Laboratory for Atmospheric and Space Physics (LASP)
TSIS-1 Solar Spectral Irradiance (SSI) - Daily Average
datasetobservational / measurementIndustry: Aerospace
- Category
- Data & Digital Tools
- Affiliations
- LASP
Description
Daily average solar spectral irradiance (SSI) from the LASP TSIS-1 Spectral Irradiance Monitor (SIM) on the International Space Station since March 2018, covering 200–2400 nm at about 1–35 nm resolution, with absolute accuracy under 0.4%.
Official page
https://lasp.colorado.edu/lisird/data/tsis_ssi_24hr/
Open official page (opens in a new tab)Access
- Access summary
- download
- Access URL
- LaTiS DAP https://lasp.colorado.edu/lisird/latis/dap/tsis_ssi_24hr ; source files .sav/.txt.zip/.nc
Contact
- Contact
- (no name)
Details
- Keywords
- solar irradiance data, top-of-atmosphere measurements, long-term solar monitoring, tsis-1, international space station
- Location
- Boulder, Colorado
- Processing level
- Level 3
- Temporal cadence
- daily
- Associated entity
- LASP
- Identifier
- tsis_ssi_24hr
- License
- CC BY 4.0
- Status
- is_active=TRUE; alerts: SIM anomaly 2026-07-07, recovered 07-13; product updates delayed
- Specifications
- model: time -> wavelength -> (irradiance_1au, irradiance_true_earth, measurement_stability, measurement_precision, instrument_uncertainty, additional_uncertainty, quality); units nm, W/m^2/nm; level 3