ESO astronomers dedicate large amount of time to better characterize the VLT site and instruments. This page collects results relevant to various instruments on Paranal. It also serves as a general access to relevant calibration data. It is far from being exhaustive:please contact the Calibration And Instrument Stability Group to suggest additional relevant results or links.
2007 ESO Instrument Calibration workshop
The 2007 ESO Instrument Calibration Workshop was the opportunity to present various results or projects related to the calibration of ESO instruments and other. Users registered to Springer Link can have access to the Proceedings, otherwise available in the ESO Astrophysics Symposia series.
The Brightness of the Night Sky The night sky brightness, together with number of clear nights, seeing, transparency, photometric stability and humidity, are some of the most important parameters that qualify a site for front-line ground--based astronomy...
Astroclimatology Forecasts of Observing Conditions on ESO Sites. Access to the ESO Ambient Condition Database Server. General information and long term statistics. Related publications. Single star Cn2 Profiler, including Measurements
Flux calibrated IR night sky spectrum (J, H, K bands) based on SINFONI data. The page also contains a link to the night sky atlas at the resolution of ISAAC. In the future, it will also contain a sky atlas obtained at the resolution of CRIRES.
Water vapor measurements at Paranal. Currently based on VISIR only. Soon, CRIRES measurements will be added.
Photometric standard stars
Telluric and Spectrophotometric standard stars
A study of the UVES instrumental polarisation (PDF file). "...measurements show no evidence for the presence of a UVES instrumental polarisation."
VLTI Calibrator Selector
Relevant conference proceedings