Ambient QE Measurements of the FOS Red Side

George Hartig
SPA CE TL~LESCOPE SCIENCE INSTITUTE

Instrument Science Report CAL/FOS037
October 1986



Ab8tract


A series of measurements were made at LMSC on October 1-2 to determine
the current sensitivity of the FOS red side. Tests performed with the
ambient ST optical simulator confirm the continuing degradation of the
F-8 red response seen with the internal calibra.tion lamp
mea.surements included in the YMONTHLY test procedure.