NAOMI/OASIS on-sky performance

Details NAOMI/OASIS on-sky performance NAOMI/OASIS on-sky performance

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006newar..49..625b&link_type=abstract

New Astronomy Reviews, Volume 49, Issue 10-12, p. 625-631.

Astronomy and Astrophysics

Astronomy

1

95.55.Cj, 95.55.Qf, 95.75.Fg, 95.75.Qr

Scientific paper

NAOMI is the AO system of the 4.2-m William Herschel Telescope on La Palma. It delivers an AO-corrected image to a lenslet array at the focal plane of the optical integral-field spectrograph OASIS. The resulting 1100 spectra are imaged onto a high-QE, low-fringing MITLL3 CCD. A range of spectroscopic and spatial (0.09 0.42 arcsec/lenslet) configurations is available. At wavelength ˜ 0.7 μm, the NAOMI-corrected FWHM is typically half that of the natural seeing. Scheduled OASIS observing began in semester 2004B, with 9 programmes awarded a total of 26 nights during the first year of operation. A Rayleigh laser guide star is under development, with first light expected summer 2006. In conjunction with NAOMI/OASIS, this will provide a unique facility: AO-corrected optical integral-field spectroscopy anywhere on the northern sky.

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