... pollution?[*]
Based on data from the FEROS spectrograph at the 2.2-m ESO/MPI telescope (observing run ID 074.C-0135), at the La Silla Observatory, ESO (Chile), and the UVES spectrograph at VLT/UT2 Kueyen telescope (observing run ID 074.C-0134), at the Paranal Observatory, ESO (Chile), and on observations made with the SARG spectrograph at 3.5-m TNG, operated by the Fundación Galileo Galilei of the INAF, and with the UES spectrograph at the 4-m William Hershel Telescope (WHT), operated by the Isaac Newton Group, both at the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias.
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Copyright ESO 2006