Far-Ultraviolet Spectroscopy of the Quasar UM 675 with the Faint Object Spectrograph on the Hubble Space Telescope
Cohen, Ross D.; Burbidge, E. M.; Rosenblatt, E. I.; Hartig, George F.; Junkkarinen, Vesa T.; Beaver, E. A.; Margon, Bruce; Lyons, Ronald W.; Davidsen, A. F.
United States
Abstract
Observations of UM 675 with the HST and FOS demonstrate the proper functioning of the FOS. We detect light in UM 675 down to 520 A in the rest frame and set limits to He I emission, the He I Gunn-Peterson effect at z = 2.148, and Lyα absorption at z~0.5.