Sensitivity gains for a 21st Century telescope

For background or sky noise limited spectroscopy:

S ?? Equivalent Telescope Diameter .????

N Effective Aperture Width ????

For background or sky noise limited observations:

S ?? (Effective Collecting Area)1/2 .????

N Delivered Image Diameter ????

• To meet these scientific challenges: S/N ? 30 x S/N of a 8m ~ 10 m Telescope

S/N x (106)1/2

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