Oak Ridge Echelle Spectrograph
Robert Stefanik working on the Echelle spectrograph on the 61-inch Wyeth Reflector at the Oak Ridge Observatory in Harvard, Massachusetts. The observatory is operated by the Smithsonian Astrophysical Observatory (SAO), part of the Harvard-Smithsonian Center for Astrophysics (CfA) in Cambridge, Massachusetts.
The Echelle spectrograph is used for radial velocity studies of stars. Results from this instrument include: