Volume 407, Number 3, September I 2003
|Page(s)||1157 - 1164|
|Published online||17 November 2003|
European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching, Germany
Corresponding author: email@example.com
Accepted: 19 May 2003
This paper presents a flux-calibrated, high-resolution, high-SNR atlas of optical and near-IR sky emission. It provides a complete template of the high-resolution night-sky emission spectrum with the deepest exposures ever obtained from the ground. The data have been acquired by UVES, ESO's echelle spectrograph at the 8.2-m UT2 telescope of the Very Large Telescope (VLT). Raw data stacks with up to 16 hours of integration time have been combined. The spectrum covers the range 3140–10 430 Å at a resolving power of about 45 000. A total of 2810 sky emission lines have been measured. This high-resolution spectrum is intended to be used for the identification of previously unknown faint sky lines, for simulations of ground based observations where the sky background is important, as a template for checks on the accuracy and stability of the wavelength scale, and as a reference for the reduction of spectra of faint objects.
Key words: line: identification / atomic data / atmospheric effects / atlases / techniques: spectroscopic
Figures 7–41 are only available in electronic form at http://www.edpsciences.org Tables 4–9 are only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (220.127.116.11) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/407/1157
© ESO, 2003
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