VIRUS Spectrograph

NOTE: The VIRUS commissioning team is maintaining additional documentation so please check: http://www.as.utexas.edu/~gebhardt/virususe/virususe.html

NOTE: The VIRUS parallel data working group is maintaining a wiki with important and useful information about accessing the parallel data:

https://luna.mpe.mpg.de/wikivirusparallel/index.php/Main_Page

(U: parallel P: VirussuriV)

Developments

Links

Mar 2019 - the position of the IFU fibers on the sky was redistributed. Oct 31 2019 - there are now 59 IFUs installed Jun 1 2020 - there are now 71 IFUs installed - see the layout page for updated configuration details. Aug 2021 - there are 78 units installed and most are operational Feb 2022 - power supply issues caused VIRUS to be fully offline Feb 22-24 and with only 40/78 units from Feb 25-26. Normal operations resumed Feb 27th (all dates UT).

Summary Setting up on targets Misc. details IFU Layout and Target Placement Low Surface Brightness Tiling observations Throughput and Sensitivity Data Reduction Tips HET Calibrations