Spectrograph
instrument or apparatus for photographing or otherwise recording spectra
spectroheliograph
Neutron spin echo spectroscopy
Visible Multi Object Spectrograph
Europa Ultraviolet Spectrograph
ESPRESSO
High Accuracy Radial Velocity Planet Searcher
Goddard High Resolution Spectrograph
integral field spectrograph
Cosmic Origins Spectrograph
K-band Multi-Object Spectrograph
Faint Object Spectrograph
Space Telescope Imaging Spectrograph