news: Start of Service Mode operations (2005-04-01) VISIR undergoes major intervention/upgrade (April 24 - May 8, 2007) VISIR is out of operation (October 2008 - April 2009) VISIR has been back in operation since April 5, 2009      Shortcuts to trending plots:   readout noise dark level detectors' temperature number of bad pixels sensitivity conversion factor background

VISIR - The VLT Imager and Spectrometer for the mid-InfraRed is an instrument providing diffraction limited, high sensitivity imaging in the two mid-infrared atmospheric windows: the N band between 8 and 13 microns and the Q band between 16.5 and 24.5 microns. It is also capable of taking long-slit spectroscopic observations with spectral resolution ranging from 1550 to 30000.

All pipeline supported Service Mode data from VISIR pass Quality Control Garching.

Science data for Visitor Mode runs are presently not processed by Data Flow Operations.

More informations on VISIR, especially regarding all technical aspects, can be found at the VISIR web pages. The current VISIR User's Manual is available here.