First Scientific Results of the Near Infrared Spectrograph LIRIS

Details First Scientific Results of the Near Infrared Spectrograph LIRIS First Scientific Results of the Near Infrared Spectrograph LIRIS

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006lnea....2..249m&link_type=abstract

Lecture Notes and Essays in Astrophysics, vol. 2, p. 249-256.

Astronomy and Astrophysics

Astrophysics

Infrared Spectrographs

Scientific paper

LIRIS is a near-infrared (1-2.5 microns) intermediate resolution spectrograph (R=1000-3000) with added capabilities for multi-slit, imaging, coronography, and polarimetry, built by the IAC as a common instrument for the 4.2m WHT (La Palma, Spain). LIRIS has been used as a visiting astronomer instrument at the WHT since summer 2004. The image quality is of 0".5 in the Ks band over the whole field of view (4.2' x 4.2'). Very low values of sky brightness have been measured. Currently, R=1000 is available in the three bands (J, H, Ks), whether R=2500 is only available in the Ks band. R=3000 will be available in the J, H and Ks bands, next year (2007). Here we present some scientific results, as the detection of the CIV 154.9 nm line in the most distant qso at z=6.41.

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