WFC3 Apertures
Updated June 21, 2012
Aperture Notes Chip Reference Pixel Field Position Pixel scales Angle from V3 axis
Name arc-sec arc-sec/pixel degrees
X Y V2 V3 X scale Y scale X axis Y axis
UVIS Channel
UVIS 1 2073.0 250.0 9.0695 3.5030 0.039721 0.039548 -41.3870 44.8315
UVIS-FIX 1 2073.0 250.0 9.0695 3.5030 0.039721 0.039548 -41.3870 44.8315
UVIS-CENTER 2 2097.0 2046.0 0.4314 -3.7840 0.039750 0.039591 -41.4701 44.7597
UVIS1 1 2073.0 1026.0 30.6556 25.2168 0.039637 0.039365 -41.2625 44.8312
UVIS1-FIX 1 2073.0 1026.0 30.6556 25.2168 0.039637 0.039365 -41.2625 44.8312
UVIS2 2 2073.0 1026.0 -27.4596 -33.2604 0.039858 0.039837 -41.6335 44.7671
UVIS2-FIX 2 2073.0 1026.0 -27.4596 -33.2604 0.039858 0.039837 -41.6335 44.7671
UVIS-QUAD FQ*A 1 796.0 1306.0 71.6242 -4.8821 0.039319 0.039169 -41.2098 44.6168
UVIS-QUAD FQ*B 1 3330.0 1226.0 3.2647 68.3821 0.039902 0.039449 -41.2288 45.0399
UVIS-QUAD FQ*C 2 787.0 816.0 0.6139 -77.3774 0.039590 0.039754 -41.6608 44.5501
UVIS-QUAD FQ*D 2 3294.0 766.0 -67.2583 -4.1160 0.040171 0.040029 -41.6808 44.9766
UVIS-QUAD-FIX FQ*A 1 1049.0 1026.0 57.3453 -5.2057 0.039407 0.039259 -41.2573 44.6586
UVIS-QUAD-FIX FQ*B 1 3097.0 1026.0 3.8091 55.8160 0.039870 0.039471 -41.2614 45.0020
UVIS-QUAD-FIX FQ*C 2 1049.0 1026.0 -0.4247 -63.6774 0.039625 0.039730 -41.6283 44.5934
UVIS-QUAD-FIX FQ*D 2 3097.0 1026.0 -54.6568 -2.6660 0.040095 0.039945 -41.6380 44.9412
UVIS PRISM 1 2073.0 250.0 9.0695 3.5030 0.039721 0.039548 -41.3870 44.8315
G280-REF 1 2073.0 250.0 9.0695 3.5030 0.039721 0.039548 -41.3870 44.8315
UVIS1-2K4-SUB 1 2073.0 1025.0 30.6279 25.1889 0.039590 0.039754 -41.6608 44.5501
UVIS2-2K4-SUB 2 2073.0 1026.0 -27.4596 -33.2604 0.040171 0.040029 -41.6808 44.9766
UVIS1-M512-SUB 1 2073.0 256.0 9.2368 3.6713 0.039407 0.039259 -41.2573 44.6586
UVIS2-M512-SUB 2 2073.0 1795.0 -5.9386 -11.5602 0.039870 0.039471 -41.2614 45.0020
UVIS2-M512C-SUB 2 1817.0 1794.0 0.7765 -19.2073 0.039714 0.039623 -41.5094 44.7144
UVIS1-C512A-SUB 1 282.0 1794.0 98.2869 -6.4756 0.039151 0.039008 -41.1251 44.5324
UVIS1-C512B-SUB 1 3865.0 1794.0 5.0480 100.2689 0.039970 0.039375 -41.1362 45.1215
UVIS2-C512C-SUB 2 282.0 257.0 -1.6872 -108.1591 0.039540 0.039837 -41.7502 44.4602
UIVS2-C512D-SUB 2 3865.0 257.0 -97.0073 -1.3894 0.040363 0.040215 -41.7644 45.0725
UVIS-QUAD-SUB FQ*A 1 796.0 1306.0 71.6242 -4.8821 0.039319 0.039169 -41.2098 44.6168
UVIS-QUAD-SUB FQ*B 1 3330.0 1226.0 3.2647 68.3821 0.039902 0.039449 -41.2288 45.0399
UVIS-QUAD-SUB FQ*C 2 787.0 816.0 0.6139 -77.3774 0.039590 0.039754 -41.6608 44.5501
UVIS-QUAD-SUB FQ*D 2 3294.0 766.0 -67.2583 -4.1160 0.040171 0.040029 -41.6808 44.9766
UVIS2-M1K1C-SUB 2 1561.0 1539.0 0.4051 -34.0013 0.039684 0.039659 -41.5489 44.6742
UVIS2-C1K1C-SUB 2 537.0 512.0 -1.2858 -93.3875 0.039568 0.039802 -41.7091 44.5071
UVIS1-2K2A-SUB 1 796.0 1306.0 71.6242 -4.8821 0.039319 0.039169 -41.2098 44.6168
UVIS1-2K2B-SUB 1 3330.0 1226.0 3.2647 68.3821 0.039902 0.039449 -41.2288 45.0399
UIVS2-2K2C-SUB 2 787.0 816.0 0.6139 -77.3774 0.039590 0.039754 -41.6608 44.5501
UVIS2-2K2D-SUB 2 3294.0 766.0 -67.2583 -4.1160 0.040171 0.040029 -41.6808 44.9766
UVIS-IR-FIX 1 2139.7 35.8 1.1794 -0.4119 0.039760 0.039607 -41.4213 44.8437
IR Channel
IR 1 562.0 562.0 0.6309 8.6778 0.135601 0.121307 -45.1232 44.5888
IR-FIX 1 512.0 512.0 1.1794 -0.4119 0.135437 0.120944 -45.1585 44.6677
IR G141 1 497.0 562.0 6.8794 2.4612 0.135603 0.121308 -45.1699 44.6907
IR G102 1 497.0 562.0 6.8794 2.4612 0.135603 0.121308 -45.1699 44.6907
G102-REF 1 497.0 562.0 6.8794 2.4612 0.135603 0.121308 -45.1699 44.6907
G141-REF 1 497.0 562.0 6.8794 2.4612 0.135603 0.121308 -45.1699 44.6907
IRSUB64 1 522.0 522.0 1.0694 1.4038 0.135470 0.121017 -45.1515 44.6519
IRSUB128 1 522.0 522.0 1.0694 1.4038 0.135470 0.121017 -45.1515 44.6519
IRSUB256 1 522.0 522.0 1.0694 1.4038 0.135470 0.121017 -45.1515 44.6519
IRSUB512 1 522.0 522.0 1.0694 1.4038 0.135470 0.121017 -45.1515 44.6519
IRSUB64-FIX 1 512.0 512.0 1.1794 -0.4119 0.135437 0.120944 -45.1585 44.6677
IRSUB128-FIX 1 512.0 512.0 1.1794 -0.4119 0.135437 0.120944 -45.1585 44.6677
IRSUB256-FIX 1 512.0 512.0 1.1794 -0.4119 0.135437 0.120944 -45.1585 44.6677
IRSUB512-FIX 1 512.0 512.0 1.1794 -0.4119 0.135437 0.120944 -45.1585 44.6677
IR-UVIS-CENTER 1 498.4 487.9 0.4314 -3.7840 0.135357 0.120769 -45.1681 44.6893
IR-UVIS 1 490.9 580.8 9.0695 3.5030 0.135666 0.121445 -45.1744 44.7000
IR-UVIS-FIX 1 490.9 580.8 9.0695 3.5030 0.135666 0.121445 -45.1744 44.7000
GRISM1024 G102, G141 1 497.0 562.0 6.8794 2.4612 0.135603 0.121308 -45.1699 44.6907
GRISM1024 1 497.0 562.0 6.8794 2.4612 0.135603 0.121308 -45.1699 44.6907
GRISM512 G102, G141 1 505.0 532.0 3.5535 0.6406 0.135504 0.121090 -45.1638 44.6785
GRISM512 1 505.0 532.0 3.5535 0.6406 0.135504 0.121090 -45.1638 44.6785
GRISM256 G102, G141 1 410.0 532.0 12.6875 -8.4305 0.135508 0.121091 -45.2319 44.8276
GRISM256 1 410.0 532.0 12.6875 -8.4305 0.135508 0.121091 -45.2319 44.8276
GRISM128 G102 1 376.0 522.0 15.1050 -12.5322 0.135476 0.121019 -45.2561 44.8812
GRISM128 G141 1 410.0 522.0 11.8341 -9.2890 0.135474 0.121019 -45.2318 44.8278
GRISM128 1 496.0 502.0 1.8658 -2.7993 0.135404 0.120872 -45.1699 44.6929
GRISM64 G102 1 376.0 522.0 15.1050 -12.5322 0.135476 0.121019 -45.2561 44.8812
GRISM64 G141 1 410.0 522.0 11.8341 -9.2890 0.135474 0.121019 -45.2318 44.8278
GRISM64 1 496.0 502.0 1.8658 -2.7993 0.135404 0.120872 -45.1699 44.6929
In many cases the same aperture combined with different spectral elements results in different pointing positions.
Aperture use is unrestricted except where noted.
