Optically Adaptive System for Imaging Spectroscopy (OASIS)

First light: July 2003.

De-commissioned: 

Participating organisations: Observatoire de Lyon.

Description: The optical integral-field spectrograph OASIS, formerly at the CFHT, was moved permanently to the WHT. It is now installed at one of the science ports of NAOMI, in the WHT's new AO-dedicated, temperature-controlled, Nasmyth enclosure GRACE.

Some scientific highlights:

• The Axisymmetric Wind of the Post-Red Supergiant IRC +10420