Research Program.
www.nasa.gov/hrp/risks/ ↗Linked reference, not fetched
NASA HRP · #nasa-hrp-research
Used forModels for the simulated sensors and logs: ARCHeR (well-being, activity and sleep monitoring on Artemis II), Standard Measures (same core set for every astronaut), Zero T2 (exercise without a treadmill). Thigh Cuff and B-Complex are described only as studies under investigation.
CreditNASA Human Research Program.
www.nasa.gov/hrp/ongoing-hrp-research/ ↗Linked reference, not fetched
NASA · #nasa-exercise-countermeasure
2 h/day
Used forExercise prescription in microgravity profiles (120 min/day): NASA reports station crews exercise an average of two hours a day.
CreditNASA.
www.nasa.gov/missions/station/iss-research/counteracting-bone-and-musc ↗Linked reference, not fetched
NASA OCHMO · #nasa-std-3001-co2
3 mmHg (1-hour average)
Used forAmber line for cabin CO₂: NASA-STD-3001 limits the average one-hour CO₂ partial pressure to no more than 3 mmHg. The red line (6 mmHg) is a demo value.
CreditNASA Office of the Chief Health and Medical Officer.
www.nasa.gov/wp-content/uploads/2023/12/ochmo-tb-004-carbon-dioxide.pd ↗Linked reference, not fetched
DLR · #dlr-mare
Used forBeyond-low-Earth-orbit dose measurements with body phantoms; motivates Hygieia's per-crew dose tracking. Linked only.
CreditDLR.
www.dlr.de/en/research-and-transfer/featured-topics/mission-moon/artem ↗Linked reference, not fetched
INPE (Brazil) · #inpe-embrace
Used forBrazil's space-weather monitoring programme and weekly briefings; a candidate regional source for the Space Weather panel. Linked only.
CreditEMBRACE/INPE.
www2.inpe.br/climaespacial/portal/en/the-embrace-program/ ↗Linked reference, not fetched
NOAA NWS · #nws-heat-index
Used forEarth mode: the Rothfusz heat-index regression and the NWS categories (Caution from 80 F, Extreme Caution from 90 F, Danger from 103 F, Extreme Danger from 125 F) used on the outdoor heat card.
CreditNOAA National Weather Service (U.S. public domain).
www.wpc.ncep.noaa.gov/html/heatindex_equation.shtml ↗Linked reference, not fetched