Observing with HST below 1150Å: Extending the Cosmic Origins Spectrograph Coverage to 900Å

Steve Osterman, Steven V. Penton, Kevin France +4

The far-ultraviolet (FUV) channel of the Cosmic Origins Spectrograph (COS) is designed to operate between 1130Å and 1850Å, limited at shorter wavelengths by the reflectivity of the…