Data

Data Access & Summary

View the EVE Data Access Page for documentation and descriptions.

Level	Description	Wavelength Coverage	Data Link
0CS	Space Weather: Crudely calibrated 1-minute averaged broadband irradiances from ESP and MEGS-P broadband photometers with minimum latency.	0.1-7, 18.2, 25.6, 30.4, 36.6, and 121.6 nm	Latest day, Latest 15 minutes, Historical
0C	Space Weather: Crudely calibrated 1-minute averaged spectral irradiance from MEGS with less than 15 minute latency.	7-37 nm	Latest file, Daily files
1	Broadbands: Fully calibrated ESP photometer irradiances at instrument 4 Hz cadence. Full science potential, available next day.	0.1-7, 18.2, 25.6, 30.4, 36.6 nm	Daily files Calendar
2 – spectra	Spectrum: Fully calibrated merged spectra at 0.02 nm sampling and instrument 10 second cadence. Full science potential, available next day. Files start with “EVS_”.	6-105 nm	Hourly files Calendar
2 – lines	Lines, bands, diodes: 30 extracted emission lines, 20 extracted bands, and all photometer bands plus ESP quad diode fractions at the spectrum cadence of 10 seconds. Photometer data are averaged down to 10 seconds. Partial science potential, fulfills extracted line requirements, available next day. Files start with “EVL_” and reside in the same directories with the spectra.	Many	Hourly files Calendar
2b – spectra	Spectrum: Fully calibrated merged spectra at 0.02 nm sampling and 60 second cadence. Full science potential, available next day. Files start with “EVS_”.	6-105 nm	Daily files Calendar
2b – lines	Lines, bands, diodes: 30 extracted emission lines, 20 extracted bands, and all photometer bands plus ESP quad diode fractions at the cadence of 60 seconds. Photometer data are averaged down to 60 seconds. Partial science potential, fulfills extracted line requirements, available next day. Files start with “EVL_” and reside in the same directories with the spectra.	Many	Daily files Calendar
3	Daily Average: Daily averaged merged spectra at 0.02 nm sampling, extracted lines, bands, photometer data. Available next day.	6-105 nm plus 121.6 nm	Daily files Calendar
3 – merged	Mission-merged: Full mission of level 3 data in one file. Three different bin sizes available (0.02, 0.1, 1.0 nm). Available next day.	same as level 3	Browse directory
0C – SAM	Space Weather: SAM 5-minute irradiance peak and centroid locations. 4 minute latency. Currently in beta phase. An additional 1-minute file is being produced daily.	0.1-7 nm	Latest 5-minute file, Browse 5-minute directory, Browse 1-minute directory

Note that due to unexpected rapid degradation, MEGS-B (and consequently MEGS-P) have limited daily exposure. Solar measurements for MEGS-B are made 5 minutes each hour plus one 3-hour period each day.