# Pupil Table : wfpc2wf4.pup # Do not change the order of these entries! # Date : July 2000 # WFPC2 WFC4 data #----------------------------------------------------------------------------- # # 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 = min, max detector wavelength (nm) 390 410 = WFPC2 WFC4 obscuration alignment center 0.434 = WFPC2 WFC Secondary Mirror Radius 0.050 = WFPC2 WFC Spider Width 225. = WFPC2 WFC Chip 4 Rotation relative to OTA 0.09993 = WFPC2 WFC pixel size (arcsec) -55.044 6.098 = WFPC2 WFC chip 4 detector center V2,V3 pupil coordinates # # WFPC2 WF4 field dependent aberration coefficients # -2.328E-05 -1.990E-05 -7.684E-08 5.366E-08 -1.595E-08 # Focus Z4 -7.958E-06 -2.994E-06 -2.155E-08 -4.326E-08 4.981E-07 # X Astig Z5 3.109E-06 -6.446E-06 1.691E-07 -3.033E-07 1.154E-07 # Y Astig Z6 4.718E-05 4.663E-05 -9.379E-09 7.484E-08 7.673E-08 # X Coma Z7 1.139E-04 -9.410E-05 -3.409E-10 -5.849E-08 -1.439E-08 # Y Coma Z8 # # WFPC2 CCD Pixel Scattering Function (estimates charge diffusion) # 0.0125 0.05 0.0125 0.0500 0.75 0.0500 0.0125 0.05 0.0125