Efficiency of Aperture Types

Capture Efficiency of Spectrograph Apertures

Aperture Type Seeing (arcsec)
  0.6 0.9 1.3 1.6 2.0 3.0
R=50K with 200u Fiber+slit 0.54 0.40 0.25 0.18 0.13 0.06
R=50K with 300u Fiber+slit 0.42 0.38 0.29 0.23 0.17 0.09
R=50K with Slit only 0.66 0.49 0.35 0.29 0.23 0.16
R=50K with 55 fiber IFU 1.00 0.98 0.89 0.78 0.63 0.41
 
R=25K with 200u Fiber (no slit) 0.89 0.65 0.41 0.30 0.21 0.10
R=25K with 300u Fiber+slit 0.77 0.70 0.54 0.43 0.32 0.17
R=25K with Slit only 0.93 0.79 0.62 0.53 0.44 0.30
R=25K with 55 fiber IFU 1.00 0.98 0.89 0.78 0.63 0.41
 
R=16K with 200u Fiber (no slit) 0.89 0.65 0.41 0.30 0.21 0.10
R=16K with 300u Fiber (no slit) 0.99 0.90 0.69 0.55 0.41 0.22
R=16K with Slit only 0.99 0.93 0.81 0.71 0.61 0.44
R=16K with 55 fiber IFU 1.00 0.98 0.89 0.78 0.63 0.41

Updated on May 10, 2021, 9:46 am