ODI Technical Information

ODI Technical Specifications

Telescope WIYN 3.5m
Telescope port Permanently mounted at f/6.3 Nasmyth port
Field of View 1o, 1o circle unvignetted
Pixel Scale 0.11 arsec/pixel
Dectectors 64 Orthogonal Transfer Array CCDs
Gaps between detector cells
  • 3" in x direction
  • 1.2" in y direction
Filling factor of focal plane >80% (>85% goal)
Initial Filter Set u,g,r,i,z plus 1 or 2 narrow-band filters
Filter size 42cm x 42cm
Number of filter slots 9
Readout Noise < 10e-, < 6e- goal
Active image quality improvement
  • On-chip image motion correction
  • Atmospheric dispersion compensator
Readout Time < 10 sec sustained bias rate
File Size 2GB/image uncompressed
Nightly Data Volume 0.5 TB to 4 TB, depending on program
Guide star setup overhead
  • < 40 sec with preimage
  • 0 sec with on-the-fly acquisition
Focus system Automatic focusing with focus sensor

Last modified: 30-Sep-2011 16:05:33 MST