ULTRASPEC on the ESO 3.6m
ULTRASPEC saw first use on the ESO 3.6m telescope at La Silla where it
was used as a high-speed, zero-noise detector on the EFOSC2
spectrograph. In fact, ULTRASPEC was the first time an EMCCD had been
used to perform astronomical spectroscopy on a large-aperture
telescope. The camera saw first light during 4 nights of technical
time in 2006 December 1-4. There followed a 17-night science run on
the ESO 3.6m telescope during the period 27 January - 12 February
2008, during which we also commissioned two new VPH grisms for EFOSC2
that we had procured for ESO. The links below provide information on the early
design and construction of ULTRASPEC, as well as reports and photos of
the commissioning run and subsequent science run.
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