News

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VISIR News

  • IMPORTANT. September 10, 2013: VISIR detectors are still out of specifications, as a consequence, VISIR is not offered during P93.
  • IMPORTANT. February 20, 2013: Due to problems with the new Raytheon detectors, VISIR will not be available for regular observations during P91 & P92.
  • October 25, 2012: Due to out-of-specifications properties of the new detectors, VISIR is not available for regular observations during P90. Most likely this will be the case for the entire period.
  • September 4, 2012: The P90 User manual applies also for P91 phase-I preparation.
  • August 17, 2012: An updated version of the P90 User Manual is available.
  • August 17, 2012: Problems during the first re-commissioning run did not allow to meet the sensitivity expectations. A second re-commissioning is planned for the end of October 2012. Regular science operations with VISIR are expected to resume at the begining of November 2012.
  • December 8, 2011: The VISIR upgrade is scheduled between May-September 2012. Thus, approved P89 programs will cluster either in the month of April or in the last 2 weeks of September 2012.
  • September 1, 2011: Release of P89 User Manual with first information on the new AQUARIUS detector.
  • September 1, 2011: VISIR upgrade is planned between January-March 2012.
  • June 23, 2011: Relative transmission curves for B and J filters made available.
  • March 28, 2011: Link to the forthcoming VISIR upgrade project
  • February 22, 2011: IMPORTANT: Given the forthcoming VISIRdetector upgrade, please note that VISIR P88 availability will be limited to the first part of the period. Further details will beprovided as soon as possible.
  • February 22, 2011: The J8.9 filter is confirmed to have a ghost, please avoid its use.
  • November 24, 2010: release of VISIR operating manual.
  • September 27, 2010: Emphasis (in the user manual) on the non availability of K-band science IMAGING.
  • June 28, 2010: Table.7 in the user manual is updated (i.e. the first line refering to HR-mode).
  • April 20, 2009: VISIR has been re-installed at the Cassegrain focus of UT3. Image quality was verified and the instrument is fully operational
  • January 31, 2006: first public release of the data reduction pipeline
  • December 20, 2005: user manual updated for P77 phase 2
  • December 20, 2005: guidecam tool a tool to select guide stars, adapted for VISIR
  • December 20, 2005: Cohen 81 a list of 81 standard stars, selected from Cohen et al. (see user manual )
  • December 20, 2005: Cohen 12 a list of 12 standard stars, selected from Cohen et al. (see user manual )
  • September 4, 2005: user manual updated for Call for Proposals P77
    • New low resolution, medium resolution and high-resolution, cross-dispersed modes released
    • Acquisition for spectroscopy can be done with the imager detector
    • Acquisition for imaging and spectroscopy can be done with a K-band filter