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NOAO Newsletter - CTIO Operations - September 2000 - Number 63


1.5-m BME Spectrograph to be Retired

The 1.5-m telescope Bench-Mounted Echelle (BME) spectrograph will be retired at the end of the present semester, 2000B. The BME was built by Tom Ingerson in 1995, with scientific support provided by Nick Suntzeff. With a 200-mm fiber and slit, resolutions in the range 15000-60000 could be achieved with SITe 2K CCD. Total system efficiencies of typically 0.51.5% restrict the use of the BME to bright stars. In recent semesters, demand for the BME has been very low. Therefore, we have reluctantly decided to cease offering this instrument after the end of the present semester.


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