# Outputs from throughput budget DESI-0347 v4 (3rd tab) # Exported on 6/25/14 9:36 # Sky throughput is from in front of telescope to photons detected # (no seeing and no galaxy) # Throughput spectrograph and CCDs is from light leaving the slithead to # photons detected assuming a perfectly aligned slit. # Lateral offset is sigma microns # Blur is 1-d sigma microns # Slithead misalignment is accounted for in fiber system. # #wavelength(nm) sky_throughput throughput_spectrograph_and_CCDs lateral_offset blur 360 0.079966131 0.294183874 12.179759 16.06473531 375 0.131993074 0.39078009 11.67048903 15.81181759 400 0.208016164 0.49322301 10.99193233 15.26757491 450 0.308307919 0.632384642 10.19878914 14.83919008 500 0.341853995 0.627238539 9.344219989 14.31428889 550 0.3330139 0.590978791 9.426803785 14.00261991 600 0.310504279 0.573328194 10.18271398 14.09715084 650 0.337700239 0.633341659 10.96068456 14.46581465 700 0.334550811 0.622969225 11.51183741 14.92273712 750 0.326856958 0.590878225 11.74703697 15.34770155 800 0.390339598 0.693324098 11.63924943 15.68327489 850 0.388183837 0.678848188 11.38241706 15.91391444 900 0.378356551 0.639419159 11.47652495 16.01253858 980 0.277250247 0.481727958 11.57183047 16.11194563