| WFC3 Apertures | ||||||||||||
| Updated | July 1, 2011 | |||||||||||
| Aperture | Notes | Chip | Reference Pixel Position | Field Position (arc-sec) | Pixel scales (arc-sec/pixel) | Angle from V3 axis | ||||||
| Name | X | Y | V2 | V3 | X scale | Y scale | X axis | Y axis | ||||
| UVIS Channel | ||||||||||||
| UVIS | 1 | 2073.0 | 250.0 | 8.905 | 3.444 | 0.039721 | 0.039548 | -41.387 | 44.832 | |||
| UVIS-FIX | 1 | 2073.0 | 250.0 | 8.905 | 3.444 | 0.039721 | 0.039548 | -41.387 | 44.832 | |||
| UVIS-CENTER | 2 | 2097.0 | 2046.0 | 0.267 | -3.843 | 0.039750 | 0.039591 | -41.470 | 44.760 | |||
| UVIS1 | 1 | 2073.0 | 1026.0 | 30.491 | 25.158 | 0.039637 | 0.039365 | -41.262 | 44.831 | |||
| UVIS1-FIX | 1 | 2073.0 | 1026.0 | 30.491 | 25.158 | 0.039637 | 0.039365 | -41.262 | 44.831 | |||
| UVIS2 | 2 | 2073.0 | 1026.0 | -27.624 | -33.320 | 0.039858 | 0.039837 | -41.634 | 44.767 | |||
| UVIS2-FIX | 2 | 2073.0 | 1026.0 | -27.624 | -33.320 | 0.039858 | 0.039837 | -41.634 | 44.767 | |||
| UVIS-QUAD | FQ*, A | 1 | 796.0 | 1306.0 | 71.460 | -4.941 | 0.039319 | 0.039169 | -41.210 | 44.617 | ||
| UVIS-QUAD | FQ*, B | 1 | 3330.0 | 1226.0 | 3.100 | 68.323 | 0.039902 | 0.039449 | -41.229 | 45.040 | ||
| UVIS-QUAD | FQ*, C | 2 | 787.0 | 816.0 | 0.450 | -77.436 | 0.039590 | 0.039754 | -41.661 | 44.550 | ||
| UVIS-QUAD | FQ*, D | 2 | 3294.0 | 766.0 | -67.423 | -4.175 | 0.040171 | 0.040029 | -41.681 | 44.977 | ||
| UVIS-QUAD-FIX | FQ*, A | 1 | 1049.0 | 1026.0 | 57.181 | -5.265 | 0.039407 | 0.039259 | -41.257 | 44.659 | ||
| UVIS-QUAD-FIX | FQ*, B | 1 | 3097.0 | 1026.0 | 3.645 | 55.757 | 0.039870 | 0.039471 | -41.261 | 45.002 | ||
| UVIS-QUAD-FIX | FQ*, C | 2 | 1049.0 | 1026.0 | -0.589 | -63.736 | 0.039625 | 0.039730 | -41.628 | 44.593 | ||
| UVIS-QUAD-FIX | FQ*, D | 2 | 3097.0 | 1026.0 | -54.821 | -2.725 | 0.040095 | 0.039945 | -41.638 | 44.941 | ||
| UVIS | G280 | 1 | 2073.0 | 250.0 | 8.905 | 3.444 | 0.039721 | 0.039548 | -41.387 | 44.832 | ||
| G280-REF | Fnnnn | 1 | 2073.0 | 250.0 | 8.905 | 3.444 | 0.039721 | 0.039548 | -41.387 | 44.832 | ||
| UVIS1-2K4-SUB | 1 | 2073.0 | 1025.0 | 30.464 | 25.130 | 0.039590 | 0.039754 | -41.661 | 44.550 | |||
| UVIS2-2K4-SUB | 2 | 2073.0 | 1026.0 | -27.624 | -33.320 | 0.040171 | 0.040029 | -41.681 | 44.977 | |||
| UVIS1-M512-SUB | 1 | 2073.0 | 256.0 | 9.072 | 3.612 | 0.039407 | 0.039259 | -41.257 | 44.659 | |||
| UVIS2-M512-SUB | 2 | 2073.0 | 1795.0 | -6.103 | -11.619 | 0.039870 | 0.039471 | -41.261 | 45.002 | |||
| UVIS2-M512C-SUB | 2 | 1817.0 | 1794.0 | 0.612 | -19.266 | 0.039714 | 0.039623 | -41.509 | 44.714 | |||
| UVIS1-C512A-SUB | 1 | 282.0 | 1794.0 | 98.123 | -6.535 | 0.039151 | 0.039008 | -41.125 | 44.532 | |||
| UVIS1-C512B-SUB | 1 | 3865.0 | 1794.0 | 4.884 | 100.210 | 0.039970 | 0.039375 | -41.136 | 45.121 | |||
| UVIS2-C512C-SUB | 2 | 282.0 | 257.0 | -1.852 | -108.218 | 0.039540 | 0.039837 | -41.750 | 44.460 | |||
| UIVS2-C512D-SUB | 2 | 3865.0 | 257.0 | -97.172 | -1.448 | 0.040363 | 0.040215 | -41.764 | 45.073 | |||
| UVIS-QUAD-SUB | FQ*, A | 1 | 1049.0 | 1025.0 | 57.153 | -5.293 | 0.039407 | 0.039259 | -41.257 | 44.659 | ||
| UVIS-QUAD-SUB | FQ*, B | 1 | 3097.0 | 1025.0 | 3.617 | 55.729 | 0.039870 | 0.039471 | -41.262 | 45.002 | ||
| UVIS-QUAD-SUB | FQ*, C | 2 | 1049.0 | 1026.0 | -0.589 | -63.736 | 0.039625 | 0.039730 | -41.628 | 44.593 | ||
| UVIS-QUAD-SUB | FQ*, D | 2 | 3097.0 | 1026.0 | -54.821 | -2.725 | 0.040095 | 0.039945 | -41.638 | 44.941 | ||
| UVIS2-M1K1C-SUB | 2 | 1561.0 | 1539.0 | 0.241 | -34.060 | 0.039684 | 0.039659 | -41.549 | 44.674 | |||
| UVIS2-C1K1C-SUB | 2 | 537.0 | 512.0 | -1.450 | -93.447 | 0.039568 | 0.039802 | -41.709 | 44.507 | |||
| UVIS1-2K2A-SUB | 1 | 796.0 | 1306.0 | 71.460 | -4.941 | 0.039319 | 0.039169 | -41.210 | 44.617 | |||
| UVIS1-2K2B-SUB | 1 | 3330.0 | 1226.0 | 3.100 | 68.323 | 0.039902 | 0.039449 | -41.229 | 45.040 | |||
| UIVS2-2K2C-SUB | 2 | 787.0 | 816.0 | 0.450 | -77.436 | 0.039590 | 0.039754 | -41.661 | 44.550 | |||
| UVIS2-2K2D-SUB | 2 | 3294.0 | 766.0 | -67.423 | -4.175 | 0.040171 | 0.040029 | -41.681 | 44.977 | |||
| UVIS-IR-FIX | 1 | 2139.7 | 35.8 | 1.174 | -0.579 | 0.039760 | 0.039607 | -41.421 | 44.844 | |||
| IR Channel | ||||||||||||
| IR | 1 | 562.0 | 562.0 | 0.625 | 8.511 | 0.135601 | 0.121307 | -45.123 | 44.589 | |||
| IR-FIX | 1 | 512.0 | 512.0 | 1.174 | -0.579 | 0.135437 | 0.120944 | -45.159 | 44.668 | |||
| IR | G141 | 1 | 497.0 | 562.0 | 6.874 | 2.294 | 0.135603 | 0.121308 | -45.170 | 44.691 | ||
| IR | G102 | 1 | 497.0 | 562.0 | 6.874 | 2.294 | 0.135603 | 0.121308 | -45.170 | 44.691 | ||
| G102-REF | Fnnnn | 1 | 497.0 | 562.0 | 6.874 | 2.294 | 0.135603 | 0.121308 | -45.170 | 44.691 | ||
| G141-REF | Fnnnn | 1 | 497.0 | 562.0 | 6.874 | 2.294 | 0.135603 | 0.121308 | -45.170 | 44.691 | ||
| IRSUB64 | 1 | 522.0 | 522.0 | 1.064 | 1.237 | 0.135470 | 0.121017 | -45.151 | 44.652 | |||
| IRSUB128 | 1 | 522.0 | 522.0 | 1.064 | 1.237 | 0.135470 | 0.121017 | -45.151 | 44.652 | |||
| IRSUB256 | 1 | 522.0 | 522.0 | 1.064 | 1.237 | 0.135470 | 0.121017 | -45.151 | 44.652 | |||
| IRSUB512 | 1 | 522.0 | 522.0 | 1.064 | 1.237 | 0.135470 | 0.121017 | -45.151 | 44.652 | |||
| IRSUB64-FIX | 1 | 512.0 | 512.0 | 1.174 | -0.579 | 0.135437 | 0.120944 | -45.159 | 44.668 | |||
| IRSUB128-FIX | 1 | 512.0 | 512.0 | 1.174 | -0.579 | 0.135437 | 0.120944 | -45.159 | 44.668 | |||
| IRSUB256-FIX | 1 | 512.0 | 512.0 | 1.174 | -0.579 | 0.135437 | 0.120944 | -45.159 | 44.668 | |||
| IRSUB512-FIX | 1 | 512.0 | 512.0 | 1.174 | -0.579 | 0.135437 | 0.120944 | -45.159 | 44.668 | |||
| IR-UVIS-CENTER | 1 | 499.8 | 487.6 | 0.267 | -3.843 | 0.135356 | 0.120766 | -45.167 | 44.687 | |||
| IR-UVIS | 1 | 492.3 | 580.5 | 8.905 | 3.444 | 0.135665 | 0.121443 | -45.173 | 44.698 | |||
| IR-UVIS-FIX | 1 | 492.3 | 580.5 | 8.905 | 3.444 | 0.135665 | 0.121443 | -45.173 | 44.698 | |||
| GRISM1024 | G102, G141 | 1 | 497.0 | 562.0 | 6.874 | 2.294 | 0.135603 | 0.121308 | -45.170 | 44.691 | ||
| GRISM1024 | Fnnnn | 1 | 497.0 | 562.0 | 6.874 | 2.294 | 0.135603 | 0.121308 | -45.170 | 44.691 | ||
| GRISM512 | G102, G141 | 1 | 505.0 | 532.0 | 3.548 | 0.474 | 0.135504 | 0.121090 | -45.164 | 44.678 | ||
| GRISM512 | Fnnnn | 1 | 505.0 | 532.0 | 3.548 | 0.474 | 0.135504 | 0.121090 | -45.164 | 44.678 | ||
| GRISM256 | G102, G141 | 1 | 410.0 | 532.0 | 12.682 | -8.598 | 0.135508 | 0.121091 | -45.232 | 44.828 | ||
| GRISM256 | Fnnnn | 1 | 410.0 | 532.0 | 12.682 | -8.598 | 0.135508 | 0.121091 | -45.232 | 44.828 | ||
| GRISM128 | G102 | 1 | 376.0 | 522.0 | 15.100 | -12.699 | 0.135476 | 0.121019 | -45.256 | 44.881 | ||
| GRISM128 | G141 | 1 | 410.0 | 522.0 | 11.829 | -9.456 | 0.135474 | 0.121019 | -45.232 | 44.828 | ||
| GRISM128 | Fnnnn | 1 | 393.0 | 522.0 | 13.464 | -11.078 | 0.135475 | 0.121019 | -45.244 | 44.854 | ||
| GRISM64 | G102 | 1 | 376.0 | 522.0 | 15.100 | -12.699 | 0.135476 | 0.121019 | -45.256 | 44.881 | ||
| GRISM64 | G141 | 1 | 410.0 | 522.0 | 11.829 | -9.456 | 0.135474 | 0.121019 | -45.232 | 44.828 | ||
| GRISM64 | Fnnnn | 1 | 393.0 | 522.0 | 13.464 | -11.078 | 0.135475 | 0.121019 | -45.244 | 44.854 | ||
| In some cases the same aperture combined with different spectral elements result in different pointing positions as indicated in the second column. | ||||||||||||
| WFC3 apertures and spectral elements are documented in Chapter 14 of the Phase 2 Proposal Instructions: | ||||||||||||
| UVIS apertures in Table 14.3, UVIS spectral elements in Table 14.6, IR apertures in Table 14.4, and IR spectral elements in Table 14.7. | ||||||||||||
