# Pupil Table : acshrc.pup # Do not change the order of these entries! # Date : June 2000 # Advanced Camera for Surveys pupil information #---------------------------------------------------------------------------- # # Optical Telescope Assembly pupil information # 0.330 = OTA Secondary Mirror Radius 0.022 = OTA Spider Width # # Mirror pad positions and radii # 0.8921 0.0000 0.065 = OTA Pad 1 (V3, V2, Pad Radius) -0.4615 0.7555 0.065 = OTA Pad 2 -0.4564 -0.7606 0.065 = OTA Pad 3 # # # 100 1200 = ACS HRC min, max detector wavelength (nm) 90.0 = High Resolution Channel image axis rotation (vs. OTA) 0.025 = High Resolution Channel nominal pixel size (arcsec) # # ACS HRC field dependent aberration coefficients (in microns) # # Focus # -3.89690e-07 1.63727e-06 1.82516e-09 3.16299e-14 -2.46927e-07 4.19786e-10 -3.90581e-15 3.33275e-19 2.31669e-09 3.89354e-14 2.90983e-18 -2.68303e-21 -1.42944e-14 -2.96644e-18 2.06439e-21 1.05237e-23 # # X astig # -2.42925e-06 1.19430e-05 -2.21409e-09 -4.11547e-14 -2.43797e-06 4.89333e-09 1.05056e-13 1.07780e-18 3.54477e-09 2.97740e-14 5.62213e-19 -1.15198e-21 -2.17451e-14 2.24096e-18 -3.10126e-21 -1.01703e-23 # # Y astig # 4.95777e-07 3.43749e-06 -2.41316e-09 -4.43978e-14 1.38815e-05 -5.67019e-09 -8.77772e-14 3.90600e-18 2.40280e-09 8.02454e-14 1.35458e-18 -4.48162e-21 -1.84952e-14 4.07751e-18 -4.14625e-21 -2.72846e-23 # # X coma # 9.15283e-08 1.93060e-07 1.18149e-10 -1.45464e-14 5.70233e-07 2.77273e-10 -4.80646e-14 3.87846e-18 -1.08253e-10 -3.34390e-14 -3.14595e-19 -4.22916e-21 -5.83909e-14 4.58620e-18 5.10978e-21 -2.83027e-23 # # Y coma # -2.03207e-07 4.61675e-07 -4.27339e-10 3.40718e-14 -1.52317e-07 1.54374e-10 -2.13158e-15 3.11886e-18 -2.36781e-10 4.44147e-14 7.46439e-19 -5.87451e-21 -1.72866e-14 3.40401e-18 4.42186e-21 -1.42451e-23 # # X clover # 8.29461e-09 -8.05278e-09 -2.50019e-13 5.29224e-16 -2.41183e-08 -2.35038e-12 3.12216e-15 2.06992e-18 1.20046e-12 -1.76700e-15 -7.96866e-19 4.30137e-21 1.04605e-15 -9.58535e-19 -4.94738e-21 -8.51770e-24 # # Y clover # -9.37579e-08 2.08046e-08 1.77821e-12 4.21815e-17 -6.01083e-09 -7.09967e-13 1.75506e-15 -3.16093e-18 -2.67976e-13 1.41804e-15 4.60790e-19 -2.52192e-21 -6.80911e-16 -2.50524e-18 3.53427e-22 1.38195e-23 # # Spherical # 9.38671e-08 -2.84105e-07 3.29022e-11 -3.68272e-16 1.33491e-07 8.86664e-12 3.65472e-16 -1.07612e-18 4.31554e-11 -9.85173e-16 8.02701e-19 4.57511e-21 -2.39919e-16 1.56354e-18 -1.91749e-21 1.11383e-24 # # # ACS HRC geometric distortion coefficients; used to convert # detector X,Y position to telescope V2,V3 # # V2,V3 (pupil) coordinates of reference position # -176.691 -485.444 = in arcsec # # Detector X,Y coordinates of reference position # 512 512 = pixels # # X,Y -> V2 transformation coefficients # -0.00138315 -0.0283538 -9.44458e-9 -2.12941e-7 6.66749e-8 -2.64127e-11 7.16872e-12 3.16406e-11 -1.70420e-11 # # X,Y -> V3 transformation coefficients # 0.0252266 0.00126324 1.94016e-7 -5.16536e-8 6.76348e-9 5.50252e-11 -2.84791e-11 -1.91024e-11 -3.46178e-12 # # V2,V3 -> X transformation coefficients # -1.93829 -35.3552 0.000668405 0.0110689 0.00343316 -5.39385e-05 -2.01518e-05 5.24307e-05 3.01290e-05 # # V2,V3 -> Y transformation coefficients # 39.7379 1.77036 -0.0123085 -0.00453850 -0.000659219 -0.000131624 -7.19162e-05 2.91665e-05 -5.27685e-06 # # ACS HRC charge diffusion kernels (CCD pixel resolution) # 0.400 = Wavelength (microns) of kernel 1 # # Kernel 1 # 0.0200 0.0600 0.0200 0.0600 0.6800 0.0600 0.0200 0.0600 0.0200 # 0.550 = Wavelength (microns) of kernel 2 # # Kernel 2 # 0.0175 0.0500 0.0175 0.0500 0.7300 0.0500 0.0175 0.0500 0.0175 # 0.800 = Wavelength (microns) of kernel 3 # # Kernel 3 # 0.0150 0.0200 0.0150 0.0200 0.8600 0.0200 0.0150 0.0200 0.0150