The primary use of the spectrograph is to determine radial velocities of stellar surfaces for asteroseismic analysis. The spectrograph is s a high resolution...
SPRAT (SPectrograph for the Rapid Acquisition of Transients) is a low resolution, high throughput spectrograph. It employs a VPH grating and prism ("grism")...
The SES is a modern white-pupil spectrograph with a moderately high spectral resolution of about 55,000 and a fixed wavelength format of 390 to 870nm. The...