SIRIUS spectrograph (IMAGE) University of Leicester Caption CAD drawing of the SIRIUS spectrograph with a rigid tube. This will be replaced by the Oxford Space Systems deployable structure. Credit University of Leicester Usage Restrictions Use only with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.