HRS (High-Resolution Spectrograph) Instrument Summary
- PI is Bob Tull, McDonald Observatory, UT Austin
- CCD PI is Phillip MacQueen, McDonald Observatory, UT Austin
- Fiber-coupled, single object with sky fibers
- Bench-mounted in insulated chamber in spectrograph room in HET "basement"
- Mosaic to two R-4 echelle gratings and white pupil design
- R = 15000 to 120000
- 390 to 1100nm wavelength coverage in two exposures, one octave in one exposure
- CCD is 4096x4100 Orbit CCD mosaic
- Better than 10 meter/second long-term wavelength stability
- Low scattered light
- 5% throughput on the sky
- Funded by NSF and UT Austin
- Commissioning in Spring 2001
- For target acquisition and auto-guiding notes, see the performance page.
- Our best estimate of the limiting magnitude performance can be found here