Mission Overview

Map of Observations

Copernicus observations

Wavelength Coverage

Copernicus wavelength coverage plot

The Copernicus satellite, known initially as the Orbiting Astrophysical Observatory 3, obtained high-resolution spectra in the far- and near-ultraviolet of 551 UV sources, mostly bright stars. The satellite also featured an X-ray experiment, the data for which are hosted at HEASARC. The Copernicus mission was a collaboration between NASA and the SERC of the United Kingdom, and was operated by Princeton University (PI: Lyman Spitzer).

Active From

August, 1972 - February, 1981


U1 channel: R ~ 23,000

U2 channel: R ~ 5,000



Search Tools

Raw Data Search Form

Copernicus Classic web form for raw data.

Coadded Scan Search Form

Copernicus Classic web form for coadded data.

Copernicus Target List

A table of the targets observed by the Copernicus mission.

High Resolution Spectral Atlas

Copernicus Atlases of 6 Selected Stars (HLSP: COPATLAS).

Copernicus Images

Map showing position, number of observations, and magnitudes

Spectral Resolution

Satellite Drawing


Supplemental Links