Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981esasp1038.....l&link_type=abstract
ESA SP, Paris: European Space Agency (ESA), 1981
Astronomy and Astrophysics
Astronomy
2
Astronomical Catalogs, Early Stars, Spaceborne Astronomy, Ultraviolet Spectra, Calibrating, Esa Satellites, Spectral Resolution, Tables (Data), Ultraviolet Spectrophotometers
Scientific paper
The spectral scans cover the wavelength ranges from 2060 to 2170 A, 2490 to 2600 A, and 2770 to 2880 A. The spectral resolution is 1.8, 2.3 and 1.7 A in the three wavelength channels, respectively. The wavelength scale has an internal accuracy of 0.1 A and an external accuracy of 0.2 A. The intensity calibration within each channel has an accuracy of 2%. The spectra are calibrated with respect to standard stars with an accuracy of 5%. The calibration of the standard stars is accurate to 10%. The spectra presented were obtained by averaging the multiple scans for each star, with a mean of nine scans per star. The spectra are corrected for background and stray light.
Burke W. R.
Hoekstra Roel
Kauperman T. M.
Lamers Henny J. G. L. M.
van der Hucht Karel A.
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