ACS Ramps Average Transmittance Fit Coefficients

Filter Name Ramp Band Minimum l(Å) Maximum l(Å) Segment Location Filter Wheel Number T(l[Å]) = b0+ b1l+ b2l2 ACS #
b0 b1 b2
FR388N OII 3710 4049 middle 36 3.5965 -1.877E-3 2.794E-7 25M
FR423N   4049 4420 inner 36 1.2132 -3.647E-4 5.136E-8 25I
FR462N   4420 4824 outer 36 14.606 -6.143E-3 6.778E-7 25O
                   
FR505N OIII 4824 5266 middle 50 1.1781 -1.756E-4 1.717E-8 26M
FR551N   5266 5748 inner 50 5.4225 -1.735E-3 1.607E-7 26I
FR601N   5748 6274 outer 50 6.3219 -1.900E-3 1.616E-7 26O
                   
FR656N Ha 6274 6848 middle 38 -1.5151 6.860E-4 -5.121E-8 27M
FR716N   6848 7474 inner 38 -1.1078 4.744E-4 -2.880E-8 27I
FR782N   7474 8158 outer 38 -2.8885 8.326E-4 -4.559E-8 27O
                   
FR853N IR 8158 8905 inner 48 6.3224 -1.289E-3 7.569E-8 28I
FR931N   8905 9719 outer 48 -13.680 3.103E-3 -1.658E-7 28Ob
FR1016N   9719 10609 outer 49 -4.1362 1.005E-3 -5.081E-8 28Oc
                   
FR459M Broad 3810 5366 middle 49 -2.7452 1.458E-3 -1.500E-7 24Ma
FR647M   5366 7574 inner 49 -0.0227 2.271E-4 -1.559E-8 24I
FR914M   7574 10709 middle 48 1.056 -6.92E-5 4.213E-9 24Mc

Last Updated on 01/29/99
By Zlatan Tsvetanov
Email: zlatan@pha.jhu.edu