VizieR Online Data Catalog: QSOs CaII absorbers (Richter+, 2011)

For our CaII survey we made use of the ESO data archive and retrieved all publically available (as of Sep. 2008) absorption-line data for low- and high-redshift QSOs observed with the Ultraviolet and Visual Echelle Spectrograph (UVES) on the VLT. This enormous data archive (Spectral Quasar Absorption Database, SQUAD; PI: M.T. Murphy) provides high-quality spectral data for ~400 quasars and active galactic nuclei (AGN). Most of these spectra were taken in the UVES standard configuration using the 1" slit, providing a spectral resolution of R~45000 (corresponding to a velocity resolution of ~6.6km/sFWHM). Only a few spectra have been observed at slightly higher spectral resolution, up to R~60000. The spectral coverage as well as the signal-to-noise ratio (S/N) varies substantially among the spectra, reflecting the various scientific goals of the original proposals.

(5 data files).