# JWST dither patterns for Coordinated Parallels # Prime Instrument: NIRCam # Parallel Instrument: NIRISS # Offsets are relative to the prime instrument aperture's reference position # in that aperture’s Ideal coordinate system (X, Y). # # Prime Instr. Parallel Instr. #Step dX (arcsec) dY dX/pix dY/pix dX/pix dY/pix d(phi)/pix NRC_NIS_2L 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 1.2838 -0.7449 40.5000 -23.5000 19.5195 -11.5122 0.0230 NRC_NIS_2M 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.5548 0.3011 17.5000 9.5000 8.5019 4.5374 0.0375 NRC_NIS_3L 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.8031 0.5495 25.3333 17.3333 12.3198 8.3015 0.0346 3 1.6061 1.0355 50.6667 32.6667 24.6328 15.6351 0.0463 NRC_NIS_3M 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.5495 -0.4332 17.3333 -13.6667 8.3416 -6.6737 0.0108 3 1.0989 -0.9299 34.6667 -29.3333 16.6764 -14.3152 0.0205 NRC_NIS_3S 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.3698 0.2430 11.6667 7.6667 5.6725 3.6702 0.0068 3 -0.3698 -0.2430 -11.6667 -7.6667 -5.6725 -3.6702 0.0068 NRC_NIS_4L 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.9827 0.2377 31.0000 7.5000 15.0285 3.5231 0.0367 3 0.2377 -0.9827 7.5000 -31.0000 3.5231 -15.0285 0.0367 4 1.2838 -0.7449 40.5000 -23.5000 19.5195 -11.5122 0.0230 NRC_NIS_4M 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.1268 0.5548 4.0000 17.5000 1.9960 8.4555 0.0447 3 0.5548 -0.1268 17.5000 -4.0000 8.4555 -1.9960 0.0447 4 0.6816 0.3645 21.5000 11.5000 10.4446 5.4916 0.0560 NRC_NIS_4S 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.1268 0.4279 4.0000 13.5000 1.9822 6.5197 0.0265 3 0.4279 -0.1268 13.5000 -4.0000 6.5197 -1.9822 0.0265 4 0.5548 0.3011 17.5000 9.5000 8.5019 4.5374 0.0375 NRC_NIS_9L 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.9193 -0.4966 29.0000 -15.6667 13.9809 -7.6817 0.0243 3 1.4159 0.3593 44.6667 11.3333 21.6557 5.3313 0.0112 4 0.5600 0.8559 17.6667 27.0000 8.6427 13.0061 0.0247 5 -0.3593 1.4159 -11.3333 44.6667 -5.3313 21.6557 0.0112 6 -0.9193 0.4966 -29.0000 15.6667 -13.9809 7.6817 0.0243 7 -1.4159 -0.3593 -44.6667 -11.3333 -21.6557 -5.3313 0.0112 8 -0.5600 -0.8559 -17.6667 -27.0000 -8.6427 -13.0061 0.0247 9 0.3593 -1.4159 11.3333 -44.6667 5.3313 -21.6557 0.0112 NRC_NIS_9M 1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 2 0.6129 -0.1902 19.3333 -6.0000 9.3359 -2.9702 0.0299 3 0.7397 0.4227 23.3333 13.3333 11.3382 6.3725 0.0395 4 0.1268 0.6129 4.0000 19.3333 2.0023 9.3427 0.0097 5 -0.4861 0.8031 -15.3333 25.3333 -7.3336 12.3129 0.0204 6 -0.6129 0.1902 -19.3333 6.0000 -9.3359 2.9702 0.0299 7 -0.7397 -0.4227 -23.3333 -13.3333 -11.3382 -6.3725 0.0395 8 -0.1268 -0.6129 -4.0000 -19.3333 -2.0023 -9.3427 0.0097 9 0.4861 -0.8031 15.3333 -25.3333 7.3336 -12.3129 0.0204