# Pupil Table : nicmos3.pup # Do not change the order of these entries! # Date : June 1997 # NICMOS 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 # # NICMOS wavelength range # 700 2500 = min, max detector wavelength (nm) # # NICMOS cold mask obscuration parameters (rough estimates) # 0.342 = NICMOS 3 Secondary radius (was 0.347) 0.060 = NICMOS 3 Spider width (was 0.061) 0.941 = NICMOS 3 Outer radius of cold mask (was 0.968) # # NICMOS camera 3 rotation (relative to OTA) # 45.0 = NICMOS Camera 3 rotation # # Axial offset of NICMOS cameras # 247.1 -236.0 = NICMOS Camera 3 V2,V3 axial offset # # NICMOS cold-mask pads (cameras 2 and 3 only) # 0.0000 0.7655 -0.7706 = NICMOS Pad V2 0.9021 -0.4615 -0.4564 = NICMOS Pad V3 0.1650 0.1650 0.1650 = NICMOS Pad X size (was 0.837 0.817 0.797) 0.1410 0.1410 0.1410 = NICMOS Pad Y size (was 0.7140 0.7140 0.7140) 0.000 -121.15 121.52 = NICMOS Pad rotation (degrees) # # Conversion factor from defocus in PAM space (mm) to wavefront error (microns) # -0.051 # PAM(mm) -> z4(microns) # # Aberration focus dependences (aberrations in microns in detector coordinates) # z = c1*z4^2 + c2*z4 + c3 (where c3 is supplied in the Zernike table file) # -0.0630 -0.0938 = X Astigmatism (z5) 0.0567 0.0881 = Y Astigmatism (z6) 0.0000 0.0000 = X Coma (z7) 0.0000 -0.0550 = Y Coma (z8) 0.0000 0.0000 = Spherical (z11) # # Aberration field dependences (aberrations in microns in detector coordinates) # # Focus (z4) # 0.0445764 -0.000330839 6.13481e-07 -0.000255473 -3.74471e-08 3.49292e-09 1.12920e-06 -2.55849e-10 -1.28711e-11 # # X Astigmatism (z5) # 0.0583578 -8.72898e-05 -5.61729e-07 -0.000644199 1.56656e-06 -2.95043e-09 1.79491e-06 -4.48858e-09 1.07544e-11 # # Y Astigmatism (z6) # 0.0457425 -0.000778349 1.62512e-06 -0.000391598 9.03917e-06 -2.89380e-08 6.42988e-07 -2.09605e-08 9.17694e-11 # # X Coma (z7) -0.00537987 -8.04807e-05 6.22336e-07 0.000116270 5.71057e-07 -6.30696e-09 -4.50137e-07 -2.07840e-09 1.82319e-11 # # Y Coma (z8) # 0.00202859 4.38390e-06 -1.23886e-08 -9.75879e-05 7.75545e-07 -1.13626e-09 1.92866e-07 -2.56441e-09 7.06276e-12